whats going on with core 2 quad and windows?

DirtyBiker · Nov 17, 2024

I've recently reacquired an old Dell OptiPlex 380 SFF that I custom-built years ago for my nephew to play Fortnite. After a clean installation of Windows 10, I encountered issues with launching several applications that previously worked fine, such as Cinebench R15, MSI Kombustor, ASUS ROG Furmark failing to launch, and Fortnite. Despite trying older versions of Kombustor, the problem persists. The machine generally performs well, as it's equipped with a new-old-stock Dell OptiPlex 380 motherboard, a 775 to 771 BIOS mod, and a Xeon E5450 processor, along with a custom vertical-mounted GTX 1050 TI. I suspect the issue may be related to the absence of SSE4.2 instructions as Fortnite displays a SSE4.2 error, all these applications functioned correctly before but the machine w dormant for 4 years un plugged. I would appreciate any thoughts or insights on getting this machine operational. when inspecting the Cinebench crash report it appears to list CPU instructions as supported that are not present on this CPU the Cinebench error is could there be some CFG file that is reporting these instruction sets a present then when the programs try to access them it fails to load?
ExceptionNumber = 0xC000001D
ExceptionText = "ILLEGAL_INSTRUCTION"
Address = 0x00007FFCE39499A3
Thread = 6536
Last_Error = 0x00000006

DirtyDingusMcgee · Nov 17, 2024

Was it running windows 10 before? If so, I doubt that is the issue.

Ruru · Nov 17, 2024

Maybe a stupid question but does task manager show all 4 cores?

Onasi · Nov 17, 2024

Only Win 11 24H2 is bootable only on SSE 4.2 CPUs so far. 10 should not be affected as far as I know.

DirtyDingusMcgee · Nov 17, 2024

Unplug the gpu, and see if you get the same result with the onboard video. that will narrow it down a bit.

BTW, love the avatar. That episode of Beavis and Butthead where Cornholio does open mic poetry is fantastic.

agent_x007 · Nov 17, 2024

If you see SSE4.1 support in CPU-z you are good on that end.
I'm more worried about your RAM being "iffy" and just developed a fault, check with memtest86+.
Another option is caps on MB or PSU being marginal (this is 15 year old hardware after all).
Q : Did you enabled .NET 3.x support from Windows features ?

Zach_01 · Nov 17, 2024

DirtyBiker said:
I encountered issues with launching several applications that previously worked fine, such as Cinebench R15, MSI Kombustor…

….Despite trying older versions of Kombustor, the problem persists.

What kind of issues are those? They don’t start?
Some kind of error message?

Why not more specific about it?

QuietBob · Nov 17, 2024

Honestly, I'm surprised you were able to get Win10 installed.

The Xeon E5450 does not support the CMPXCHG16B instruction, which 64-bit Win10 currently requires. The E5450 is based on Penryn (Core 2) architecture, a direct predecessor to Nehelem (Core Gen1). And Nehelem was the first architecture which included CMPXCHG16B Intel-side.

EDIT:
With more digging, it appears that later revisions of Penryn-based CPUs supported CMPXCHG16B, but some motherboards did not enable it.

DirtyBiker · Nov 17, 2024

agent_x007 said:
If you see SSE4.1 support in CPU-z you are good on that end.
I'm more worried about your RAM being "iffy" and just developed a fault, check with memtest86+.
Another option is caps on MB or PSU being marginal (this is 15 year old hardware after all).
Q : Did you enabled .NET 3.x support from Windows features ?

The capacitors all look good. It was a NOS 380 motherboard when I built it. I installed it in an OptiPlex 755 case with the 755's 280W PSU. Are you referring to .NET Framework 3.5? It was disabled, but I just enabled it and there was no change. I ran Dell's built-in hardware test and no issues were found. I will try swapping in different RAM sticks one at a time, but in AIDA64, the performance benchmarks are on par with the QX9650.

QuietBob said:
Honestly, I'm surprised you were able to get Win10 installed.

The Xeon E5450 does not support the CMPXCHG16B instruction, which 64-bit Win10 currently requires. The E5450 is based on Penryn (Core 2) architecture, a direct predecessor to Nehelem (Core Gen1). And Nehelem was the first architecture which included CMPXCHG16B Intel-side.

installed windows 11 23H2 via rufus as well as windows 10 using media creation tool it all worked excellent for years as my nephew played Fortnite with this machine all be it in performance mode locked @

Assimilator said:
I don't understand people who ask for help while supplying none of the information actually required to help them. I'm convinced it's a mental illness.

75FPS to his monitors @75Hz display

Assimilator said:
I don't understand people who ask for help while supplying none of the information actually required to help them. I'm convinced it's a mental illness.

CINEMA_4D_Crash_Report_WINDOWS
{
ComputerInfo
{
OS_Type = WINDOWS 64 BIT
OS_Version = Windows 8, 64 Bit, Core (build 9200)
Number_of_processors = 4
Processor_Type = GenuineIntel, stepping 10, model 7, instruction family 6
Processor_Name = Intel(R) Xeon(R) CPU E5450 @ 3.00GHz
Processor_Speed = 0 MHz
Processor_Features = FPU, MMX, SSE, RDTSC, CMPXCHG8B, CMOV, VME, DE, PSE, MSR, PAE, MCE, APIC, SEP, MTRR, PGE, MCA, PAT, PSE36, FXSR, SSE2, CLFLUSH, DS, SS, TM, SSE3, SSSE3, SSE4.1, Enhanced SpeedStep, CMPXCHG16B,
Graphics_card = Vendor: , renderer: , version:
}
ApplicationInfo
{
CINEMA_4D_Version: 15.037
CINEMA_4D_BuildID: RC83328demo
Memory(Global): 26542080
Memory(GlobalPeak): 55136256
Memory(Total): 0
Memory(Current): 0
Memory(LowMemCnt): 0
DebugMode: Off
}
Exception
{
ExceptionNumber = 0xC000001D
ExceptionText = "ILLEGAL_INSTRUCTION"
Address = 0x00007FFCE39499A3
Thread = 6536
Last_Error = 0x00000006
}
Call_Stacks
{
Call_Stack_Thread_6536
{
nvoglv64.dll: 00007FFCE39499A3 DrvValidateVersion
nvoglv64.dll: 00007FFCE3946DB9 DrvValidateVersion
nvoglv64.dll: 00007FFCE36CD78C
nvoglv64.dll: 00007FFCE36CAF82
nvoglv64.dll: 00007FFCE39D90F5 DrvPresentBuffers
nvoglv64.dll: 00007FFCE393C1CF DrvValidateVersion
OPENGL32.dll: 00007FFCFBFD1445 wglSwapMultipleBuffers
OPENGL32.dll: 00007FFCFBFD18A8 wglSwapMultipleBuffers
OPENGL32.dll: 00007FFCFBFD3F5C wglCopyContext
OPENGL32.dll: 00007FFCFBFEF530 wglGetPixelFormat
OPENGL32.dll: 00007FFCFBFF0551 wglDescribePixelFormat
OPENGL32.dll: 00007FFCFBFEF953 wglChoosePixelFormat
gdi32full.dll: 00007FFD2154A089 ChoosePixelFormat
CINEBENCH Windows 64 Bit.exe: 00007FF7F7FAE4D1
CINEBENCH Windows 64 Bit.exe: 00007FF7F7F7D6F4
CINEBENCH Windows 64 Bit.exe: 00007FF7F7F831A8
CINEBENCH Windows 64 Bit.exe: 00007FF7F80B562C
KERNEL32.DLL: 00007FFD23807374 BaseThreadInitThunk
ntdll.dll: 00007FFD239DCC91 RtlUserThreadStart
Variables
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Arg|RenderDocument|Name =
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Arg|CoffeeFile|Name =
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Registers
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DS = 0x002B
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FS = 0x0053
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MMX Legacy[2] = 0x00000000000000000000000000000000
MMX Legacy[3] = 0x00000000000000000000000000000000
MMX Legacy[4] = 0x00000000000000000000000000000000
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Vector register 0 = 0x00007FFD239C057100007FFD23895023
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Vector register 3 = 0x000000B56AB8AB880057005C00000002
Vector register 4 = 0x000001DAB08432D00000000000730000
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Vector register 8 = 0x00000000000000000000000000000000
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Vector register 10 = 0x0000000000000000000001DAB0842E50
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Vector register 13 = 0x000000000000003E00000000000F0010
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Vector register 15 = 0x00000000000000000000000000000000
Vector register 16 = 0x000001DAB0811F800000F8E000000000
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Vector register 18 = 0x00007FFD239C34F1000001DAB08102D4
Vector register 19 = 0x000001DAB0810CC000000000000000D0
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Vector register 22 = 0x000000000000002000000000000000C0
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Vector register 24 = 0x00007FFD239BB3C7000000000000000D
Vector register 25 = 0x00007FFD00000000000001DAB0810000
Vector Control = 0x00000000000000C0
Debug Control = 0x0000000000100000
Last Branch to RIP = 0x0000000000000000
Last Branch from RIP = 0x0000000000000000
Last Exception to RIP = 0x0000000000000000
Last Exception from RIP = 0x0000000000000000
}
}
Call_Stack_Thread_12984
{
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ntdll.dll: 00007FFD239DD407 TpReleaseCleanupGroupMembers
KERNEL32.DLL: 00007FFD23807374 BaseThreadInitThunk
ntdll.dll: 00007FFD239DCC91 RtlUserThreadStart
Variables
{
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DS = 0x0000
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FS = 0x0000
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Dr0 = 0x0000000000000000
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MMX Header[0] = 0x0000000000000000000000000000027F
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MMX Legacy[0] = 0x00000000000000000000000000000000
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MMX Legacy[2] = 0x00000000000000000000000000000000
MMX Legacy[3] = 0x00000000000000000000000000000000
MMX Legacy[4] = 0x00000000000000000000000000000000
MMX Legacy[5] = 0x00000000000000000000000000000000
MMX Legacy[6] = 0x00000000000000000000000000000000
MMX Legacy[7] = 0x00000000000000000000000000000000
MMX 0 = 0x0064002E00740072006300760073006D
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Vector register 0 = 0x00000000000000000000000000000000
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Vector register 11 = 0x00000000000000000000000000000000
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Vector register 20 = 0x00000000000000000000000000000000
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Vector register 22 = 0x00000000000000000000000000000000
Vector register 23 = 0x00000000000000000000000000000000
Vector register 24 = 0x00000000000000000000000000000000
Vector register 25 = 0x00000000000000000000000000000000
Vector Control = 0x0000000000000000
Debug Control = 0x0000000000000000
Last Branch to RIP = 0x0000000000000000
Last Branch from RIP = 0x0000000000000000
Last Exception to RIP = 0x0000000000000000
Last Exception from RIP = 0x0000000000000000
}
}
Call_Stack_Thread_7192
{
ntdll.dll: 00007FFD23A30F84 ZwWaitForWorkViaWorkerFactory
ntdll.dll: 00007FFD239DD407 TpReleaseCleanupGroupMembers
KERNEL32.DLL: 00007FFD23807374 BaseThreadInitThunk
ntdll.dll: 00007FFD239DCC91 RtlUserThreadStart
Variables
{
ThreadName =
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Arg|GeSaveBitmap|Name =
Arg|LoadDocument|Name =
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Arg|RenderDocument|Name =
Arg|RenderDocument|Flags = 0
Arg|CoffeeFile|Name =
Arg|CoffeeLine|Line = 0
}
Registers
{
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RBX = 0x0000000000000000
RCX = 0x0000000000000074
RDX = 0x000001DAB0846C20
RSI = 0x0000000000000000
RDI = 0x0000000000000000
RBP = 0x0000000000000000
RSP = 0x000000B56AFFFB20
R08 = 0x00000000000000B8
R09 = 0x00000000000000B8
R10 = 0x000000000000007E
R11 = 0x00000000000000F3
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R15 = 0x0000000000000000
RIP = 0x00007FFD239DCC91
EFlags = 0x00000246
CS = 0x0033
SS = 0x002B
DS = 0x0000
ES = 0x0000
FS = 0x0000
GS = 0x0000
ContextFlags = 0x0010000b
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Dr0 = 0x0000000000000000
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Dr6 = 0x0000000000000000
Dr7 = 0x0000000000000000
MMX Header[0] = 0x0000000000000000000000000000027F
MMX Header[1] = 0x0000FFFF00001F800000000000000000
MMX Legacy[0] = 0x00000000000000000000000000000000
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MMX Legacy[2] = 0x00000000000000000000000000000000
MMX Legacy[3] = 0x00000000000000000000000000000000
MMX Legacy[4] = 0x00000000000000000000000000000000
MMX Legacy[5] = 0x00000000000000000000000000000000
MMX Legacy[6] = 0x00000000000000000000000000000000
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MMX 0 = 0x00000000000000000000000000000000
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Vector register 0 = 0x00000000000000000000000000000000
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Vector register 14 = 0x00000000000000000000000000000000
Vector register 15 = 0x00000000000000000000000000000000
Vector register 16 = 0x00000000000000000000000000000000
Vector register 17 = 0x00000000000000000000000000000000
Vector register 18 = 0x00000000000000000000000000000000
Vector register 19 = 0x00000000000000000000000000000000
Vector register 20 = 0x00000000000000000000000000000000
Vector register 21 = 0x00000000000000000000000000000000
Vector register 22 = 0x00000000000000000000000000000000
Vector register 23 = 0x00000000000000000000000000000000
Vector register 24 = 0x00000000000000000000000000000000
Vector register 25 = 0x00000000000000000000000000000000
Vector Control = 0x0000000000000000
Debug Control = 0x0000000000000000
Last Branch to RIP = 0x0000000000000000
Last Branch from RIP = 0x0000000000000000
Last Exception to RIP = 0x0000000000000000
Last Exception from RIP = 0x0000000000000000
}
}
Call_Stack_Thread_5876
{
ntdll.dll: 00007FFD23A30F84 ZwWaitForWorkViaWorkerFactory
ntdll.dll: 00007FFD239DD407 TpReleaseCleanupGroupMembers
KERNEL32.DLL: 00007FFD23807374 BaseThreadInitThunk
ntdll.dll: 00007FFD239DCC91 RtlUserThreadStart
Variables
{
ThreadName =
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Arg|GeSaveBitmap|Name =
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Arg|RenderDocument|Name =
Arg|RenderDocument|Flags = 0
Arg|CoffeeFile|Name =
Arg|CoffeeLine|Line = 0
}
Registers
{
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RBX = 0x0000000000000000
RCX = 0x0000000000000074
RDX = 0x000001DAB084B4A0
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RSP = 0x000000B56B0FF830
R08 = 0x0000000000000892
R09 = 0x0000000000000892
R10 = 0x0000000000000771
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R15 = 0x0000000000000000
RIP = 0x00007FFD239DCC91
EFlags = 0x00000246
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DS = 0x0000
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Dr0 = 0x0000000000000000
Dr1 = 0x0000000000000000
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MMX Legacy[2] = 0x00000000000000000000000000000000
MMX Legacy[3] = 0x00000000000000000000000000000000
MMX Legacy[4] = 0x00000000000000000000000000000000
MMX Legacy[5] = 0x00000000000000000000000000000000
MMX Legacy[6] = 0x00000000000000000000000000000000
MMX Legacy[7] = 0x00000000000000000000000000000000
MMX 0 = 0x00000000000000000000000000000000
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Vector register 25 = 0x00000000000000000000000000000000
Vector Control = 0x0000000000000000
Debug Control = 0x0000000000000000
Last Branch to RIP = 0x0000000000000000
Last Branch from RIP = 0x0000000000000000
Last Exception to RIP = 0x0000000000000000
Last Exception from RIP = 0x0000000000000000
}
}
Call_Stack_Thread_9372
{
ntdll.dll: 00007FFD23A30F84 ZwWaitForWorkViaWorkerFactory
ntdll.dll: 00007FFD239DD407 TpReleaseCleanupGroupMembers
KERNEL32.DLL: 00007FFD23807374 BaseThreadInitThunk
ntdll.dll: 00007FFD239DCC91 RtlUserThreadStart
Variables
{
ThreadName =
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Arg|GeSaveBitmap|Name =
Arg|LoadDocument|Name =
Arg|LoadDocument|Flags = 0
Arg|RenderDocument|Name =
Arg|RenderDocument|Flags = 0
Arg|CoffeeFile|Name =
Arg|CoffeeLine|Line = 0
}
Registers
{
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RBX = 0x0000000000000000
RCX = 0x0000000000000248
RDX = 0x000001DAB086F1A0
RSI = 0x0000000000000000
RDI = 0x0000000000000000
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RSP = 0x000000B56B1FFD80
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R11 = 0x0000000000000000
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R14 = 0x0000000000000000
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RIP = 0x00007FFD239DCC91
EFlags = 0x00000246
CS = 0x0033
SS = 0x002B
DS = 0x0000
ES = 0x0000
FS = 0x0000
GS = 0x0000
ContextFlags = 0x0010000b
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Dr0 = 0x0000000000000000
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Dr6 = 0x0000000000000000
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MMX Legacy[2] = 0x00000000000000000000000000000000
MMX Legacy[3] = 0x00000000000000000000000000000000
MMX Legacy[4] = 0x00000000000000000000000000000000
MMX Legacy[5] = 0x00000000000000000000000000000000
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MMX 0 = 0x00000000000000000000000000000000
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Vector register 0 = 0x00000000000000000000000000000000
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Vector register 16 = 0x00000000000000000000000000000000
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Vector register 24 = 0x00000000000000000000000000000000
Vector register 25 = 0x00000000000000000000000000000000
Vector Control = 0x0000000000000000
Debug Control = 0x0000000000000000
Last Branch to RIP = 0x0000000000000000
Last Branch from RIP = 0x0000000000000000
Last Exception to RIP = 0x0000000000000000
Last Exception from RIP = 0x0000000000000000
}
}
}
Loaded_Modules
{
ModuleName = CINEBENCH Windows 64 Bit.exe
{
Executable = C:\Users\PC\Downloads\CINEBENCH_R15_Guru3D\CINEBENCH Windows 64 Bit.exe
Process_ID = 0x000002E8
BaseAddress = 0x00007FF7F6F70000
BaseSize = 41676800
Build = RC83328demo

}
ModuleName = ntdll.dll
{
Executable = C:\Windows\SYSTEM32\ntdll.dll
Process_ID = 0x000002E8
BaseAddress = 0x00007FFD23990000
BaseSize = 2064384
}
ModuleName = KERNEL32.DLL
{
Executable = C:\Windows\System32\KERNEL32.DLL
Process_ID = 0x000002E8
BaseAddress = 0x00007FFD237F0000
BaseSize = 794624
}
ModuleName = KERNELBASE.dll
{
Executable = C:\Windows\System32\KERNELBASE.dll
Process_ID = 0x000002E8
BaseAddress = 0x00007FFD21600000
BaseSize = 3137536
}
ModuleName = RPCRT4.dll
{
Executable = C:\Windows\System32\RPCRT4.dll
Process_ID = 0x000002E8
BaseAddress = 0x00007FFD22C00000
BaseSize = 1191936
}
ModuleName = WS2_32.dll
{
Executable = C:\Windows\System32\WS2_32.dll
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BaseAddress = 0x00007FFD21C90000
BaseSize = 438272
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Princess Garnet · Nov 17, 2024

What, exactly, are the issues you encountered? You're a bit vague on this. Are they performing worse? Are they not starting at all? Error messages? If they worked fine before and a fresh Windows installation is what changed that, then I wonder if maybe there's some dependency software they need that isn't present? So maybe you just need to reinstall something.

Otherwise, maybe age is catching up to it. I have an OptiPlex 380 and it's definitely an older and very, very slow PC these days. Have you considered that maybe your time apart from it, on what I presume it's newer and faster hardware, has led you to misjudge its performance? I find that sometimes that explains this because we get accustomed to faster hardware and overestimate how slow the slower hardware now is, and software also gets more demanding in the meantime too (for example, isn't Fortnite an Unreal Engine game that has been seeing game/engine updates and becoming much more demanding over the years?).

It could also be something aging and breaking down as others have mentioned? My OptiPlex 380 is the desktop form factor (the larger variant of the SFF you have), but I dealt with that SFF size with another OptiPlex of a different model though (same Core 2 era), and that thing seemed to warm up the outer case to a concerning degree above the PSU just running League of Legends or Minecraft. I also noticed that when I swapped the E8600 out for the Q9550, that sometimes the intake fan would ramp up to maximum speed even when the CPU temperature was low. My guess was that despite the PC supporting those higher wattage quad cores, the VRMs may get hot doing so at times? I can only imagine this being worse on a much smaller form factor. Basically, with a quad core CPU and a more of a GPU than that PC was probably ever meant to handle, maybe a combination of age and wear and tear, plus increasing software demands, has caught up with something?

ShrimpBrime · Nov 17, 2024

DirtyBiker said:
I've recently reacquired an old Dell OptiPlex 380 SFF that I custom-built years ago for my nephew to play Fortnite. After a clean installation of Windows 10, I encountered issues with launching several applications that previously worked fine, such as Cinebench R15, MSI Kombustor, ASUS ROG Furmark, and Fortnite. Despite trying older versions of Kombustor, the problem persists. The machine generally performs well, as it's equipped with a new-old-stock Dell OptiPlex 380 motherboard, a 775 to 771 BIOS mod, and a Xeon E5450 processor, along with a custom vertical-mounted GTX 1050 TI. I suspect the issue may be related to the absence of SSE4.2 instructions, although these applications functioned correctly before. I would appreciate any thoughts or insights on getting this machine operational.

Isn't there also a pin mod that needs to accompany the bios mod? I vaguely remember something about covering a couple pins or something.....

Bones · Nov 17, 2024

DirtyBiker said:
I've recently reacquired an old Dell OptiPlex 380 SFF that I custom-built years ago for my nephew to play Fortnite. After a clean installation of Windows 10, I encountered issues with launching several applications that previously worked fine, such as Cinebench R15, MSI Kombustor, ASUS ROG Furmark, and Fortnite. Despite trying older versions of Kombustor, the problem persists. The machine generally performs well, as it's equipped with a new-old-stock Dell OptiPlex 380 motherboard, a 775 to 771 BIOS mod, and a Xeon E5450 processor, along with a custom vertical-mounted GTX 1050 TI. I suspect the issue may be related to the absence of SSE4.2 instructions, although these applications functioned correctly before. I would appreciate any thoughts or insights on getting this machine operational.

First off, Win 10 wasn't really meant for a machine of that vintage because it's for newer, more modern machines.
Win 10 itself might run "OK" with it but as you've mentioned yourself, there are things about Win 10 that makes this particular OS/hardware combo not a smart thing to do.

OS requirements for Win 10 just to run "Correctly" are different/greater than an OS from the time when the machine was built.
The amount of RAM required is one example:
What is the recommended system requirement for windows 10? - Microsoft Community

Note the overall recommended requirements are simple, basic requirements for it to run correctly period, meaning for basic functionality and nothing more... Like a simple office machine.
Compare these to what you have in the machine and go from there.

Referring to RAM:
If your machine can't either run or support more than 4GB's you already have a potential problem in play.

Instruction sets are another thing and I seriously doubt your machine can run some of these, either correctly or at all.
Just because things like Cinebench R15, MSI Kombustor, ASUS ROG Furmark, and Fortnite all ran fine before on an older OS version/copy, there is no guarantee they would with a newer OS version/copy.

Although Win 10 CAN run on older hardware (Yes - I've done it myself) it also shows the limitations of such hardware too.

You also haven't said what OS version of Windows it was running fine on before, which if was an older one like Win 7 that's just natural and it's even expected, given what you have.

So.....
How about more details about what was done before with it so we can understand better/more of what you are really getting at here?
That would help.

DirtyBiker · Nov 17, 2024

Zach_01 said:
What kind of issues are those? They don’t start?
Some kind of error message?

Why not more specific about it?

I've posted the Cinebench crash report. There was no message when launching Kombustor or Furmark ROG, but Fortnite displayed an SSE4.2 error.

Zach_01 said:
What kind of issues are those? They don’t start?
Some kind of error message?

Why not more specific a

Princess Garnet said:

What, exactly, are the issues you encountered? You're a bit vague on this. Are they performing worse? Are they not starting at all? Error messages? If they worked fine before and a fresh Windows installation is what changed that, then I wonder if maybe there's some dependency software they need that isn't present? So maybe you just need to reinstall something.

Otherwise, maybe age is catching up to it. I have an OptiPlex 380 and it's definitely an older and very, very slow PC these days. Have you considered that maybe your time apart from it, on what I presume it's newer and faster hardware, has led you to misjudge its performance? I find that sometimes that explains this because we get accustomed to faster hardware and overestimate how slow the slower hardware now is, and software also gets more demanding in the meantime too (for example, isn't Fortnite an Unreal Engine game that has been seeing game/engine updates and becoming much more demanding over the years?).

It could also be something aging and breaking down as others have mentioned? My OptiPlex 380 is the desktop form factor (the larger variant of the SFF you have), but I dealt with that SFF size with another OptiPlex of a different model though (same Core 2 era), and that thing seemed to warm up the outer case to a concerning degree above the PSU just running League of Legends or Minecraft. I also noticed that when I swapped the E8600 out for the Q9550, that sometimes the intake fan would ramp up to maximum speed even when the CPU temperature was low. My guess was that despite the PC supporting those higher wattage quad cores, the VRMs may get hot doing so at times? I can only imagine this being worse on a much smaller form factor. Basically, with a quad core CPU and a more of a GPU than that PC was probably ever meant to handle, maybe a combination of age and wear and tear, plus increasing software demands, has caught up with something?

Click to expand...

I posted the Cinebench R15 crash report in replies the E5450 is a lower wattage version of the C2Q CPU's the power supply tested fine no heating issues as I set it up with an additional cooling fan at the rear as well as reversed the air flow to exhaust out the front temps have always been verry good at or under 60c under load on the cores GPU idling in the low 30's as I have not been able to stress test it due to these applications failing to load even the SSD temp is in the 30's and its mounted under the DVD drive

DirtyDingusMcgee said:
Was it running windows 10 before? If so, I doubt that is the issue.

Yes, it had Windows 10, but he hadn't used the computer for over two years while he was in college. He only recently got internet in his new apartment but hadn't set it up yet. I repurposed the SSD for the new computer I built for him, but I didn't test it beforehand; instead, I performed a clean installation of Windows on a different SSD on the OptiPlex.

Ruru said:
Maybe a stupid question but does task manager show all 4 cores?

Yes, all four are operating at 3.0 GHz.

Bones said:
First off, Win 10 wasn't really meant for a machine of that vintage because it's for newer, more modern machines.
Win 10 itself might run "OK" with it but as you've mentioned yourself, there are things about Win 10 that makes this particular OS/hardware combo not a smart thing to do.

OS requirements for Win 10 just to run "Correctly" are different/greater than an OS from the time when the machine was built.
The amount of RAM required is one example:
What is the recommended system requirement for windows 10? - Microsoft Community

Note the overall recommended requirements are simple, basic requirements for it to run correctly period, meaning for basic functionality and nothing more... Like a simple office machine.
Compare these to what you have in the machine and go from there.

Referring to RAM:
If your machine can't either run or support more than 4GB's you already have a potential problem in play.

Instruction sets are another thing and I seriously doubt your machine can run some of these, either correctly or at all.
Just because things like Cinebench R15, MSI Kombustor, ASUS ROG Furmark, and Fortnite all ran fine before on an older OS version/copy, there is no guarantee they would with a newer OS version/copy.

Although Win 10 CAN run on older hardware (Yes - I've done it myself) it also shows the limitations of such hardware too.

You also haven't said what OS version of Windows it was running fine on before, which if was an older one like Win 7 that's just natural and it's even expected, given what you have.

So.....
How about more details about what was done before with it so we can understand better/more of what you are really getting at here?
That would help.

I've posted the Cinebench crash report in the comments. Fortnite displays the SSE4.2 error, and other applications fail to launch. However, I managed to load Kombuster before installing the GPU driver, but when I ran the test, it simply exited the program.

marioman23 · Nov 17, 2024

QuietBob said:
Honestly, I'm surprised you were able to get Win10 installed.

The Xeon E5450 does not support the CMPXCHG16B instruction, which 64-bit Win10 currently requires. The E5450 is based on Penryn (Core 2) architecture, a direct predecessor to Nehelem (Core Gen1). And Nehelem was the first architecture which included CMPXCHG16B Intel-side.

Not sure where you got that; it's been supported since Prescott. Intel didn't have the full x86-64 v2 set until Nahelem (lacked LAHF-SAHF I believe, and POPCNT). But Penryn has it no doubt, I've been running 10 on these for years, a DC5800 with an X3360, a Vostro 420 with a Q9650, even my T400 with a P9700. Plus a collection of many other Core 2 and K10 CPU's all that will run 10.

Pasi123 · Nov 17, 2024

QuietBob said:
Honestly, I'm surprised you were able to get Win10 installed.

The Xeon E5450 does not support the CMPXCHG16B instruction, which 64-bit Win10 currently requires. The E5450 is based on Penryn (Core 2) architecture, a direct predecessor to Nehelem (Core Gen1). And Nehelem was the first architecture which included CMPXCHG16B Intel-side.

All Core2 CPUs should support CMPXCHG16B, even some later Pentium 4's have it. That was mainly a problem on AMD S939 and earlier Pentium 4's.

Here's my C2Q Q9550 for proof. I don't have any of the problems OP has with programs not working, or at least ones that don't need SSE4.2, AVX, AVX2 etc.

DirtyBiker · Nov 17, 2024

agent_x007 said:
If you see SSE4.1 support in CPU-z you are good on that end.
I'm more worried about your RAM being "iffy" and just developed a fault, check with memtest86+.
Another option is caps on MB or PSU being marginal (this is 15 year old hardware after all).
Q : Did you enabled .NET 3.x support from Windows features ?

Yes, SSE4.1 is present. The RAM tested fine using Dell's built-in hardware tester, and the capacitors all look like new. I even opened the PSU to clean and inspect it before powering it on, as it had been sitting for over two years. All voltages and temperatures are within the normal range according to AIDA64. Are you referring to .NET Framework 3.5? It was disabled by default, but I enabled it and installed it successfully; however, there was no change.

ShrimpBrime said:
Isn't there also a pin mod that needs to accompany the bios mod? I vaguely remember something about covering a couple pins or something.....

I bought the CPU with a hard pin mod but yes, the CPU is also notched instead of modifying the CPU socket

DirtyDingusMcgee said:
Unplug the gpu, and see if you get the same result with the onboard video. that will narrow it down a bit.

BTW, love the avatar. That episode of Beavis and Butthead where Cornholio does open mic poetry is fantastic.

MSI Kombustor opened correctly before installing the video driver using Microsoft basic adapter but exited the program when initializing the test, but after installing the Nvidia driver, it ceased to work. I have uploaded the Cinebench crash report in the comments, but I am uncertain of its meaning. Please review it.

Bones · Nov 17, 2024

DirtyBiker said:
I've posted the Cinebench crash report in the comments. Fortnite displays the SSE4.2 error, and other applications fail to launch. However, I managed to load Kombuster before installing the GPU driver, but when I ran the test, it simply exited the program.

And I got a headache looking at all that.

However:
It does seem related to instruction sets as mentioned before, as in all of what's going on.
Perhaps a lack of system resources (RAM) being in play too, affecting things as well since any program/bench you run consumes such itself.

Think about it for a sec:
If the OS is already short on resources just to run properly, what else can be deduced if you then throw another process in the mix too, demanding it's own share of resources to function?

Again, just because it worked with an older version or copy of your OS, there is no guarantee it will with a newer version/copy of the OS.

@Pasi123 The OP is running an older chip than what you have, namely a Xeon E5450 which is definitely older than your C2Q Q9550.
There is a difference between them but yes, just running Win 10 itself isn't the problem, it's how well and if it can support all the required instruction sets needed for what they want to do in the first place.

I do have a Xeon E5420 Harpertown myself modded for 775 and a Q9550 Yorkfield chip too, both are good chips.
Still, if lacking something required then that in itself doesn't matter, if it's needed, it's needed and that's just it - Regardless of what "It" is.

Pasi123 · Nov 17, 2024

Bones said:
@Pasi123 The OP is running an older chip than what you have, namely a Xeon E5450 which is definitely older than your C2Q Q9550.
There is a difference between them but yes, just running Win 10 itself isn't the problem, it's how well and if it can support all the required instruction sets needed for what they want to do in the first place.

I do have a Xeon E5420 Harpertown myself modded for 775 and a Q9550 Yorkfield chip too, both are good chips.
Still, if lacking something required then that in itself doesn't matter, if it's needed, it's needed and that's just it - Regardless of what "It" is.

Q9550 and E5450 are both based on the same exact architecture and use the same dies. The E5450 is also available as the newer E0 like my Q9550, but even if it's the older C0 (which earlier Q9550's were too) it wouldn't make a difference.
I do have dual E5420 and dual 5450 servers but I'm too lazy to fire them up for a screenshot

QuietBob · Nov 17, 2024

Pasi123 said:
All Core2 CPUs should support CMPXCHG16B, even some later Pentium 4's have it. That was mainly a problem on AMD S939 and earlier Pentium 4's.

Here's my C2Q Q9550 for proof. I don't have any of the problems OP has with programs not working, or at least ones that don't need SSE4.2, AVX, AVX2 etc.
View attachment 372098

Thanks for confirming that. I must have confused CMPXCHG16B with POPCNT. It's good to know Core 2 is able to run Win10.

Still, going by this article some motherboards seem not to enable CMPXCHG16B even when the CPU itself supports it.

Bones · Nov 17, 2024

Pasi123 said:
Q9550 and E5450 are both based on the same exact architecture and use the same dies. The E5450 is also available as the newer E0 like my Q9550, but even if it's the older C0 (which earlier Q9550's were too) it wouldn't make a difference.
I do have dual E5420 and dual 5450 servers but I'm too lazy to fire them up for a screenshot

I was thinking strictly 775 stuff when I posted (My fault :oops:

) and know 771 has different names for their chips.
Yes, the same chip between the two inspite of the labeling (771-Harpertown vs 775-Yorkfield) so you have that BUT..... If it's a question of a needed instruction set not being supported, all that doesn't matter in the end.

If it needs it, it needs it.

Flaky · Nov 17, 2024

The crash report points to a DLL which is part of nvidia driver.
It's possible that more recent nvidia drivers assume newer instructions. Try an old one.

theFOoL · Nov 17, 2024

Just to note guys 23H2 WIN11 works like a charm regardless what ASS-M$ says... My 2¢

DirtyBiker · Nov 17, 2024

Zach_01 said:
What kind of issues are those? They don’t start?
Some kind of error message?

Why not more specific about it?

Kombustor and FurMark fail to launch, Cinebench results in a crash report which I have detailed in this thread, and Fortnite displays an SSE4.2 error message.

DirtyDingusMcgee said:
Unplug the gpu, and see if you get the same result with the onboard video. that will narrow it down a bit.

BTW, love the avatar. That episode of Beavis and Butthead where Cornholio does open mic poetry is fantastic.

Yeah, yeah i am the great cornholioI I used that picture after seeing President Biden give a speech and that was the first thing that came to mind LoL, I just unplugged the GPU and installed a different RAM module, and now Cinebench opens. I haven't tried the other programs yet as I uninstalled them. What could be the problem? I'm going to reinstall the old RAM.

Flaky said:
The crash report points to a DLL which is part of nvidia driver.
It's possible that more recent nvidia drivers assume newer instructions. Try an old one.

yeah, if I let windows update install there Nvidia driver it crashes to blue screen, but it doesn't display long enough to see the problem I remember there being a way to lock in BSOD but don't remember how to enable that

Pasi123 said:
All Core2 CPUs should support CMPXCHG16B, even some later Pentium 4's have it. That was mainly a problem on AMD S939 and earlier Pentium 4's.

Here's my C2Q Q9550 for proof. I don't have any of the problems OP has with programs not working, or at least ones that don't need SSE4.2, AVX, AVX2 etc.
View attachment 372098

what GPU are you using if Nvidia what driver are you using?

QuietBob · Nov 17, 2024

marioman23 said:
Not sure where you got that; it's been supported since Prescott. Intel didn't have the full x86-64 v2 set until Nahelem (lacked LAHF-SAHF I believe, and POPCNT). But Penryn has it no doubt, I've been running 10 on these for years, a DC5800 with an X3360, a Vostro 420 with a Q9650, even my T400 with a P9700. Plus a collection of many other Core 2 and K10 CPU's all that will run 10.

Again, thanks for the clarification! This info will be useful when I put together my "minimum requirements" Win10 machine.

I believe LAHF/SAHF has been present on Intel CPUs since Pentium D.

agent_x007 · Nov 17, 2024

QuietBob said:
Again, thanks for the clarification! This info will be useful when I put together my "minimum requirements" Win10 machine.

I believe LAHF/SAHF has been present on Intel CPUs since Pentium D.

Pentium 4 541 a.k.a Prescott-1M, stepping "G1" :

Pentium D 8xx stepping "B0" :

Pentium D 9xx :

Fortnite displays an SSE4.2 error message

^This is a big no-go on ANY Core 2 CPU, and same goes for all Phenom II CPUs actually.
Only option is to search online for a patch or a fix to bypass this error.
Note : Minimum SSE4.2 CPUs are Core i-series desktop (or Pentium/Celeron from LGA 1156, assuming they all have it) and... Bulldozer (FX-series) from AMD.

System Name	Obliterator
Processor	Ryzen 7 7700x PBO
Motherboard	ASRock x670e Steel Legend
Cooling	Noctua NH-D15 G2 LBC
Memory	G.skill Trident Z5 Neo 6000@CL30
Video Card(s)	ASRock rx7900 GRE Steel Legend
Storage	2 x 2TB Samsung 990 pro nmve ssd 2 X 4TB Samsung 870 evo sata ssd 1 X 18TB WD Gold sata hdd
Display(s)	LG 27GN750-B
Case	Fractal Torrent
Audio Device(s)	Klipsch promedia heritage 2.1
Power Supply	FSP Hydro TI 1000w
Mouse	SteelSeries Prime+
Keyboard	Lenovo SK-8825 (L)
Software	Windows 10 Enterprise LTSC 21H2 / Windows 11 Enterprise LTSC 24H2 with multiple flavors of VM

System Name	4K-gaming / console
Processor	5800X @ PBO +200 / i5-8600K @ 4.6GHz
Motherboard	ROG Crosshair VII Hero / ROG Strix Z370-F
Cooling	Eisbaer 360 + EK Vector TUF + Acool XT45 240mm + Swiftech res + EK-XTOP SPC-60 / Eisbaer 240 + DCC
Memory	32GB DDR4-3466 / 16GB DDR4-3600
Video Card(s)	Asus RTX 3080 TUF / Powercolor RX 6700 XT
Storage	3TB of SSDs / several small SSDs
Display(s)	4K120 IPS + 4K60 IPS / 1080p projector @ 90"
Case	Corsair 4000D AF White / DeepCool CC560 WH
Audio Device(s)	Sony WH-CH720N / Hecate G1500
Power Supply	EVGA G2 750W / Seasonic FX-750
Mouse	Razer Basilisk / Ajazz i303 Pro
Keyboard	Roccat Vulcan 121 AIMO / Obinslab Anne 2 Pro
VR HMD	Oculus Rift CV1
Software	Windows 11 Pro / Windows 11 Pro
Benchmark Scores	They run Crysis

System Name	The Workhorse
Processor	AMD Ryzen R9 5900X
Motherboard	Gigabyte Aorus B550 Pro
Cooling	CPU - Noctua NH-D15S Case - 3 Noctua NF-A14 PWM at the bottom, 2 Fractal Design 180mm at the front
Memory	GSkill Trident Z 3200CL14
Video Card(s)	NVidia GTX 1070 MSI QuickSilver
Storage	Adata SX8200Pro
Display(s)	LG 32GK850G
Case	Fractal Design Torrent (Solid)
Audio Device(s)	FiiO E-10K DAC/Amp, Samson Meteorite USB Microphone
Power Supply	Corsair RMx850 (2018)
Mouse	Razer Viper (Original) on a X-Raypad Equate Plus V2
Keyboard	Cooler Master QuickFire Rapid TKL keyboard (Cherry MX Black)
Software	Windows 11 Pro (24H2)

System Name	Obliterator
Processor	Ryzen 7 7700x PBO
Motherboard	ASRock x670e Steel Legend
Cooling	Noctua NH-D15 G2 LBC
Memory	G.skill Trident Z5 Neo 6000@CL30
Video Card(s)	ASRock rx7900 GRE Steel Legend
Storage	2 x 2TB Samsung 990 pro nmve ssd 2 X 4TB Samsung 870 evo sata ssd 1 X 18TB WD Gold sata hdd
Display(s)	LG 27GN750-B
Case	Fractal Torrent
Audio Device(s)	Klipsch promedia heritage 2.1
Power Supply	FSP Hydro TI 1000w
Mouse	SteelSeries Prime+
Keyboard	Lenovo SK-8825 (L)
Software	Windows 10 Enterprise LTSC 21H2 / Windows 11 Enterprise LTSC 24H2 with multiple flavors of VM

System Name	BOX
Processor	Core i7 6950X @ 4,26GHz (1,28V)
Motherboard	X99 SOC Champion (BIOS F23c + bifurcation mod)
Cooling	Thermalright Venomous-X + 2x Delta 38mm PWM (Push-Pull)
Memory	Patriot Viper Steel 4000MHz CL16 4x8GB (@3240MHz CL12.12.12.24 CR2T @ 1,48V)
Video Card(s)	Titan V (~1650MHz @ 0.77V, HBM2 1GHz, Forced P2 state [OFF])
Storage	WD SN850X 2TB + Samsung EVO 2TB (SATA) + Seagate Exos X20 20TB (4Kn mode)
Display(s)	LG 27GP950-B
Case	Fractal Design Meshify 2 XL
Audio Device(s)	Motu M4 (audio interface) + ATH-A900Z + Behringer C-1
Power Supply	Seasonic X-760 (760W)
Mouse	Logitech RX-250
Keyboard	HP KB-9970
Software	Windows 10 Pro x64

whats going on with core 2 quad and windows?

DirtyBiker

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System Name	PC on since March 2025, upgraded from 5900X
Processor	Ryzen 7 9700X (March 2025), 150W PPT limit, 85C temp limit, CO -25, +100MHz (up to 5.65GHz)
Motherboard	Asrock X870E NOVA, BIOS v3.2, AGESA PI 1.2.0.3a Patch A
Cooling	Arctic Liquid Freezer II 420mm Rev7 (Jan 2024) with off-center mount for Ryzen, TIM: Kryosheet
Memory	2x32GB G.Skill Trident Z5 RGB (March2025) 6200MT/s 1.42V CL30-36-36-36-28-64 1T, tRFC:500, Hynix A-D
Video Card(s)	Sapphire Nitro+ RX 7900XTX (Dec 2023) 314~467W (370W current) PowerLimit, 1060mV, Adrenalin v25.3.1
Storage	NVMe: 990Pro 2TB(OS 25), 980Pro 1TB(22), 970Pro 512(19) / S-III: 850Pro 1TB(15) 860Evo 1TB(20)
Display(s)	Dell Alienware AW3423DW 34" QD-OLED curved (1800R), 3440x1440 144Hz (max 175Hz) HDR400/1000, VRR on
Case	Thermaltake Core P8 TG Gaming Full Tower, Fans: 9x140mm + 3x120mm
Audio Device(s)	Astro A50 headset
Power Supply	Corsair HX750i, ATX v2.4, 80+ Platinum, 93% (250~700W), modular, single/dual rail (switch)
Mouse	Logitech MX Master (Gen1)
Keyboard	Logitech G15 (Gen2) w/ LCDSirReal applet
Software	Windows 11 Home 64bit (v24H2, OSBuild 26100.3775), Install March 2025

Processor	5800X3D -30 CO
Motherboard	MSI B550 Tomahawk
Cooling	DeepCool Assassin III
Memory	32GB G.SKILL Ripjaws V @ 3800 CL14
Video Card(s)	ASRock MBA 7900XTX
Storage	1TB WD SN850X + 1TB ADATA SX8200 Pro
Display(s)	Dell S2721QS 4K60
Case	Cooler Master CM690 II Advanced USB 3.0
Audio Device(s)	Audiotrak Prodigy Cube Black (JRC MUSES 8820D) + CAL (recabled)
Power Supply	Seasonic Prime TX-750
Mouse	Logitech Cordless Desktop Wave
Keyboard	Logitech Cordless Desktop Wave
Software	Windows 10 Pro

System Name	I don't name my rig
Processor	14700K
Motherboard	Asus TUF Z790
Cooling	Air/water/DryIce
Memory	DDR5 G.Skill Z5 RGB 6000mhz C36
Video Card(s)	RTX 4070 Super
Storage	980 Pro
Display(s)	1080P 144hz
Case	Open bench
Audio Device(s)	Some Old Sherwood stereo and old cabinet speakers
Power Supply	Corsair 1050w HX series
Mouse	Razor Mamba Tournament Edition
Keyboard	Logitech G910
VR HMD	Quest 2
Software	Windows
Benchmark Scores	Max Freq 13700K 6.7ghz DryIce Max Freq 14700K 7.0ghz DryIce Max all time Freq FX-8300 7685mhz LN2

Processor	Ryzen 2600
Motherboard	X470 Tachi Ultimate
Cooling	AM3+ Wraith CPU cooler
Memory	C.R.S.
Video Card(s)	GTX 970
Software	Linux Peppermint 10
Benchmark Scores	Never high enough

Processor	Intel Xeon X5670 @ 4.4GHz
Motherboard	Asus P6X58D-E
Cooling	Thermalright Silver Arrow
Memory	24GB DDR3 1600MHz
Video Card(s)	ASUS ROG STRIX GTX 1080 GAMING Advanced
Storage	500GB 870 EVO, 250GB 750 EVO & 120GB A400, HDDs: 2x 4TB, 2x 2TB
Display(s)	4x 1920x1080
Case	Fractal Design Define R5
Audio Device(s)	Asus Xonar DGX
Power Supply	Seasonic M12II-620 Evo
Mouse	Logitech G300s
Keyboard	IBM Model M with buckling springs from 1993
Software	Windows 10 LTSC 2019
Benchmark Scores	Results at 4.4GHz R15 - 1033 cb R20 - 2138 pts R23 - 5464 pts Geekbench 5 - 865/4926

System Name	LGA775 \| BoX-Server
Processor	Xeon E5450 OC3.6GHZ from 3GHZ \| i3 3.4GHZ
Motherboard	ASUS PQ5-EM \| ASRock
Cooling	120MM Heatsink (2-FANs) \| Custom HSK 90mm
Memory	DDR2 2GB-x4=8GB \| 8GB 2x4GB=8GB
Video Card(s)	NVIDIA Quadro K2200 4GB \| Intel
Storage	500\500/240/240GB SSDs 120GB Laptop IDE
Display(s)	Asus 24"
Case	DIYPC N1e-SPORT \| CoolerMaster 110
Audio Device(s)	Onboard
Power Supply	EVGA 550WATT \| Rosewill 530WATT
Mouse	Rosewill RGB
Keyboard	Rosewill RGB
Software	WiN10ET/WiN11ET