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- Nov 10, 2006
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System Name | Rainbow |
---|---|
Processor | Intel Core i7 8700k |
Motherboard | MSI MPG Z390M GAMING EDGE AC |
Cooling | Corsair H115i, 2x Noctua NF-A14 industrialPPC-3000 PWM |
Memory | G. Skill TridentZ RGB 4x8GB (F4-3600C16Q-32GTZR) |
Video Card(s) | ZOTAC GeForce RTX 3090 Trinity |
Storage | 2x Samsung 950 Pro 256GB | 2xHGST Deskstar 4TB 7.2K |
Display(s) | Samsung C27HG70 |
Case | Xigmatek Aquila |
Power Supply | Seasonic 760W SS-760XP |
Mouse | Razer Deathadder 2013 |
Keyboard | Corsair Vengeance K95 |
Software | Windows 10 Pro |
Benchmark Scores | 4 trillion points in GmailMark, over 144 FPS 2K Facebook Scrolling (Extreme Quality preset) |
My C2 revision Phenom II X2 550 Black Edition will do (200x19=)3.8GHz stable at 1.5v with temps under 40c. I can POST and occasionally boot at 3.9GHz, but it usually isn't stable for long. I've tried bumping core voltage up to 1.6v with absolutely zero improvement in stability (temps reach ~55c). I've bumped miscellaneous voltages to try to improve stability, but it seems that nothing helps.
I know 3.8GHz is about where I should be at on an older C2 stepping, but can anyone explain what's stopping me from going any higher? (..and/or tell me what's safe as far as voltages go?)
Hardware at a glance:
Phenom II X2 550 Black Edition
DFI LanParty DK 790FXB-M3H5 (SB750) (10/9/2009 BIOS, latest)
Xigmatek S1283, OCz Freeze, Scythe Ultra Kaze 3000
<-- Check sig for the rest
Current BIOS settings:
CPU Core Voltage - 1.53v
DRAM Voltage - 1.8v
SB PLL - 1.2v (tried 1.3)
NB Core Voltage - 1.2v (tried 1.35)
NB PCIE Voltage - 1.12v (haven't bumped)
NB HT Voltage 1.27v (tried 1.4v)
CPU-NB Voltage - 1.25v (tried 1.4v)
CPU NB Clock Ratio - x13 (will not do x14 for anything)
HT Link Frequency - 2.6GHz (2.6 seems to be the max)
CPU Host/HTT Clock - 200MHz
CPU Host/HTT Adjust Gap - 5MHz
PCIE Clock - 100MHZ
I know 3.8GHz is about where I should be at on an older C2 stepping, but can anyone explain what's stopping me from going any higher? (..and/or tell me what's safe as far as voltages go?)
Hardware at a glance:
Phenom II X2 550 Black Edition
DFI LanParty DK 790FXB-M3H5 (SB750) (10/9/2009 BIOS, latest)
Xigmatek S1283, OCz Freeze, Scythe Ultra Kaze 3000
<-- Check sig for the rest
Current BIOS settings:
CPU Core Voltage - 1.53v
DRAM Voltage - 1.8v
SB PLL - 1.2v (tried 1.3)
NB Core Voltage - 1.2v (tried 1.35)
NB PCIE Voltage - 1.12v (haven't bumped)
NB HT Voltage 1.27v (tried 1.4v)
CPU-NB Voltage - 1.25v (tried 1.4v)
CPU NB Clock Ratio - x13 (will not do x14 for anything)
HT Link Frequency - 2.6GHz (2.6 seems to be the max)
CPU Host/HTT Clock - 200MHz
CPU Host/HTT Adjust Gap - 5MHz
PCIE Clock - 100MHZ