Are bulldozer's PCI-E 3.0 compatible?

Jegergrim · Sep 7, 2011, 09:51 PM

It seems that the 7xxx radeon series will support PCI-E 3.0, but the bulldozer wont. What will this mean for a build based on these two products? Will the GPU be limited, or will the CPU be compatible through the motherboard?

Intending to go for AMD/ATI build, unless they disappoint alot

Damn_Smooth · Sep 7, 2011, 09:52 PM

Quote:

Originally Posted by Jegergrim

It seems that the 7xxx radeon series will support PCI-E 3.0, but the bulldozer wont. What will this mean for a build based on these two products? Will the GPU be limited, or will the CPU be compatible through the motherboard?

Intending to go for AMD/ATI build, unless they disappoint alot

I really don't think it will have much of an effect on performance, if any.

erocker · Sep 7, 2011, 09:53 PM

Wait for AMD PCI-E 3.0 boards to be released.

Jegergrim · Sep 7, 2011, 09:57 PM

Quote:

Originally Posted by erocker

Wait for AMD PCI-E 3.0 boards to be released.

Thanks for the fast reply

If the board supports PCI-E 3.0 and the CPU doesn't, what does this mean? Since I'm not to familier with these sort of things, for instance I've read (example), the Ivy-bridge or SandyBridge-E will have integrated PCI-E 3.0 support, or something along the lines of this. Well to clarify my question, would a PCI-E 3.0 990x motherboard do the exact same as PCI-E 3.0 ready CPU's?

Damn_Smooth · Sep 7, 2011, 09:59 PM

Quote:

Originally Posted by Jegergrim

Thanks for the fast reply

If the board supports PCI-E 3.0 and the CPU doesn't, what does this mean? Since I'm not to familier with these sort of things, for instance I've read (example), the Ivy-bridge or SandyBridge-E will have integrated PCI-E 3.0 support, or something along the lines of this. Well to clarify my question, would a PCI-E 3.0 990x motherboard do the exact same as PCI-E 3.0 ready CPU's?

On AMD boards, the pci controllers are part of the board. On Intel, it's part of the CPU.

erocker · Sep 7, 2011, 10:00 PM

Quote:

Originally Posted by Damn_Smooth

On AMD boards, the pci controllers are part of the board. On Intel, it's part of the CPU.

No. See that latest news post on MSI/Gigabyte and PCI-E 3.0.

Damn_Smooth · Sep 7, 2011, 10:01 PM

Quote:

Originally Posted by erocker

No. See that latest news post on MSI/Gigabyte and PCI-E 3.0.

That was sarcasm, right?

I think I'm being trolled by a MOD.

erocker · Sep 7, 2011, 10:02 PM

Quote:

Originally Posted by Damn_Smooth

That was sarcasm, right?

I think I'm being trolled by a MOD.

No, it has to do with the PCI-E switches on the motherboard. This goes for both AMD and Intel chipsets.

Damn_Smooth · Sep 7, 2011, 10:04 PM

Quote:

Originally Posted by erocker

No, it has to do with the PCI-E switches on the motherboard. This goes for both AMD and Intel chipsets.

Don't the Intel boards need Ivy before the PCIe 3.0 will work?

Jegergrim · Sep 7, 2011, 10:05 PM

Quote:

Originally Posted by erocker

No, it has to do with the PCI-E switches on the motherboard. This goes for both AMD and Intel chipsets.

Any chance of further clarification, for the less knowledged user ?

Does this mean it is currently "unknown" whether it is integrated or on the motherboard?

Jegergrim · Sep 7, 2011, 10:06 PM

Quote:

Originally Posted by Damn_Smooth

Don't the Intel boards need Ivy before the PCIe 3.0 will work?

I read the SB-E's will support PCI-E 3.0, so I guess not

Damn_Smooth · Sep 7, 2011, 10:07 PM

Quote:

Originally Posted by Jegergrim

I read the SB-E's will support PCI-E 3.0, so I guess not

Why won't it work with SB regular then?

erocker · Sep 7, 2011, 10:07 PM

Quote:

Originally Posted by Jegergrim

Any chance of further clarification, for the less knowledged user ?

Does this mean it is currently "unknown" whether it is integrated or on the motherboard?

If it was, they would advertise it. They are the small rectangular chips usually located between PCI-E slots.

Jegergrim · Sep 7, 2011, 10:10 PM

Quote:

Originally Posted by Damn_Smooth

Why won't it work with SB regular then?

I actually don't know, possibly due to the platform change to LGA 2011

Damn_Smooth · Sep 7, 2011, 10:12 PM

Quote:

Originally Posted by Jegergrim

I actually don't know, possibly due to the platform change to LGA 2011

Intel has too damn many chipsets. It confuses me.

Jegergrim · Sep 7, 2011, 10:14 PM

I read somewhere that the enthusiast (E) series will be on platform 2011 i.e. Sandybridge-E and IvyBridge-E, whereas the normal series will be on 1155, seems like a good way of being future proof for a while, compared to bulldozer First gen to second gen changing platforms...

Damn_Smooth · Sep 7, 2011, 10:18 PM

Quote:

Originally Posted by Jegergrim

I read somewhere that the enthusiast (E) series will be on platform 2011 i.e. Sandybridge-E and IvyBridge-E, whereas the normal series will be on 1155, seems like a good way of being future proof for a while, compared to bulldozer First gen to second gen changing platforms...

I thought the opposite. I thought that they had SB boards that would be compatible with IB, but the SB-e boards wouldn't. Where are the Intel guys when you need them?

Suhidu · Sep 7, 2011, 10:53 PM

I believe that 16 lanes stem from the CPU itself for graphics (1155 platform). Thus if the CPU supports PCI-E 3.0, then all that's left is for the interconnects (on the motherboard) to support PCI-E 3.0 as well. This seems to be supported by the diagram on this page about P67 on Intel.com. This article has info too..

Also, this product description describes the board as having two PCI-E 3.0 slots and one PCI-E 2.0 slot, which seems in line with the P67 chipset diagram I linked to.

Sep 7, 2011, 09:51 PM	#1
Jegergrim Join Date: Aug 2011 Location: Denmark Posts: 373 (0.57/day) Thanks: 150 Thanked 38 Times in 37 Posts System Specs	Are bulldozer's PCI-E 3.0 compatible? It seems that the 7xxx radeon series will support PCI-E 3.0, but the bulldozer wont. What will this mean for a build based on these two products? Will the GPU be limited, or will the CPU be compatible through the motherboard? Intending to go for AMD/ATI build, unless they disappoint alot __________________ "In youth we learn, in age we understand." - Marie von Ebner-Eschenbach

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System Name:	Runs Smooth
Processor:	FX 8350
Motherboard:	Crosshair V Formula Z
Cooling:	Corsair H110 with AeroCool Shark 140mm fans
Memory:	16GB G-skill Trident X 1866 Cl. 8
Video Card:	HIS 7970 IceQ X² GHZ Edition
Hard Disk:	OCZ Vector 256GB SSD & 1Tb piece of crap
Optical Drive:	LG WH10LS30
CRT/LCD Model:	acer H243H
Case:	NZXT Phantom 820 matte black
Sound Card:	Nada
PSU:	NZXT Hale90 V2 850 watt
Software:	Windows 7 Pro
Benchmarks:	Lesbians are hot!!!

Processor:	Intel i7 3770K @ 4.6ghz 1.256v
Motherboard:	Asus Maximus V Formula
Cooling:	Water
Memory:	2x4gb Patriot Viper 2133mhz 10-11-10-25 2T 1.55v
Video Card:	Sapphire HD 7970 1125/1575 1.14v
Hard Disk:	Crucial M4 128Gb / Corsair Force 3 120Gb / Samsung 240Gb / 2Tb Seagate
Optical Drive:	None
CRT/LCD Model:	Acheiva Shimian 27" IPS 2560x1440
Case:	Corsair 500R White
Sound Card:	Onboard
PSU:	NZXT Hale90 1Kw
Software:	Windows 8 x64

Sep 7, 2011, 09:53 PM	#3
erocker Senior Moderator Join Date: Jul 2006 Location: Milwaukee, WI. Posts: 31,919 (12.77/day) Thanks: 2,783 Thanked 12,296 Times in 7,821 Posts System Specs	Wait for AMD PCI-E 3.0 boards to be released.

Sep 7, 2011, 10:14 PM	#16
Jegergrim Join Date: Aug 2011 Location: Denmark Posts: 373 (0.57/day) Thanks: 150 Thanked 38 Times in 37 Posts System Specs	I read somewhere that the enthusiast (E) series will be on platform 2011 i.e. Sandybridge-E and IvyBridge-E, whereas the normal series will be on 1155, seems like a good way of being future proof for a while, compared to bulldozer First gen to second gen changing platforms... __________________ "In youth we learn, in age we understand." - Marie von Ebner-Eschenbach

Sep 7, 2011, 10:53 PM	#18
Suhidu Join Date: Feb 2011 Location: Florida, USA Posts: 158 (0.19/day) Thanks: 9 Thanked 75 Times in 48 Posts	I believe that 16 lanes stem from the CPU itself for graphics (1155 platform). Thus if the CPU supports PCI-E 3.0, then all that's left is for the interconnects (on the motherboard) to support PCI-E 3.0 as well. This seems to be supported by the diagram on this page about P67 on Intel.com. This article has info too.. Also, this product description describes the board as having two PCI-E 3.0 slots and one PCI-E 2.0 slot, which seems in line with the P67 chipset diagram I linked to. Last edited by Suhidu; Sep 7, 2011 at 11:03 PM.

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