Motherboards with PCIe 2.1 support for AMD Phenom™ II processors

NeSeNVi · Oct 8, 2009, 02:05 PM

Like in topic. Are there any motherboards with that already on market? I tried Gigabyte, MSI and Asus, but they have only motherboards with PCIe 2.0... And if not: when will they be release? I am asking because I saw new HD5xxx line has that bus interface. What if someone use HD5xxx with PCIe 2.0? Is it big waste?

newtekie1 · Oct 8, 2009, 02:10 PM

Where did you see that the HD5000 series supports PCI-e 2.1? AFAIK, they are all PCI-e 2.0. I don't even think 2.1 exists, at least not on anything other than paper.

And even if the are 2.1, they will work perfectly in a 2.0 motherboard.

Frick · Oct 8, 2009, 02:12 PM

Would you see a performance loss of you put those cards in PCI-E 1.1 slots?

newtekie1 · Oct 8, 2009, 02:15 PM

Quote:

Originally Posted by Frick

Would you see a performance loss of you put those cards in PCI-E 1.1 slots?

No, even a PCI-e x8 1.1 slot would be good enough for these cards. There would be about a 2% performance loss putting one of these cards in a 1.1 slot. If you put it in an 1.1 x8 slot, you are looking at about a 5% performance loss. You could measure that for sure, but you wouldn't actually see it.

Frick · Oct 8, 2009, 02:22 PM

Really? I thought there should be a greater loss.. Thanks!

newtekie1 · Oct 8, 2009, 02:25 PM

Quote:

Originally Posted by Frick

Really? I thought there should be a greater loss.. Thanks!

http://www.techpowerup.com/reviews/A...caling/25.html

NeSeNVi · Oct 9, 2009, 06:50 PM

Quote:

Originally Posted by newtekie1

Where did you see that the HD5000 series supports PCI-e 2.1?

Here on Wikipedia:
http://en.wikipedia.org/wiki/Compari...5xxx.29_series

Quote:

Originally Posted by newtekie1

http://www.techpowerup.com/reviews/A...caling/25.html

I thought (and now I see I was wrong) there were bigger difference between 1.1 and 2.0 standard.

Thanks guys for replay.

W1zzard · Oct 9, 2009, 06:53 PM

apparently pci-e 2.1 exists, but since i dont have a pci-sig account i cant download the list of changes. i doubt there are any changes that matter to anyone here

newtekie1 · Oct 9, 2009, 07:54 PM

Quote:

Originally Posted by W1zzard

apparently pci-e 2.1 exists, but since i dont have a pci-sig account i cant download the list of changes. i doubt there are any changes that matter to anyone here

The real question though, is are the HD5000 series cards really PCI-E 2.1? The wiki article is the first I have ever heard mention of this, and I don't really trust wikipedia articles, especially not ones with no sources for the information.

vagxtr · Oct 28, 2009, 02:35 AM

PCIe 2.1 will be important only for GPGPU processing. Don't hope that games would be optimized for anything PCIe 2.1 could offer

Weird thing is that AMD just skipped opportunity to include pcie 2.1 in their 785G chipset when this revision came out few weeks before HD5000 series, and they had working prototype samples of R800/Evergreen series few month earlier than 785G was released.

Oct 8, 2009, 02:05 PM	#1
NeSeNVi Join Date: Dec 2008 Posts: 92 (0.06/day) Thanks: 2 Thanked 3 Times in 3 Posts	Motherboards with PCIe 2.1 support for AMD Phenom™ II processors Like in topic. Are there any motherboards with that already on market? I tried Gigabyte, MSI and Asus, but they have only motherboards with PCIe 2.0... And if not: when will they be release? I am asking because I saw new HD5xxx line has that bus interface. What if someone use HD5xxx with PCIe 2.0? Is it big waste?

Oct 8, 2009, 02:10 PM	#2
newtekie1 Semi-Retired Folder Join Date: Nov 2005 Location: Indiana Posts: 17,761 (6.48/day) Thanks: 780 Thanked 5,118 Times in 3,708 Posts System Specs	Where did you see that the HD5000 series supports PCI-e 2.1? AFAIK, they are all PCI-e 2.0. I don't even think 2.1 exists, at least not on anything other than paper. And even if the are 2.1, they will work perfectly in a 2.0 motherboard. __________________ Rig1: System Specs. Rig2: A8-5600K@4.4GHz / AsRock FM2A75 Pro4 / 8GB Corsair DDR3-1600 9-9-9-24 / HD7560D / Samsung DVD-Burner / 1.5TB WD Green + 3x3TB WD RED in RAID5 Rig3: Athlon X2 4200+ / M4A79 Deluxe / 4GB G.Skill Pi DDR2-800 4-4-4-12 / GT430 / Sony DVD-Burner / 500GB WD Rig4: Phenom II x6 1605T @ 3.6GHz / Asus M5A99X Evo / 8GB PNY DDR3-1600 9-9-9 / GTX470 & GTX470 / Samsung DVD-Burner / 1.5TB Seagate

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Oct 8, 2009, 02:12 PM	#3
Frick Fishfaced Nincompoop Join Date: Feb 2006 Location: Sweden Posts: 7,898 (2.99/day) Thanks: 1,076 Thanked 1,449 Times in 1,155 Posts System Specs	Would you see a performance loss of you put those cards in PCI-E 1.1 slots? __________________ Typemachine: Acer Aspire One D250 \| Atom N280 1.6 Ghz \| 1GB DDR2 \| 160GB SATA \| 10.1' 1024 x 600 \| Lubuntu 12.10 Oldbox: HP D530 \| Pentium 4 2.8 Ghz \| 1GB DDR \| 40GB \| Windows XP "The 'gentle biker' look is overdone. I'm going for 'psycho hillbilly.' "

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Oct 8, 2009, 02:22 PM	#5
Frick Fishfaced Nincompoop Join Date: Feb 2006 Location: Sweden Posts: 7,898 (2.99/day) Thanks: 1,076 Thanked 1,449 Times in 1,155 Posts System Specs	Really? I thought there should be a greater loss.. Thanks! __________________ Typemachine: Acer Aspire One D250 \| Atom N280 1.6 Ghz \| 1GB DDR2 \| 160GB SATA \| 10.1' 1024 x 600 \| Lubuntu 12.10 Oldbox: HP D530 \| Pentium 4 2.8 Ghz \| 1GB DDR \| 40GB \| Windows XP "The 'gentle biker' look is overdone. I'm going for 'psycho hillbilly.' "

Oct 9, 2009, 06:53 PM	#8
W1zzard Benevolent Dictator Join Date: May 2004 Location: Stuttgart, Germany Posts: 13,792 (4.18/day) Thanks: 184 Thanked 10,289 Times in 3,175 Posts System Specs	apparently pci-e 2.1 exists, but since i dont have a pci-sig account i cant download the list of changes. i doubt there are any changes that matter to anyone here

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Oct 28, 2009, 02:35 AM	#10
vagxtr Join Date: Jul 2007 Posts: 175 (0.08/day) Thanks: 21 Thanked 4 Times in 4 Posts	PCIe 2.1 will be important only for GPGPU processing. Don't hope that games would be optimized for anything PCIe 2.1 could offer Weird thing is that AMD just skipped opportunity to include pcie 2.1 in their 785G chipset when this revision came out few weeks before HD5000 series, and they had working prototype samples of R800/Evergreen series few month earlier than 785G was released.

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