HD4350, a PCI-E x1 Slot and a Dremel (Tons of Pics Warning). - Page 4

EnergyFX · Aug 7, 2009, 12:44 PM

this is nuts!

you're nuts!

Yukikaze · Aug 7, 2009, 12:48 PM

Quote:

Originally Posted by EnergyFX

this is nuts!

you're nuts!

I'll take that as a compliment

lxfguits · Sep 21, 2009, 10:10 PM

I'm curious about if you could run a quad SLI/CrossFireX setup like this and if it would actually be worth doing with some older 256bit cards.

Mussels · Sep 22, 2009, 01:38 AM

Quote:

Originally Posted by lxfguits

I'm curious about if you could run a quad SLI/CrossFireX setup like this and if it would actually be worth doing with some older 256bit cards.

cant be done. the 1x slots are normally from the southbridge, and you cant mix NB and SB PCI-E lanes for crossfire or SLI

lxfguits · Sep 22, 2009, 08:17 PM

Ahh right, kinda forgot about that one...

newtekie1 · Sep 22, 2009, 08:26 PM

Quote:

Originally Posted by Mussels

cant be done. the 1x slots are normally from the southbridge, and you cant mix NB and SB PCI-E lanes for crossfire or SLI

Then how did the 965P and P35 manage to support crossfire?

Mussels · Sep 23, 2009, 05:51 AM

Quote:

Originally Posted by newtekie1

Then how did the 965P and P35 manage to support crossfire?

P35 didnt mix, i know that much. it was just 16x/4x from the NB

newtekie1 · Sep 28, 2009, 06:39 PM

Quote:

Originally Posted by Mussels

P35 didnt mix, i know that much. it was just 16x/4x from the NB

It was x16 from the northbridge, and x4 from the south. The northbridge only had 16 total lanes to use, to it would be impossible to do x16/x4 entirely from the P35 northbridge.

Unless I'm reading the diagram and specs for P35 wrong:

Mussels · Sep 29, 2009, 12:36 AM

you may well be right.

i assumed it wasnt, but hell - i ran crossfire off my P35 with no issues.

i guess i failed my own saying "assumption is the mother of all f$%kups"

Patriot · Oct 27, 2009, 09:37 PM

hey I am interested in giving this a shot... how do I find out how many pins to leave?
not a too cheap an error but you still make to dead cards and be ahead.

I have a coworker that is using a server and could use a gfx card to bump up his monitor to full res... but x1 slots are all that are free.

granted he could switch systems with a bit of pain... but I figured I could surprise him with this... I have a few old quatros I could try it on as well

(I don't know how I found this thread but I am glad I did... I read yalls news daily and am highly active on OCW forums)

lemonadesoda · Oct 27, 2009, 10:44 PM

Quote:

Originally Posted by mlee49

So are you wanting to try just the 12th pin taped over? Can you use a pic of the gfx card and show me what you want? I'd be willing to try it

Mlee,

Go to this link: http://pinouts.ru/Slots/pci_express_pinout.shtml

Tape over channel 15. (Last 5 pins). Then you have an x15 card. Boot it up. See if it works as an x8, x12, x15 or x16.

Second test. Tape over only channel 2. Then you also have an x15 card. Boot and see if it works as an x1, x4, x8, x15 or x16.

Proof of concept. Please share results.

Yukikaze · Oct 27, 2009, 11:55 PM

Quote:

Originally Posted by Patriot

hey I am interested in giving this a shot... how do I find out how many pins to leave?
not a too cheap an error but you still make to dead cards and be ahead.

I have a coworker that is using a server and could use a gfx card to bump up his monitor to full res... but x1 slots are all that are free.

granted he could switch systems with a bit of pain... but I figured I could surprise him with this... I have a few old quatros I could try it on as well

(I don't know how I found this thread but I am glad I did... I read yalls news daily and am highly active on OCW forums)

Tape the pins over and leave only the first 7 showing to test before chopping. You can see this in the pics in the first post.

mlee49 · Oct 28, 2009, 04:25 AM

Quote:

Originally Posted by lemonadesoda

Mlee,

Go to this link: http://pinouts.ru/Slots/pci_express_pinout.shtml

Tape over channel 15. (Last 5 pins). Then you have an x15 card. Boot it up. See if it works as an x8, x12, x15 or x16.

Second test. Tape over only channel 2. Then you also have an x15 card. Boot and see if it works as an x1, x4, x8, x15 or x16.

Proof of concept. Please share results.

Sorry I cant do the tests at the moment, I sold the card and shipped it out.

suraswami · Nov 11, 2009, 09:35 PM

This is sick. I am going CF 2 x 2600XT and cut a 8400GS, put in a 1x slot for physx and see how it performs

Does a 6200 or 7200 series card support Physx or only 8xxx and above support?

Mussels · Nov 11, 2009, 11:36 PM

Quote:

Originally Posted by suraswami

This is sick. I am going CF 2 x 2600XT and cut a 8400GS, put in a 1x slot for physx and see how it performs

Does a 6200 or 7200 series card support Physx or only 8xxx and above support?

8series and up, needs at least 64 shaders and 256MB of ram

suraswami · Nov 12, 2009, 12:19 AM

Quote:

Originally Posted by Mussels

8series and up, needs at least 64 shaders and 256MB of ram

so will a 8400gs 256mb work? I am getting one for real cheap.

http://www.newegg.com/Product/Produc...ostar%208400gs

Mussels · Nov 12, 2009, 02:16 AM

Quote:

Originally Posted by suraswami

so will a 8400gs 256mb work? I am getting one for real cheap.

http://www.newegg.com/Product/Produc...ostar%208400gs

i think the minimum people recommend is an 8500

SaperPL · Nov 21, 2009, 03:21 PM

I'm willing to do this mod on some spare old X1300PRO but i encouter problem with my mobo. When i try to tape over even only last five pins on the card i encourter boot error from the POST and card doesn't work. Is this mod is supposed to work only for pci-e 2.0 cars and slots? What if i have only pci-e 1.1 ? ive been willing to do this mod to check some stuff like multiseat configs on my system and possibility of accelerating the CADs like Solidworks working on normal gaming cards by secondary unconnected card - same idea like accelerating physx on systems with powerfull radeons by adding cheap geforce. Anyone can help getting the idea what i'm doing wrong?

r9 · Nov 21, 2009, 03:25 PM

Yukikaze · Nov 21, 2009, 03:27 PM

Quote:

Originally Posted by SaperPL

I'm willing to do this mod on some spare old X1300PRO but i encouter problem with my mobo. When i try to tape over even only last five pins on the card i encourter boot error from the POST and card doesn't work. Is this mod is supposed to work only for pci-e 2.0 cars and slots? What if i have only pci-e 1.1 ? ive been willing to do this mod to check some stuff like multiseat configs on my system and possibility of accelerating the CADs like Solidworks working on normal gaming cards by secondary unconnected card - same idea like accelerating physx on systems with powerfull radeons by adding cheap geforce. Anyone can help getting the idea what i'm doing wrong?

Have you tried taping over all pins except for the power ones and the 7 first data ones, exactly as I did ?

I am not quite sure how it would respond if you tape off some random number of connectors.

SaperPL · Nov 21, 2009, 03:29 PM

I did this by the first attemp and didnt worked, then i checked how would it work with only one last lane disabled an my system still doesnt boot.

Yukikaze · Nov 21, 2009, 03:31 PM

Quote:

Originally Posted by SaperPL

I did this by the first attemp and didnt worked, then i checked how would it work with only one last lane disabled an my system still doesnt boot.

I think it has nothing to do with PCI-E 1.1 and PCI-E 2.0, but rather with some self-check the X1300Pro has. It probably detects lane failure and refuses to work, even though this is against what I know of the PCI-E spec (A device must select the maximum number of working lanes, but must work with even a single one operational). It might also be some issue with your motherboard not liking the idea for some reason. My Abit I-N73HD refused to boot with the chopped off card in the PCI-E x1 slot, for example, whereas both my DFIs (P45 and X58) boot with it in any PCI-E slot and I get a video signal.

SaperPL · Nov 21, 2009, 03:37 PM

The same thing happens when i tape out my quadro FX370 - it has to be something with my mobo but dunno how to unlock it.

Yukikaze · Nov 21, 2009, 03:42 PM

Quote:

Originally Posted by SaperPL

The same thing happens when i tape out my quadro FX370 - it has to be something with my mobo but dunno how to unlock it.

Definitely something with the mobo, though. What mobo is that ?

Can you force the PCI-E x16 slot to run in PCI-E x1 mode via the BIOS ?

SaperPL · Nov 21, 2009, 03:49 PM

its ASUS K8N-DL - two dual core opterons, nforce4 professional 2200, two pci slots, one x16 slot, one x1 slot(sandra shows sli for this mobo so probably the first one could be replaced by full lenght slot but as for server/workstation board they didnt thought of that probably when designing). in the bios for pc-e i can only manipulate spread spectrum, size of payload from 128 to 4096 bytes and init display first option(pci/pci-e to choose) and anything of above does the trick for this mod.

Aug 7, 2009, 12:44 PM	#76
EnergyFX Join Date: Nov 2007 Location: Annapolis, MD Posts: 1,396 (0.69/day) Thanks: 477 Thanked 350 Times in 237 Posts System Specs	this is nuts! you're nuts! __________________ Feedback/Rep: Heat -- eBay There is an elegant solution for every problem... and sometimes elegance comes in the form of a very large hammer.

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Sep 21, 2009, 10:10 PM	#78
lxfguits Join Date: Sep 2009 Posts: 2 (0.00/day) Thanks: 0 Thanked 0 Times in 0 Posts	I'm curious about if you could run a quad SLI/CrossFireX setup like this and if it would actually be worth doing with some older 256bit cards.

Sep 22, 2009, 08:17 PM	#80
lxfguits Join Date: Sep 2009 Posts: 2 (0.00/day) Thanks: 0 Thanked 0 Times in 0 Posts	Ahh right, kinda forgot about that one...

Sep 29, 2009, 12:36 AM	#84
Mussels Doctor Moderator Join Date: Oct 2004 Location: Bendigo, Australia (NOT THE USA) Posts: 34,559 (10.96/day) Thanks: 3,700 Thanked 8,693 Times in 6,392 Posts System Specs	you may well be right. i assumed it wasnt, but hell - i ran crossfire off my P35 with no issues. i guess i failed my own saying "assumption is the mother of all f$%kups" __________________ Edumacational thread about PC Audio My external HDD's.5x samsung 1TB + 2x Seagate 1.5TB = 8 TB external storage 32 Bit OS vs 64 bit OS information How to get hardware accelerated H264 playback (DXVA) Netbook Owners United!

Oct 27, 2009, 09:37 PM	#85
Patriot Join Date: Oct 2009 Location: Republic of Texas Posts: 58 (0.04/day) Thanks: 4 Thanked 5 Times in 4 Posts System Specs	hey I am interested in giving this a shot... how do I find out how many pins to leave? not a too cheap an error but you still make to dead cards and be ahead. I have a coworker that is using a server and could use a gfx card to bump up his monitor to full res... but x1 slots are all that are free. granted he could switch systems with a bit of pain... but I figured I could surprise him with this... I have a few old quatros I could try it on as well (I don't know how I found this thread but I am glad I did... I read yalls news daily and am highly active on OCW forums)

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Nov 11, 2009, 09:35 PM	#89
suraswami Eligible for custom title Join Date: Apr 2005 Location: Irvine, CA Posts: 5,143 (1.73/day) Thanks: 851 Thanked 602 Times in 533 Posts System Specs	This is sick. I am going CF 2 x 2600XT and cut a 8400GS, put in a 1x slot for physx and see how it performs Does a 6200 or 7200 series card support Physx or only 8xxx and above support? __________________ 2 Servers Multiple VMs including WHS on VM, capacity 3.5 TB HDD Family Machine - W7 Ultimate 64bit, ECS 780G, Phenom II X3 720BE @ 3.1Ghz- 1.38V, 4GB DDR2 800 ram, Sapphire 4670 512MB, 600W Ultra X pro, Xigmatek HDT-S1283 "Oh please, the only thing more resilient than an Indian is a cockroach. Not even nukes can stop their immune systems" - TheMailMan78 Last edited by suraswami; Nov 11, 2009 at 09:45 PM.

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Nov 21, 2009, 03:21 PM	#93
SaperPL Join Date: Nov 2009 Posts: 8 (0.01/day) Thanks: 0 Thanked 0 Times in 0 Posts System Specs	I'm willing to do this mod on some spare old X1300PRO but i encouter problem with my mobo. When i try to tape over even only last five pins on the card i encourter boot error from the POST and card doesn't work. Is this mod is supposed to work only for pci-e 2.0 cars and slots? What if i have only pci-e 1.1 ? ive been willing to do this mod to check some stuff like multiseat configs on my system and possibility of accelerating the CADs like Solidworks working on normal gaming cards by secondary unconnected card - same idea like accelerating physx on systems with powerfull radeons by adding cheap geforce. Anyone can help getting the idea what i'm doing wrong?

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Nov 21, 2009, 03:25 PM	#94
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Nov 21, 2009, 03:29 PM	#96
SaperPL Join Date: Nov 2009 Posts: 8 (0.01/day) Thanks: 0 Thanked 0 Times in 0 Posts System Specs	I did this by the first attemp and didnt worked, then i checked how would it work with only one last lane disabled an my system still doesnt boot.

Nov 21, 2009, 03:37 PM	#98
SaperPL Join Date: Nov 2009 Posts: 8 (0.01/day) Thanks: 0 Thanked 0 Times in 0 Posts System Specs	The same thing happens when i tape out my quadro FX370 - it has to be something with my mobo but dunno how to unlock it.

Nov 21, 2009, 03:49 PM	#100
SaperPL Join Date: Nov 2009 Posts: 8 (0.01/day) Thanks: 0 Thanked 0 Times in 0 Posts System Specs	its ASUS K8N-DL - two dual core opterons, nforce4 professional 2200, two pci slots, one x16 slot, one x1 slot(sandra shows sli for this mobo so probably the first one could be replaced by full lenght slot but as for server/workstation board they didnt thought of that probably when designing). in the bios for pc-e i can only manipulate spread spectrum, size of payload from 128 to 4096 bytes and init display first option(pci/pci-e to choose) and anything of above does the trick for this mod.

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