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Just added in another GPU, cant get it to recognize

post #1 of 6
Thread Starter 
Hey guys I added a HD 5750 into my rig. Which is kinda insane since I already have 2 6970s that are watercooled. Couple reasons I done so is because

1. With my main cards running Milkyway@home, my screen gets all laggy/jumpy. I am hoping to use the 5750 to run video while the other 2 6970s crunch away.
2. My nephews like to jump on my rig when its crunching, then it runs like crap until it locks up when they play something like Witcher 2.
3. Puts a spare card to good use, cant be good for it to sit in a box .
4. Really wanna see if its possible. And would be awesome to max out my rig.

I had to do the old MOBO mod, and cut open a PCIe x4 lane end open so the card could fit. I seen it done before, but cant remember the article/thread. Everything fits perfectly and all the pins in the lane are contacting as far as I can tell. But I cant get the card to recognize in the system. I tried to install drivers, but no go so far. I have power plugged in, and its fan is spinning. I also have a dummy plug inserted into the DVI port on the back.

Any suggestions??
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Bubble Bee Tuna
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post #2 of 6
Thread Starter 
Bump??
Bubble Bee Tuna
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Bubble Bee Tuna
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post #3 of 6
Thread Starter 
Still not working. Would it be easier to switch out the 5750 for a GTX 460?? Would I need anything special to run the 460 for Physix?? Anyone home??
Bubble Bee Tuna
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Bubble Bee Tuna
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post #4 of 6
Could you try it the other way around? Put the 5750 in the primary, top slot. Then put your 2 x 6970s in the bottom two? Gaming card to me means primary card, and the other two would be secondary BOINC cards. though, if you yourself used the crossfire 6970s to game while pausing BOINC, then that puts a big ol' hole in my idea redface.gif

Also never heard tell of doing that mod to a x4 slot. Could it have damaged the lane in some way?
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Mecha |3lack
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Ol' Timer
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Hard DriveHard DriveHard DriveOptical Drive
Crucial BX200 240GB [OS] WD Caviar Black WD1001FALS 3 X WD Caviar Blue WD10EZEX  LG Super Writemaster 
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Xigmatek SD1283 Night Hawk [P/P] Windows 10 Home LG 24EA53V 24" LED IPS 1080p LG 42LY340C 42" LED HDTV 1080p 
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post #5 of 6
Thread Starter 
I would prefer to keep the 6970s where the are. Yeah I am planning on gaming on them, but BOINC is their main goal in this life lol. Im hoping it wont take much of a hit in performance. Here is a review with an 5870 tested out on PCIex16-x8-x4-x1 lanes. When gaming, x4 is only a 5% drop, and x1 is a 25% drop. But gaming demands more bandwidth than crunching does IIRC

Here is a thread from the folding section. Not the original one I remember but its been done before multiple times.

EDIT: I used a soldering iron to melt away the back of the connector. Was going to use a Metabo(fast action steel cutoff wheel, like a really badass handheld grinder). But decided it may damage the pins on the connector. But when I got done, all the pins moved freely, only 1 didnt reset completely back down but is close enough that it will make good contact still
Edited by goodtobeking - 12/5/12 at 9:14pm
Bubble Bee Tuna
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GraphicsRAMHard DriveHard Drive
6970@950/1450 Samsung Wonder Ram 120Gb Phoenix SSD 120Gb Phoenix SSD 
Hard DriveHard DriveOptical DriveCooling
1Tb Western Digital HDD 1Tb Western Digital HDD Slim Slot stealthed Heatkiller 3.0 CU, Heatkiller 7970 CU with back... 
CoolingCoolingOSMonitor
Phobya 400mm radiator, EX 360mm radiator, misc ... Swiftech MCP35X2 Pump, Frozen_Q 250mm Liquid Fu... Windows 7 Ultimate Asus 1080P 
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OCN Edition Ducky with MX Blues Corsair HX 850 Corsair 600T Razor Lachesis 
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Bubble Bee Tuna
(20 items)
 
  
CPUMotherboardGraphicsGraphics
4770k@4.5 Asrock Z87 OC Formula 7970@1200/1600 6970@950/1450 
GraphicsRAMHard DriveHard Drive
6970@950/1450 Samsung Wonder Ram 120Gb Phoenix SSD 120Gb Phoenix SSD 
Hard DriveHard DriveOptical DriveCooling
1Tb Western Digital HDD 1Tb Western Digital HDD Slim Slot stealthed Heatkiller 3.0 CU, Heatkiller 7970 CU with back... 
CoolingCoolingOSMonitor
Phobya 400mm radiator, EX 360mm radiator, misc ... Swiftech MCP35X2 Pump, Frozen_Q 250mm Liquid Fu... Windows 7 Ultimate Asus 1080P 
KeyboardPowerCaseMouse
OCN Edition Ducky with MX Blues Corsair HX 850 Corsair 600T Razor Lachesis 
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post #6 of 6
Thread Starter 
Ok switched out for the 460 in place of the 5750. Windows still wont recognize the GPU though. Anything ideas??
Bubble Bee Tuna
(20 items)
 
  
CPUMotherboardGraphicsGraphics
4770k@4.5 Asrock Z87 OC Formula 7970@1200/1600 6970@950/1450 
GraphicsRAMHard DriveHard Drive
6970@950/1450 Samsung Wonder Ram 120Gb Phoenix SSD 120Gb Phoenix SSD 
Hard DriveHard DriveOptical DriveCooling
1Tb Western Digital HDD 1Tb Western Digital HDD Slim Slot stealthed Heatkiller 3.0 CU, Heatkiller 7970 CU with back... 
CoolingCoolingOSMonitor
Phobya 400mm radiator, EX 360mm radiator, misc ... Swiftech MCP35X2 Pump, Frozen_Q 250mm Liquid Fu... Windows 7 Ultimate Asus 1080P 
KeyboardPowerCaseMouse
OCN Edition Ducky with MX Blues Corsair HX 850 Corsair 600T Razor Lachesis 
  hide details  
Reply
Bubble Bee Tuna
(20 items)
 
  
CPUMotherboardGraphicsGraphics
4770k@4.5 Asrock Z87 OC Formula 7970@1200/1600 6970@950/1450 
GraphicsRAMHard DriveHard Drive
6970@950/1450 Samsung Wonder Ram 120Gb Phoenix SSD 120Gb Phoenix SSD 
Hard DriveHard DriveOptical DriveCooling
1Tb Western Digital HDD 1Tb Western Digital HDD Slim Slot stealthed Heatkiller 3.0 CU, Heatkiller 7970 CU with back... 
CoolingCoolingOSMonitor
Phobya 400mm radiator, EX 360mm radiator, misc ... Swiftech MCP35X2 Pump, Frozen_Q 250mm Liquid Fu... Windows 7 Ultimate Asus 1080P 
KeyboardPowerCaseMouse
OCN Edition Ducky with MX Blues Corsair HX 850 Corsair 600T Razor Lachesis 
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