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137 posts

Master Geek
+1 received by user: 6

Topic # 60836 4-May-2010 11:06
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A client of ours has been having some major issues with his new gaming rig.

He's recently purchased an Asus P7P55D-E Pro mobo, Intel Core i7 #860, 2x Asus 1GB ENGTS250's, 2x 2GB Hynix DDR3-1333 RAM, and an Acbel PSU (900-1000W).

After everything was put together and the usual drivers installed, so far, so good.

But when he rebooted after a normal SLI setup, he started reporting BSoD's, which only seem to go away when run in Safe Mode. He's checked the drivers and the PCI-E brick connectors, updated the mobo firmware, clean re-installed, and the problem still persists. The same issues were present with 2x Asus 1GB EN9800GT's he originally purchased which were later exchanged for the GTS250's.

He appears not to be the only one having these issues, so I can only hazard a guess that there's an engineering/design flaw at play.

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8025 posts

Uber Geek
+1 received by user: 387


  Reply # 326454 4-May-2010 13:30
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You'll have to follow a process of elimination to isolate which part or parts are at fault.

- Tried the two video cards in a different system/motherboard?
- Tried a different PSU with this system?
- etc

My money is on the PSU not delivering enough jucie under load on certain rails or motherboard fault.

137 posts

Master Geek
+1 received by user: 6

  Reply # 326751 5-May-2010 09:39
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Stop Press...

The video cards have been tested in a different machine in SLI, and they've passed with flying colours. A lower-grade PSU was also tested and it's working normally too. Stress tested the RAM, ditto. The test machine was also running Windows 7 with both the drivers from the CD and the latest nVidia drivers, so it couldn't be a software issue. These tests were repeated several times with no problems at all.

Which leaves the motherboard. It worked normally with a single card installed, but started BSoDing with two. Having sought a 2nd opinion from qualified technicians, our client has concluded that the fault lies with an design flaw.

8025 posts

Uber Geek
+1 received by user: 387


  Reply # 327029 5-May-2010 18:40
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Bummer, having to RMA the motherboard sucks. Hopefully it's a one off fault not a problem with the model.

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