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Bad PCIe lane?

Hopper64
Level 15

‎08-16-2013 05:29 AM - last edited on ‎03-06-2024 08:06 PM by Community Admin

Just installed a second Titan in lane 3 (B2). Power connected and SLI bridges installed. The second card is not recognized. The PCIe lane light on the motherboard is not lit up. Bad PCIe lane???? Ideas? Thanks.
MZ790AE Bios 9933, GSkill F5-8400J4052G24GX2-TR5S, 14900KS, EKWB D5 TBE 300, Seasonic Prime TX-1600 ATX 3.0, Asus Strix 4090 w/ HK block, Phanteks Enthoo Elite, Asus Claymore 2, Asus Gladius 3, Asus XG349C, Crucial T705, Windows 11 Pro
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9 REPLIES 9

Praz
Level 13

‎08-16-2013 06:08 AM

Is the PCIe switch for that lane turned on? Have you tried the card in the first slot?
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tObber
Level 7

‎08-16-2013 06:11 AM

Do you have any of the PCI-E lanes 4 & 6 occupied? (sound card, RAID card etc.)

If so, lane 3 (B2) will be disabled


/T.
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Praz
Level 13
In response to tObber

‎08-16-2013 06:16 AM

tObber wrote:
Do you have any of the PCI-E lanes 4 & 6 occupied? (sound card, RAID card etc.)

If so, lane 3 (B2) will be disabled


/T.

This was my thought also but the system details don't list any other PCIe devices.
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Hopper64
Level 15

‎08-16-2013 06:53 AM

Yep, you are right. I have a sound card in slot 6 deactivating that third slot. Missed that in the manual. Thanks.
MZ790AE Bios 9933, GSkill F5-8400J4052G24GX2-TR5S, 14900KS, EKWB D5 TBE 300, Seasonic Prime TX-1600 ATX 3.0, Asus Strix 4090 w/ HK block, Phanteks Enthoo Elite, Asus Claymore 2, Asus Gladius 3, Asus XG349C, Crucial T705, Windows 11 Pro
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Hopper64
Level 15

‎08-16-2013 07:42 AM

Update my sig. Sorry to waste your time.
MZ790AE Bios 9933, GSkill F5-8400J4052G24GX2-TR5S, 14900KS, EKWB D5 TBE 300, Seasonic Prime TX-1600 ATX 3.0, Asus Strix 4090 w/ HK block, Phanteks Enthoo Elite, Asus Claymore 2, Asus Gladius 3, Asus XG349C, Crucial T705, Windows 11 Pro
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Praz
Level 13

‎08-16-2013 08:25 AM

No time wasted. 🙂
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Hopper64
Level 15

‎08-16-2013 08:34 AM

Thanks. Appreciate it.
MZ790AE Bios 9933, GSkill F5-8400J4052G24GX2-TR5S, 14900KS, EKWB D5 TBE 300, Seasonic Prime TX-1600 ATX 3.0, Asus Strix 4090 w/ HK block, Phanteks Enthoo Elite, Asus Claymore 2, Asus Gladius 3, Asus XG349C, Crucial T705, Windows 11 Pro
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HiVizMan
Level 40

‎08-16-2013 08:52 AM

The funny thing is how many folks will actually be helped by this thread. Many search engines crawl this forum and toss out ROG threads hight up the listings. So thanks for posting and thanks for confirming what the solution or cause in this case was.

This is the reason why folks should post their question in the open forum and not PM staff or other members for help. Others learn from our experiences and all benefit as a result.
To help us help you - please provide as much information about your system and the problem as possible.
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Hopper64
Level 15

‎08-16-2013 09:21 AM

Yes, agreed. I call myself reading the manual previously on this type of installation, but I guess I just forgot about it.

Thanks again for the help.
MZ790AE Bios 9933, GSkill F5-8400J4052G24GX2-TR5S, 14900KS, EKWB D5 TBE 300, Seasonic Prime TX-1600 ATX 3.0, Asus Strix 4090 w/ HK block, Phanteks Enthoo Elite, Asus Claymore 2, Asus Gladius 3, Asus XG349C, Crucial T705, Windows 11 Pro
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