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I have a Shuttle SG31G2 that has an Intel G31/ICH7 chipset, one PCI slot, and one 16x PCI Express slot. I want to add a better gigabit NIC to it, and the PCI slot is already in use by a SATA card. According to this this diagram of the chipset, the x16 PCIe slot is connected differently than the other PCIe slots.
If I put a non-graphics PCIe card into this slot, will it work? Has anyone tried this? This may seem like a dumb question, but this guy was not able to do it on a Shuttle SB81P with a Intel 915G/ICH6R chipset, which has a similar diagram.
Results
This configuration worked for me. I was able to install a network card in my "graphics" PCIe slot, and my onboard video continued to work (at least through the VGA port, the DVI port could have been disabled, but I don't use it so I don't know). This behavior appears to depend on the motherboard, so you may not have the same results with yours.
Related: https://superuser.com/questions/513876/pcie-x1-card-in-a-x16-slot-computer-wont-turn-on
– try-catch-finally – 2018-09-02T07:42:51.497good question, in fact, on shuttle.eu one typically sees
1 x PCI-Express x16 v1.0 (for graphics cards only)
– Andre Holzner – 2011-05-11T07:56:28.193I am also facing the same problem with PCI-e slots. I want to use a PCI-E x1 NIC card on a PCI-E x16 slot. Physically, the card was placed perfectly, but when I switched on my PC, my display/monitor did not switch on. I came to know that the x16 slot is dedicated only for the graphics card. This seems logical because no other cards have that much speed, compatible with x16 slot speed, VGA/GRAPHIC is directly connected to the motherboard and transfers data with the same speed. – None – 2011-10-10T21:10:32.457
@wasim For me, the integrated VGA video still worked with a card in the "graphics" slot. It probably depends on the motherboard. – Kaypro II – 2011-10-17T22:17:51.003
I did some more digging, and apparently installing a PCIe card on this motherboard works, but any card will disable the integrated DVI port (the VGA port is unaffected, apparently). – Kaypro II – 2009-12-31T21:19:16.123
I installed a PCIe network card, and I can confirm that it works and the VGA port is unaffected (I didn't check the DVI port because I don't use it). – Kaypro II – 2010-01-17T07:43:12.490