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Video Card or Monitor won't work when...

Trish's Escape from Hardware Hell Help Board » Hardware » ...All the Rest » Video Card or Monitor won't work when I install Modem « Previous Next »

Author Message
Jack Alexander
Posted on Wednesday, April 3, 2002 - 12:50 am:   

I am building a new system with the ECS EliteGroup Motherboard w/ SIS 735 chipset, and 1.2 Ghz AMD. I started out using the PCI video card from my old computer, no problems. When I added the PCI 56K Creative Modem to the system and rebooted, there was no display on monitor. I had to remove the modem and reboot twice for my display to return.

I thought maybe it had something to do with the PCI card so I tried a newer AGP 16MB Nvidia video card and had the same problem. I looked for hardware conflicts and there doesn't seem to be any, however, I noticed that alot of things are using IRQ 11 which is what the Nvidia card says is best for the video card. That card was assigned to IRQ 5 and works fine there. The problem only happens when I add the modem. Any ideas what the problem could be? Could it be the chipset?

I know at least one PCI slot works because the older video card worked fine in one. I used the same slot for the modem when I tried using the AGP video card, but no video display. I tried other PCI slots too for modem, but no luck. Thanks,

Posted on Wednesday, April 3, 2002 - 6:45 pm:   

I had similar trouble with an ESS Teledrive 56k PCI modem and a SiS 530 chipset Motherboard it was definatly a problem with IRQ's and PCI steering. A different chipset Modem (Lucent I think) took care of it.

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