Re: Harm to PCI Express Video Output by PCI modem
- From: nospam@xxxxxxxxxx (Paul)
- Date: Thu, 08 Jun 2006 18:53:54 GMT
In article <1149775900.928419.174170@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>, "dro"
<olson@xxxxxxxxxx> wrote:
Help!!! I somehow made it impossible to use a PCI Express card on my
ASUS A8N-Sli motherboard. This is what I did. I put a Diamond Supramax
PCI modem card in the bottom PCI slot on my motherboard. This modem had
been working in another computer. But now it caused the system to crash
and when I tried to reboot, my ATI X1800 XL video card would not post.
There was a long beep and the audible message: System failed VGA test.
This kept occurring even after I took out the modem card!!
Since I couldn't get into the BIOS I put an old PCI video card in one
of the PCI slots and it booted up fine. Then I tried to go into BIOS
and find out what might be wrong. I tried a couple of things, like
making my PCI Express the primary boot and choosing Single video card
but nothing works. I went into system to see if there was an Interrupt
conflict but couldn't see anything wrong there either. Does anyone have
a suggestion?
The pinout for a PCI Express slot is shown here:
http://www.tomshardware.com/2004/11/22/sli_is_coming/page2.html
http://images.tomshardware.com/2004/11/22/sli_is_coming/pcie-slot-big.gif
I don't see what the cards could be sharing in common - maybe the
wake- signal (wake = PME ?) ? It is hard to see, how too high a voltage
signal, would get from the PCI slot, to a PCI Express slot. I don't even
see an interrupt signal on the pinout. (Presumably interrupts are
in-band on the PCI Express ?)
I guess it is warranty return time, for your video card. And don't plug
that modem in again :-) Maybe a USB modem would be a bit safer.
I trust you were adding and removing hardware, with the computer
powered off or unplugged. If the green LED is lit on the motherboard,
when adding or removing hardware, then stuff can get damaged. That
would make more sense.
Paul
.
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