I am going to make some assumptions here because you have failed to
provide pertinent information about your configuration and system specs,
not to mention the new cards you are installing. I will list these
1) system does not have an AGP slot on MB, or if it does, it is first
2) there may be one ISA slot on the MB, possibly two, but shared with PCI
3) new "scanner" card is a low end SCSI card with an external connector
only. It is a PCI device
4) the NIC is a PCI device.
5) you have in fact applied all relevant patches for your OS.
On some older systems, the implementation of PCI on the MB was in a
transitional state, leading to some very strange conflicts. This made it
necessary to swap the positions of cards in the slots to get them to
work. Order of detection, and therefore assigning IRQs is important. It
may be that you need to try this out, and see what happens.
Occasionally, two peripheral cards were not well designed, and would end
up conflicting with each other and clobbering something else on the
system. I have this problem with two of my old cards in a a new system.
put them both in together, and the floppy drive can't act as a boot
device, but it performs fine otherwise. Take either one of the cards out,
and the FD works like a charm. PCI conflict between the two cards.
Also, Windows itself can do funny things. You may need to verify that the
IRQ settings in the PCI bus are not being changed from what the hardware
detection set them to. WIndows 95 likes to flip the order around, which
can cause problems.
Why are you still running Windows 95? Move up to Win 98 SE, and a lot of
your issues should go away. Mind you, you'll get some new ones, but
easier to fix.
If the scanner card is an ISA device, then you need to ensure that you are
putting it into a slot that does not conflict with the PCI slots. Also,
make sure that you have all the right drivers.
These comments are by no means exhaustive, and are a starting point only.
Your mileage may vary.
> I have a 2nd hard drive installed on the computer.
> Tried to install a network card and a scanner card.
> Powered on the computer and it would go through a memory test and go
> up to 16000. There would be memory error message 201. Windows95 would
> start to come on, memory test again, windows, on and on
> It is beeping 6 times-2 long and 4 short beeps upon powering up.
> Went into setup menu and selected revert to factory settings.
> Turned off the computer. Turned it back on.
> The 2 cpu lights come on-green and amber. The keyboard does not light
> up. The monitor remains blank and drive A does not light up.
> I put a rescue disk in drive A and it is not seen.