FPM main mem mixed with EDO video mem

FPM main mem mixed with EDO video mem

Post by John Staelen » Sat, 26 Apr 1997 04:00:00

I just bought a Creative Labs Graphics Blaster MA202 as an upgrade to my
PCI noname video card (with Cirrus Logic 5434 chip).  The Graphics
Blaster has a Cirrus 5446 chip and a great price.  However, my system
won't use it.  Immediately on power up I get 1 long beep followed by 3
short beeps.  The display comes up corrupted, with a number of vertical
bars of random charaters across the screen.  I used an old version of
Checkit under a DOS session to test the video memory and received
numerous memory parity errors.  I then experimented with motherboard
settings, including specifying the system memory was EDO, but nothing
worked.  I have 32 megs of standard, fast page mode ram on a 486 PCI
motherboard, AMI BIOS, AMD 133 cpu overclocked to 160.

I took the board back and exchanged it on the off chance that it was
defective, but the new board did exactly the same thing.

It now occurs to me that I can't mix EDO video ram with FPM system ram.
I would like to know if anyone has run into this problem and if changing
system ram to EDO would fix the problem.

Somewhere in the Wilds of Western Massachusetts


1. Need System Call to return %MEM (kernel mem) used by process

I need a process to be able to monitor the %MEM (kernel memory) used by
itself, and various points over time.

I believe the info is somehow stored in /dev/kmem (SUN machine).

So, I guess I want (1) any system call info and (2) any info (.h files, etc)
on /dev/kmem.


Richard B. Mosher            

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