[wplug] 32 bit ISA graphics card?
MICHAEL M DELANEY
mmdst23+ at pitt.edu
Tue Oct 9 14:29:04 EDT 2001
I just thought of something we mentioned in my computer interfacing class.
The bus bandwith needed to get 1024x768 with 32 bit color depth was ~
150MB/s, and the total bandwith of the ISA and EISA bus's were a lot lower
then that. What res were you planning on using? You could end up trying
to get better performance then the card/bus is capable of.
Mike
On Tue, 9 Oct 2001, Brian Sammon wrote:
> > Does anyone know where I could get a 32 bit ISA graphics card for a 486? Any
> > information will be appreciated.
>
> I'm guessing you mean a graphics card that can do 32-bit color. Depending
> on the resolution you want, that means either 2MB or 4MB of memory.
>
> I had the hardest time finding an ISA video card that I could get working
> with 2MB supported. You might want to check the XFree86 docs before
> buying a card; if I remember correctly, I bought a 2MB ISA card that
> XFree86 only supported 1MB of. (or maybe it was a 4MB that XFree86 only
> saw 2MB of)
>
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