[SATLUG] An AT (antique computer) question
astro at astr0.org
Wed May 7 20:56:19 CDT 2008
I have a few old ISA cards if your interested.
Sent from my iPhone
On May 7, 2008, at 19:06, Don Crowder <donguitar at gmail.com> wrote:
> herb cee wrote:
>> Don Crowder wrote:
>>> Right next to those RAM sockets is what looks like an ordinary
>>> PC100 RAM slot (I'm guessing I should have typed PC66 but that's
>>> only conjecture on my part as I've never seen one). What's the
>>> story on that third, different slot? Does anyone know?
>> Hey Don, I think that socket is to take an external CPU buffer. As
>> I recall the slot does not have the clamp-downs at each end and I
>> think only had a single divider about 1/3 the way from one end.
> Nope, it's got the clamps and two key "humps". I plugged in a PC100
> card just to confirm that and it fit perfectly (though I didn't
> apply power with it plugged in).
>>> Next, the thing doesn't have enough onboard video RAM to get above
>>> four-bit, 640 X 480 resolution. I plugged in a PCI video card but
>>> couldn't make it work. I couldn't find any reference to video in
>>> the bios and couldn't find a physical jumper either. It's got two
>>> PCI slots and two AGP slots but I don't have an AGP video card.
>> Hmmmm I don't think AGP goes back that far are you sure they are
>> not ISA slots.
> I'm sorry Herb, there I go stumbling over nomenclature again. Of
> course they're ISA slots.
>> Also just a note is that a lot of those older mobo's only have an
>> mfg's ID on the bottom side of the card.
> There are tables printed on the top of the board but no numbers
> anywhere and it didn't occur to me to take the thing apart looking
> for a number. I suppose I could do that though.
> There a little four row of four pins labeled with something about
> digital audio and next to them is a pair of jumper pins labeled
> "YP" (as best I could tell) but there's no shorting clip on them.
> Maybe there oughta be? I'm pretty sure the audio pins were intended
> for front panel jacks on the case, which this case lacks.
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