Tall Tree Systems`JRAM-3'

From: Tothwolf <tothwolf_at_concentric.net>
Date: Sun Dec 2 11:43:33 2001

On Sun, 2 Dec 2001, Robert Schaefer wrote:

> That would make the card in slot three the video card. I thought the third
> card was a combo IO card. It has a hayes 1200b modem in slot two.

Slots don't matter much on the IBM PC/XT except for slot 8, which was
reserved for something (I can't remember exactly what right now.) Clone
PC/XT boards usually did not restrict slot 8. There could be more than one
I/O card in these old machines, since you could disable certain functions
on the cards, and use more then one in the same machine. Since there is a
modem in that machine, I would expect that there is only one enabled
serial port on any I/O cards.

> Any idea where I can get docs ? I'd imangine it'll need a driver to
> use the extra ram.

Good luck on the docs, sometimes they can be had by talking to the board's
original manufacturer. Due to all the clones and cheap I/O cards that
appeared around that time, finding the company may not even be possible
now. If you know someone with an older MicroHouse cdrom, it might contain
docs that could help you. Sometimes even docs for a similar card can be
used, since there were many many clones and copies of boards.

You won't need a driver for most PC/XT ram cards, since they just expand
the base memory. If the I/O card has a real time clock, then you would
need a special program to read the clock at boot time.

-Toth
Received on Sun Dec 02 2001 - 11:43:33 GMT