IBM PS/1 2011

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Devalis

New Tinkerer
Dec 5, 2021
16
0
1
Has anyone reverse engineered the expansion connector in this PC? I did check and it's the same pin pitch as a PCI connector, minus about four pins. I was wondering if anyone has already tried to make an ISA adapter to fit like one 8 bit card in this machine.
 

Devalis

New Tinkerer
Dec 5, 2021
16
0
1
I found some info here, looking more into it:

 

RetroTheory

Tinkerer
Oct 17, 2021
80
124
33
I did something like this a few years back, mainly to use cheaper sound cards but it works with a modified XTIDE bios and also works with ISA SCSI cards and network cards.

Here is the github and gerber files if you wanted to make your own, its very simple.

 

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RetroTheory

Tinkerer
Oct 17, 2021
80
124
33
Yes, but some 16bit cards may interfere with the floppy.
Here is a picture with a tandy style sound card
 

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Devalis

New Tinkerer
Dec 5, 2021
16
0
1
Awesome. I plan on making this the best PS/1 2011 I can with this, Gotek, XT to IDE, RAM and maybe a bit of an overclock.