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Category Archives: PS/2
Learn Something Old Every Day, Part V: Early IBM PS/2 Hard Disks
So I have been (again) trying to properly archive old MS OS/2 SDKs. The version 1.02 SDK from December 1987 (corresponding to OS/2 1.0) turned out to be a bit of a poser. The SDK came on both 3.5″ and … Continue reading
Posted in ESDI, IBM, PC history, PS/2
16 Comments
Audio Frequency Data Acquisition
Readers of this blog may have noticed that besides OS/2 software, I have interested in PC sound cards. I thought I had a decent idea about the major milestones in PC sound history, but I had to perform a few … Continue reading
Posted in IBM, MCA, PC hardware, PC history, PS/2, Sound, Sound Blaster
17 Comments
More Wobbles
This is a follow-up to a previous post. I’ve had a chance to spend more time recovering the two dead PS/2 Model 80s. The first step was replacing the CMOS batteries because without a functioning backup battery, a PS/2 is … Continue reading
Posted in Floppies, IBM, PS/2
10 Comments
Wobbly Floppy Drive?
Over the weekend I tried to revive a PS/2 Model 80 whose CMOS battery died (after 25 years!). Finding a replacement battery fortunately isn’t difficult (6V lithium “photo” battery), but recreating the configuration informationĀ of course requires a reference floppy and … Continue reading
Posted in Floppies, IBM, Plug and Play, PS/2
30 Comments