Uploaded February 2023 | Updated September 2026, 2 weeks ago

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Take a deep dive into the Intel Above Board PS / AT with a 25MHz 486. Is it any good for running Doom? Is it any good as a disk cache? I'll examine using Central Point Software PC-Tool 4.2 disk cache on this system too!

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00:00 Intro
01:21 Project background
03:36 Above Board overview
07:25 Prelude to fail
08:10 SpeedSys fail
09:02 Second Above Board
13:04 SpeedSys for real
19:08 It runs Doom
26:06 Disk cache instead?
28:24 Driver fail
32:10 Disk cache fail
33:44 Disk cache success
34:27 Benchmark setup
39:50 Data analysis
42:14 Disk loads during the demo
43:23 Should you use one?
46:06 Closing words

Documentation and drivers for Intel Above Boards (many models):

minuszerodegrees.net/manuals.htm#Intel