IBM 5170 - PC AT
Left: CGA configuration, IBM 5153 monitor, Model F AT keyboard Right: EGA configuration, Amdek 722 monitor, Model M keyboard

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IBM 5170 - PC AT
Left: CGA configuration, IBM 5153 monitor, Model F AT keyboard Right: EGA configuration, Amdek 722 monitor, Model M keyboard
!! NEW GUY ALERT !!
Found on one of my Wiby trips (search engine for the old web and things based on it, pulling from sites that don't use any JavaScript), an IBM library floating around on the web. Not sure how official this is/was, but all the links still seem to connect.
Reblog if you agree that 640k of ram is OK and will click wholeheartedly while doing so
Shit. Welp, there goes the MFM hard drive in my 5170
Paku-Paku on the IBM PC AT in an obscure CGA mode that sacrifices resolution (160 x 100) in exchange for 16 colors on screen at once. Most commonly used CGA modes only allow 4 colors on screen at any given time.
Controlling an IBM 5170 via the COM port using a Commodore PET-2001-32N as a serial terminal. It doesn't get much more bizarre than this.