Atari Pc-1 8088.
8088-2 Processor
512k RAM (can be upgraded to 640K)
Onboard EGA Graphics (NSI Logic EVC315-S)
Chinon FZ-502 5.25″ 360K Floppy Drive
Atari PCM-124 12″ EGA Monochrome Monitor (Amber screen)
Atari 83 Key XT P.C. Keyboard
Atari PCH204 20MB Hard Drive Unit (present but not currently working)
More details shortly