|HP 87XM from 1983|
|CPU:||Custom HP 8-bit @ 0.625MHz|
|ROM:||48KB BASIC, Printer ROM, Mass Storage ROM|
|Display:||10" CRT (white), 24 rows x 80 chars text, 544x240 dots graphics|
|Ports:||4 cartridge slots, HP-IB|
This unit came with a ROM drawer with the following ROMS:
The missing area in the graphics demo picture is an artifact of the camera shutter.
I later acquired a 82901M dual-floppy unit. The fan was caked with dirt, and neither of the drives would turn (although they did step). Internal voltages looked good. I pulled the drives and found that both spindles were hard to turn, so I dropped some sewing machine oil into the bearings. Everything started working, and I ran several programs from the DEMO DISC (see pictures).