The Z-90 computer was nearly identical to Heath Company's H-89 computer, but this system came factory-assembled and with a soft-sectored floppy drive controller (Z-89-37) instead of the hard-sectored floppy drive controller (H-88-1) that came standard on the H-89.
From the 1982 Heath Catalog:
Z-90-80, Assembled with 64K RAM, Z-89-37 Soft-Sectored Disk Controller, no internal disk storage (use Z-37 below) and three serial ports, 62 lbs.......... 2895.00
Z-90-82, Assembled with 64K RAM, Z-89-37 Disk Controller Board, built-in floppy disk drive for 160K byes of data storage (use Z-87 for additional storage if needed) and three serial I/O ports, 55 lbs......... 3195.00
Z-37, Assembled Dual-Sided Disk System with two drives for 1.28 megabytes of data storage (requires Z-89-37 below for use with Z-89, 28 lbs..... 1995.00
Z-87, Assembled Single-Sided Disk System with two drives up to 320K bytes of data storage, 28lbs.......... 1195.00
Back to heathkit.garlanger.com, or back to garlanger.com
If you have any question or comments, or if you have any old Heathkit equipment or software available, please contact me at: mark (at) garlanger (dot) com