SigmaSoft and Systems
Location: Dallas, TX
Previous Location: Kingston, OK
Note: Permission has been recieved from Clay Montgomery to post these manauls.
Interactive Graphics Controller(IGC)
Superior Graphics and A Pseudo Disk for $495
For H8-19, H88, and H/Z89-90, 640 x 250 resolution, provides up to 640 x 500 in interlace mode, and advanced high-level graphics language interface, a RAM-based disk drive emulator, two graphics input device ports and two Centronics parallel printer ports. $495
Article: Interactive Graphics Controller
Hard Disk Systems
From 10 MB up to 67 MB. Includes Z37 compatible floppy disk controller. Uses a single left-side slot. Up to 16 Data partitions from HDOS, CP/M, or Both. Cold boots HDOS and Heath CP/M (requires MTR-90).
Manual: Disk System User's Manual
Article: Hard Disk System
Technical Overview: Hard Disk System
Universal Parallel I/O Board $95
Provides two full Centronics parallel interfaces. Up to 3 board can be installed in an H89, providing up to 6 parallel devices. Supports printers, joysticks, and track
SigmaSound Board (Less Joystick) $95.00
Joystick Controllers (Set of Two) $25.00
SD.DVD Device Driver $10
Arcade Games Package (Requires Joysticks)
Computer Aided Drafting System for the H/Z-89 with the IGC.
Manual: CAD-89 User's Manual
Founder: Clay D. Montgomery
Current Status: closed