Ultimeth Software

Dean Gibson from Ultimeth Software granted permission to post the software and manuals:

"Permission granted! Sincerely, Dean Gibson"

Ultimeth Software provided drivers for several different hardware items:

  • HDOS Hard-sectored driver supporting double-sided, 80-track floppy drives
  • HDOS MMS Soft-sector controller
  • MTRHEX / MTROCT - replace ROMS for the Heath H89 (ROM image) - (MTRHEX Manual).
  • MTR4K - replace ROM for the Heath H89 (ROM image) - (manual wanted).

Old Ultimeth Software product list

The company is still in existence, see what they are up to on the Ultimeth Systems website.

Software

Title

Description

Software

Manual

Original Price

 DKH17V3

HDOS 2.0 hard-sectored driver supporting double-sided/80-track floppy disk drives

 DKH17V3_Driver.h17disk

Manual

$40

 DKFMDV3

HDOS 2.0 driver supporting Magnolia Microsystems 77316 Soft-sectored controller.

 Magnolia_DKFMDV3_Driver.h17disk
Magnolia_DKFMDV3_Driver.h8d

Manual

$50

CACHEMMS.ABS/AXMMS.DVD

HDOS 2.0 driver supporting Magnolia Microsystems 77318 128k RAM board.

WANTED

WANTED

$50

CACHES89.ABS/AXS89.DVD

HDOS 2.0 driver supporting DG Electronics Development's SUPER-89 CPU Board.

WANTED

WANTED

$50

CACHEDG8.ABS/AXDG8.DVD

HDOS 2.0 driver supporting multiple DG Electronics Development's 64k memory boards in the H-8.

WANTED

WANTED

$50

MMS4MHZ

Set of patch files and instructions for converting MMS CP/M 2.242 to 4 MHz CPU operation

WANTED

WANTED

$45



 

Last Modified: Wednesday, 21-Aug-2024 21:08:41 PDT

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This site is dedicated to preserving the history of the original Heathkit computers. This includes the 8-bit H-8 and 16-bit H-11 systems, released in 1977, and the 8-bit H89 which was released in 1979.