Posts tagged with “MULTIDOS”

The Lobo MAX‑80

The Lobo MAX‑80 was a TRS‑80 compatible computer sold by Lobo Systems (originally known as Lobo Drives International). Introduced at the 1982 National Computer Conference (where one could be reserved for a $100 deposit), the MAX‑80 offered an impressive array of features including:

a Z80B running at 5.

ULTRADOS

ULTRADOS was the first TRS‑80 operating system written by Vernon Hester. Introduced in September 1980, ULTRADOS was sold by Level IV Products, a software and hardware retailer based in Michigan. The regular price for ULTRADOS was $119.95 but the introductory price of $89.95 lasted for several months. ULTRADOS was for the Model I only; there never was a Model III version.

Originally called Level IV DOS, ULTRADOS began life as a heavily patched version of Model I TRSDOS.