Rainbow 100-A

A 36-year-old Computer by Digital Equipment

Emulated in MAME !

Information for the following ROM(s): rainbow100a


Rainbow 100-A © 1982 Digital Equipment Corp.


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The 100-A model was the first produced by Digital. The distinguishing characteristic of the 100-A model from an end-user perspective was that the earlier firmware did not support booting from a hard disk.

Versions of the 100-A shipped outside the USA included a user-changeable ROM chip in a special casing. The user changed the built-in ROM for this one to support their keyboard layout and language of the boot screen.

Machine's bios.