82114930-002

Availability: In Stock


Availability: In Stock

Yamatake MOS CRT-B1 board

The CRT B1 card has the RAM used for storage of displaying data. It also contains the PROMs used for character generation. Board has no jumpers, but has several LEDs.


Board Position Description
DS1 • Occasionally lit when character mode changes.
DS2 • Lit while in small character mode.
DS3 • Lit while in normal character mode.
DS4 • Lit while in Honeywell character mode.
DS5 • Normally off. When lit indicates a ROM failure.
DS6,7,8 • Periodically lit to indicate firmware operation state.
When station in reset and lit it indicates RAM failure.
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