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S > SHARP  > SM-B-80TC   


In 1978, the Sharp parts division, in charge of semiconductor sales, became one of the first second source distributor of Zilog CIE. In order to promote the LH-0080 (Sharp Z80) and associated chips, the division thought up and sold two training cards based on the LH-0080 processor and the LH-0081 PIO chip. These two cards were the SM-B-80TE and the SM-B-80TC.

The major difference between these two models is the keyboard that is here separated from the main board. Still, the keys and display arrangements are exactly the same as the 80TE. It could also be connected to the 80TE system.

Programs entered could be recorded on a cassette tape. A a second I/O connector, managed by a Sharp Z80 PIO allowed the user to connect peripheral devices like a printer. The board could be a part of a larger computer made of several cards mounted onto a backplane due to a second large 100-pin connector (S-100?).

Thanks to Ohishi Nuboaki and his Sharp MZ dedicated

TYPE  Home Computer
YEAR  1977
BUILT IN LANGUAGE  Hexadecimal monitor
KEYBOARD  Mechanical 25 keys - Hexadecimal and function keys
CPU  Z80 (LH-0080 Sharp version)
SPEED  2.4576 Mhz.
RAM  1 KB static RAM expandable to 3 KB (2114 chips)
ROM  1 KB expandable to 2 KB
TEXT MODES  8 x 7 segment Led display
SIZE / WEIGHT  27 (W) x 19(D) cm. Keyboard: 13.9(W) x 19(D) cm.
I/O PORTS  100-pin expansion connector, 2 x Z80 PIO interface connectors
BUILT IN MEDIA  Cassette interface (1200 bauds)
POWER SUPPLY  External 5V / 2A power supply unit
PRICE  Unknown

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