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O > OLYMPIA  > OP 544 / OP 644   


Olympia
OP 544 / OP 644

The Olympia OP-544 was the same machine as the Casio PB-100.

The OP-644 also had the same specifications, but featured a built-in 20-line thermal printer and a better keyboard layout with a true space bar. It was actually a Casio FX-802P

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NAME  OP 544 / OP 644
MANUFACTURER  Olympia
TYPE  Pocket
ORIGIN  Japan
YEAR  1982
END OF PRODUCTION  Unknown
BUILT IN LANGUAGE  Basic interpreter
KEYBOARD  53 keys with numeric keypad
CPU  HD61913 CMOS VLSI
SPEED  455 kHz ceramic resonator used as system clock
RAM  1 KB (544 bytes for Basic programs) up to 2 KB
ROM  12 KB
TEXT MODES  1 line x 12 chars plus a 4 digit seven segment display part
GRAPHIC MODES  None
COLORS  Monochrome LCD
SOUND  None
SIZE / WEIGHT  165 (W) x 71 (D) x 10 (H) mm / 116 g (with batteries)
I/O PORTS  12-pin expansion port for printer and cassette interface
11-pin internal slot for memory module
POWER SUPPLY  2 x CR-2032 lithium batteries
PERIPHERALS  CI-546 cassette interface, and all Casio PB-100 extensions
PRICE  Unknown


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