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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


 

 

NAME  OP 544 / OP 644
MANUFACTURER  Olympia
ORIGIN  Japan
YEAR  1982
END OF PRODUCTION  Unknown
BUILT IN SOFTWARE / GAMES  Basic interpreter
CONTROLLERS  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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