Home / Museum / Hewlett Packard / HP-71B
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Technical specifications |
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RAM (total) |
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16 / 20 / 24 / 28 /
32 Kb (0 to 4 HP official 4 Kb modules) |
RAM available |
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16,955 / 21,051 / 25,147 / 29,243 / 33,339 bytes |
ROM |
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64 Kb |
CPU |
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HP Saturn, 4 bits CMOS |
Text screen |
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1 line of 22 characters |
Graphic screen |
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8 x 132 pixels |
Sound |
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Tune and duration adjustable |
Size |
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192 x 96 x 25 mm |
Weight |
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305 g. with batteries |
Year |
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1984 |
Power |
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4 AAA alkaline batteries, 8 Volts power adaptor |
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Extensions |
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Memory |
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82420A 4 Kb |
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Corvallis 32 Kb |
Printer |
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82162A Thermal technology (using the HP-IL interface) |
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2225B Ink Jet technology (using the HP-IL interface) |
Storage |
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82400A Integrated magnetic card reader |
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82161A Digital cassette drive (using the HP-IL interface) |
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9114A Floppy disk drive (using the HP-IL interface) |
I/O |
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82401A HP-IL peripheral interface |
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82402A Dual HP-IL peripheral interface |
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82164A RS-232 interface (using the HP-IL interface) |
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82165A GPIO interface (using the HP-IL interface) |
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82168A Acoustic coupler modem (using the HP-IL interface) |
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82169A HP-IB interface (using the HP-IL interface) |
Others |
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92198A Video interface (using the HP-IL interface) |
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