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Sharp PC-1270 Pocket Computer
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These cards are no longer in production by Sharp Electronics, however PROM Software carries a significant inventory of reconditioned RAM cards These cards have been restored to "nearly-new" condition, and have been tested to make sure they perform properly. They come with a 30-day replacement warranty. A fresh backup battery (CR-1616 Lithium battery) should be installed in the card before it is placed in service. While installed in a PC-1270 calculator, the card uses the calculator's power supply and the backup battery is not used. The life of the backup battery is 5 years or more if the card remains in a calculator with useable batteries. If the RAM card is stored removed from the calculator, the life of the backup battery is about 12 months (depending upon the size card and the ambient temperature). The program in the card is lost when the backup battery is changed and when the ALL RESET button is pressed..
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| RAM card Specifications |
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| Sizes available | 2K (CE-210M) 4K (CE-211M) 8K (CE-212M) 16K (CE-2H16M) 32K (CE-2H32M) (See note) 64K (CE-2H64M) (See note) (Supplies of 2K and 4K are very limited) Note: These larger sizes were made for other Sharp calculators and they will not work in the PC-1270. Quantities are very limited in these larger sizes. |
| Calculators | Designed for Sharp PC-1270 and several other Sharp pocket computers. |
| Power Source | 3 V DC. Uses PC-1270 batteries for power. 1 x CR-1616 Lithium battery for backup when not in a calculator. Battery life with card kept in PC-1270 calculator is basically shelf-life of the CR-1616 battery (about 5 or more years). Battery life with card removed from PC-1270 calculator is about 12 months (life will vary with temperature). |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Dimensions W x D x H |
42 mm x 54 mm x 2.8 mm 1-21/32" x 2-1/8" x 1/8" (inches) |
| Weight | 15 g (0.03 lb) including battery |
| Transfer of Programs | Programs stored on RAM cards
that are not password protected can be transferred to a standard
cassette player using the provided Cassette connecting cable.
Programs can be transferred from one PC-1270 to another with the EA-129C Interconnecting Cable provided the program is not password protected. PROM's SBC Development System can also be used to program RAM cards. |
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