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S > SHARP  > PC-1260 PC-1261 PC-1262   

PC-1260 PC-1261 PC-1262

These small pocket computers were derived from the PC-1251. They had same keyboard and size. The main difference was the larger display, which now provided two lines with 24 characters, which was a great advantage, especially for BASIC programming. The built-in BASIC interpreter was also close to the PC-1251 interpreter.

In 1984, the PC-1260 and PC-1261 were released. The only difference between these two was that the former had 4 KB RAM and the latter 10 KB. Internally, they were operated by the SC61860 CPU (8 bits), which was clocked 33% faster than in the PC-1251.

The CPU was mounted on the main PCB, together with the two display driver chips SC43536. Memory was incorporated on a second small PCB. The PC-1260 had the SC613256 ROM plus two HM6116 8K x 8 RAM ICs. The PC-1261 had the same ROM, but five "naked" RAM chips, i.e. chips without DIL case, mounted directly onto the PCB.

Two years later, the PC-1261 was re-released as the PC-1262. It was identical in functional terms, but had a different case color scheme. Internally, it was based on the same main PCB, but the memory PCB was now equipped with a SC623257 ROM, a HM6264 8K x 8 RAM, and a LH5116 2K x 8 RAM.

The picture represents a PC-1261 mounted on a CE-125 micro cassette recorder and thermal printer unit.

Information provided by Roman von Wartburg.

Please consider donating your old computer / videogame system to or one of our partners from anywhere in the world (Europe, America, Asia, etc.).


I had the same problem on a Sharp PC-1262. This one was laying around without batteries for several years and with new batteries it went straight to Japanese Modus. Removing the batteries and installing them while holding down the rest button reset the calculator to normal modus.

Sunday 1st May 2022
Elden (Germany)

Dear Andi Hi, pro is correct. I do it Thank you

Sunday 29th August 2021
Kamran (Iran)

I just fired up a PC-1260 and got the Japanese characters. However for me a few attempts at resetting with/without holding down a key brought up the European/USA mode. Can''t seem to find a manual in English but I have a 1251 manual so was able to figure out the RSV mode for example.

Wednesday 2nd December 2020
Ken (England)


NAME  PC-1260 PC-1261 PC-1262
TYPE  Pocket
YEAR  1984
BUILT IN LANGUAGE  Sharp Basic interpreter
KEYBOARD  52 keys, QWERTY caculator type with numeric key-pad
CPU  CMOS SC-61860 (8bits)
SPEED  768 KHz.
RAM  PC-1260: 4 KB / 3,198 bytes free
PC-1261, PC-1262: 10 KB / 9,342 bytes free
ROM  40 KB
TEXT MODES  2 lines x 24 chars. (LCD screen), 5x7 dot matrix
COLORS  Monochrome, grey LCD
SOUND  CPU controlled piezo buzzer, fixed frequency and duration via BASIC statement
SIZE / WEIGHT  135 (W) x 70 (D) x 9.5 (H) mm / 115 g (with batteries and hard cover)
I/O PORTS  Proprietary 11-pin expansion bus
POWER SUPPLY  6 volts, 2 x CR 2032 lithium cells
PERIPHERALS  CE-125 printer and micro cassette recorder
CE-126P thermal printer and tape interface
CE-152 tape recorder
PRICE  230 (PC 1260, France 1984)
411 (PC-1261, France, december 1984)
156 (PC-1262, Germany, 1986)

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