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S > SINCLAIR  > QL (Quantum Leap)   

QL (Quantum Leap)

The Sinclair QL was the first attempt for Clive Sinclair to produce a computer for business. But after the success of the ZX-81 and ZX Spectrum, the QL can also be regarded as the first failure of Sinclair. In January 1984, Clive Sinclair presents the QL to the press, unveiling a very promising and inventive machine, based on the 68008 processor from Motorola. Indeed it was the first home computer based on a 32 bits CPU, just a few days before the Apple Macintosh. It was important for Clive Sinclair to unveil the QL before the Macintosh, but that was also one of the main reasons for the QL's failure...

The British ICL company conceived a desktop information system based on the QL mainboard. It was sold in the U.K. under the names One Per Desk and Merlin Tonto. The same model was also sold in Australia, with the name Telecom Computerphone.

NAME  QL (Quantum Leap)
TYPE  Home Computer
ORIGIN  United Kingdom
YEAR  1984
BUILT IN LANGUAGE  Sinclair Super Basic
KEYBOARD  QWERTY / AZERTY pseudo full-stroke keyboard
5 function keys
CPU  Motorola MC 68008
SPEED  7.5 MHz
CO-PROCESSOR  Intel 8049 IPC (RS232, speaker, joysticks, keyboard)
Sinclair ZX8301 (Peripheral Control)
Sinclair ZX8302 (Peripheral Chip)
RAM  128 kb (up to 728 kb without additional CPU)
85 kb free under Super Basic
VRAM  32 kb
ROM  48 kb (up to 64 kb)
TEXT MODES  40 x 25, 64 x 25, 85 x 25
GRAPHIC MODES  256 x 256 (8 colors)
512 x 256 (4 colors)
COLORS  256 color effects
SOUND  Beeper
SIZE / WEIGHT  47,2 x 13,8 x 4,6 cm / 1,4 kg
I/O PORTS  2 x Serial sockets (RS232)
2 x Sinclair Network sockets
2 x Controllers sockets
ROM connector
Expansion bus
External microdrives bus
RGB video output
RF video output
BUILT IN MEDIA  2 x microdrives (100 kb each)
PRICE  399£ (UK, february 1984)

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