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T > TIMEX / SINCLAIR > 2068   


This is the American version of the Spectrum. It has an additional 8K extension ROM, cartridge port, two joystick ports and AY-3-8912 sound chip with extra Sinclair BASIC commands to support these devices (STICK, SOUND). It was packaged in a hard plastic silver case with nonstandard plastic keys.

The TS2068 is Timex's re-engineered 48K Spectrum. It was released in Fall 1983 just before Timex Computer Corp folded in Spring 1984. A rogue arm of Timex in Portugal continued to sell TC2068s (same as TS2068) and TC2048s (an improved Spectrum) until 1989. They, of course, were only allowed to sell in non-Sinclair controlled marketplaces.

Timex recognized that a 48K Spectrum would not continue being competitive in North America for long without changes being made. They developed two computers that were to be North America's debut of the Spectrum. One was called the TS2048 and the other the TS2068. The TS2048 was basically a 48K Spectrum w/ Kempston joystick and the advanced video modes of the TS2068. The TS2068 was a completely different computer with the Spectrum as its roots. Timex decided to only sell the TS2068. When sales over Christmas 1983 were disappointing, they pulled the plug. Timex of Portugal, no doubt encouraged by the Spectrum's popularity in Europe, continued to sell the TS2068 and offered the TS2048 as the TC2068 and TC2048 in parts of Europe, notably Portugal and Poland. When Timex pulled the plug, they dumped all their surplus TS2068s in Argentina.

As for Spectrum compatibilty: The tape I/O is the same so you can load Spectrum tape files. Spectrum BASIC is a subset of the TS2068's BASIC, so you can run Spectrum BASIC programs. The TS2068's ROM is different, though, so you can't run Spectrum m/c that makes use of the ROM. Without the aid of a Spectrum emulator, you can run about 7% of the Spectrum's commercially available software.

The Spectrum emulator is really a Spectrum ROM on cartridge (there are other forms) that is bankswitched into the lower 0-16K region. The top 48K region is filled with RAM. To the software this looks exactly the same as a 48K Spectrum. There are a few hardware reasons for incompatibilities but using an emulator, you can reach 97% compatibility.


Text taken from Sinclair Computer Hardware Factsheet.
Thanks Bob Johnson.

NAME  2068
TYPE  Home Computer
YEAR  Fall 1983
KEYBOARD  Chicklet keyboard
SPEED  3.58 Mhz
RAM  48 KB
ROM  24 KB (16 KB + 8 KB Exrom)
TEXT MODES  32 x 24
GRAPHIC MODES  256 x 192 (with 32x24 or 32x192 attributes), 512 x 192
SOUND  AY-3-8912 Sound Chip (same as 128K Spectrums)
I/O PORTS  Two joystick connectors, RF out, Composite video output, RGB video output, cartridge slot, tape-recorder
POWER SUPPLY  DVE power supply, 15 V at 1 Amp DC, and with the outside sleeve of the plug positive and the inside negative.
PRICE  US $199.99 (USA, 1983)

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