Brand: Timex Computer Corporation
Model: 1500
Country of origin: United States of America / Portugal
Made in: Portugal (Lisboa/Lisbon)
Manufacturer: TMX Portugal Lda
Launch date: September 1983
Price: $79.95
Dimensions: 233 × 143 × 30 mm (feet adds 3.5 mm)
Weight: 533 g
Box dimensions: 340 × 215 × 99 mm
ZX81-compatible (redesigned motherboard) in a ZX Spectrum-like case and keyboard, initially for the American market.
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Although the Timex Sinclair 1500 is basically a Timex Sinclair 1000 with 16kB RAM, the ROM differs slightly: it supports TV channel switching by pressing the ‘3’ key upon powering up, it supports the Timex Sinclair 1510 Command Cartridge™ Player natively and there is a For-Next bug in the ROM.
Besides being sold in a cardboard box, it was also offered by the National Education Corporation in the Technical Literacy Series in a briefcase. Some briefcases came with the Timex Sinclair 2020 Computer Program Recorder, others had a generic tape recorder.