Toshiba T1000

Year: 1987

Initial Price: 1199 USD

 

The Toshiba T1000 was a laptop computer manufactured by the Toshiba Corporation in 1987. It had a similar specification to the IBM PC Convertible, with an 4.77 MHz 80C88 processor, 512 kB of RAM, and a monochrome CGA-compatible LCD. Unlike the Convertible, it includes a standard serial port and parallel port, connectors for an external monitor, and a real-time clock.

Unusually for an IBM compatible PC, the T1000 contained a 256 kB ROM with a copy of MS-DOS 2.11. This acted as a small, read-only hard drive. Alternative operating systems could still be loaded from the floppy drive, or (if present) the ramdisk.

Along with the earlier T1100 and T1200 systems, the Toshiba T1000 was one of the early computers to feature a “laptop” form factor and battery-powered operation.

Processor: Intel 8OC88TM microprocessor
Adjustable 4.77 MHz operating speed
Reset button, AutoResumeTM
Memory: 512 kB RAM standard
Expandable to 1.2 mB
LIM EMS supported 3.2/HardRAM card/256kB ROM

Manufacturer: Toshiba Corporation /29 years ago

Storage 1 x 720 kB 3.5″ floppy disk drive
Graphics CGA card (16 kB RAM)
Sound PC speaker
Power 9 VDC, 1.1A (+ = core; – = barrel)
Dimensions 310 × 280 × 52 mm
Weight 2.9 kg

Added to my collection in 2016, the unit was not starting up, it needed some repairs and some love. See the step to step repair here.

Useful links:

Upgrading Toshiba T1000 Laptop to MS-DOS 5.0 and later

T-series T1000 support on TOSHIBA homepage

A look inside the machine-my personal blog

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