Toshiba T3100
The Toshiba T3100 is a discontinued portable PC manufactured by Toshiba released in 1986. It features a 10 MB hard drive, 8 MHz Intel 80286 CPU and a black & orange 9.5" gas-plasma display with a resolution of 640x400 pixels.
| Manufacturer | Toshiba |
|---|---|
| Type | laptop |
| Release date | 1986 |
| Operating system | MS-DOS 3.2 |
| CPU | Intel 80286 @ 8 MHz |
| Memory | 640 KB RAM (upgradable to 2.6 MB) |
| Storage | 10 MB hard drive; internal 3.5" floppy drive, 720 KB; connector for external 5.25" floppy drive, 360 KB |
| Display | monochrome 9.5" orange gas-plasma display |
| Graphics | 640×400; 640×200; Textmode: 80×25; T3100SX: 640x480 VGA |
| Input | keyboard - 83 keys, QWERTY |
| Connectivity | external monitor via 9-pin RGB port |
| Dimensions | 31.0 x 36.1 x 7.9 cm |
| Mass | 7.5 kg (17 lb) |
The portable has a special high-resolution 640 x 400 display mode which is similar to and partially compatible with the Olivetti/AT&T 6300 graphics. The base model has 640 KB memory. There is a single proprietary expansion slot for 1200 bit/s modem, expansion chassis for 5x 8-bit ISA cards, Ethernet NIC, 2400 bit/s modem, and a 2 MB memory card (thus 2.6 MB in max total). T3100e model has 1 MB of memory, which can be upgraded to 5 MB.
Toshiba T3100 is not a true portable, because it needs an external power source in all except the last version.
Five versions exist:
- The T3100/20 is essentially the same as the base T3100 but with a larger hard drive (20 MB instead of 10 MB).
- The T3100e has a 12 MHz 80286 CPU (switchable to 6 MHz), 1 MB RAM and a 20 MB hard drive.
- The T3100e/40 is the same as the T3100e, but with a larger 40 MB hard drive.
- The T3100SX has a 16 MHz i386SX CPU, 1 MB RAM and a 40 MB or 80 MB hard drive, a VGA 640x480x16 shade black & orange gas plasma display or black & white LCD, and also included an internal rechargeable battery, for true portability.
- The J3100 is a version of the T3100 that was marketed and sold in Japan only.