Toshiba T3100

T3100 was a laptop manufactured by Toshiba in 1986, it featured a 10 Mb hard drive, 8 MHz Intel 80286 CPU and a monochrome 9.6" gas-plasma display with a resolution of up to 640x400 pixels.
Toshiba T3100 was not a true portable, it needed external power source in all except the last version.
Five versions existed:
The T3100/20 was essentially the same as the base T3100 but with a larger harddrive (20 Mb instead of 10 Mb).
The T3100e had a 12 MHz 80286 CPU, 1 Mb RAM and a 20 Mb harddrive.
The T3100e/40 was the same as the T3100e, but with a larger 40 Mb harddrive.
The T3100SX had a 16 MHz i386SX CPU, 1MB RAM and a 40 Mb or 80 Mb harddrive, and also included an internal rechargeable battery for true portability.

Specifications

CPU	Intel 80286, 8 Mhz
RAM	640 kb, upgradable to 2.6 Mb
Keyboard	83 keys, QWERTY
Drives	10 Mb harddrive; internal 3,5" floppy drive, 720 kb; connector for external 5,25" floppy drive, 360 kb
Operating System	MS-DOS 3.2
Screen Resolution	Graphic mode: 640×400; 640×200; Textmode: 80×25
Weight	7.5 kg

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Toshiba T1200

The Toshiba T1200 was a laptop manufactured by the Toshiba Corporation, first made in 1987. It was an upgraded version of the Toshiba T1100 Plus.
It was equipped with an Intel 80C86 processor at 9.54 MHz, 1MB RAM of which 384kB could be used for LIM EMS or as a RAMdisk, CGA graphics card, one 720Kb 3.5" floppy drive and one 20 MB hard drive (Some models had two floppy drives.) MS-DOS 3.30 was included with the laptop. It was the first laptop with a swappable battery pack. Its original price was $6499.
The T1200's hard drive had an unusual 26-pin interface made by JVC, incompatible with ST506/412 or ATA interfaces. Floppy drives were connected using similar 26-pin connectors. The computer had many unique functions, such as Hard RAM - a small part of RAM was battery-backed and could be used as non-volatile hard drive. Another function allowed to suspend the system or power control the hard drive (which was still dependent on the hard disk's on/off switch).
The Toshiba T1200xe is a later model of this laptop. It had a 12Mhz 80C286 processor and a 20Mb hard disk drive. It also had 1Mb of RAM expandable to 5Mb.

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