Toshiba T1100

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Toshiba T1100
Toshiba T1100 In Betrieb.jpg
Toshiba 1100, discolored
Release date1985; 35 years ago (1985)[1]
Introductory priceUS$1,899 (equivalent to $4,514 in 2019)
Operating systemMS-DOS 2.11
CPUIntel 80C88 @ 4.77 MHz
Memory256 kB RAM (upgradable to 512 kB)
StorageInternal 3.5" floppy drive, 720 kB; external 5.25" floppy drive, 360 kB
DisplayMonochrome LCD / Text mode: 80×25
Inputkeyboard 83 keys, QWERTY
Mass4.1 kg
SuccessorToshiba T1200

Toshiba T1100 was a laptop manufactured by Toshiba in 1985, and has subsequently been described by Toshiba as "the world's first mass-market laptop computer".[1] Its technical specifications were comparable to the original IBM PC desktop, using floppy disks (it had no hard drive), a 4.77 MHz Intel 80C88 CPU (a variation of the Intel 8088), 256 kB of conventional RAM extendable to 512 kB, and a monochrome LCD capable of displaying 80x25 text and 640x200 CGA graphics.[2] Its original price was 1899 USD.

The T1100 PLUS is a later model of this laptop, released to the market in 1986.[3] Some significant differences to the T1100 are, 80C86 CPU, 7.16 MHz or 4.77 MHz operation, 256 kB of conventional RAM (16-bit) extendable to 640 kB, and two internal diskette drives.[4]

The T1100 was named an IEEE Milestone in 2009.


Toshiba T1100 PLUS was cloned in the USSR as Electronika MS 1504 in 1991.[5]

See also[edit]


  1. ^ a b Archived 2011-07-17 at the Wayback Machine, May 2005
  2. ^ "Toshiba's flyer for the T1100" (PDF). Retrieved 18 December 2016.
  3. ^ Stachell, Stephen (Sep 15, 1986). "Toshiba T1100 Plus: Turbo PC in Briefcase". InfoWorld Magazine: 46. Retrieved 17 December 2016.
  4. ^ "Toshiba's flyer for the T1100 PLUS" (PDF). Retrieved 18 December 2016.
  5. ^ Лебеденко Евгений [Lebedenko Eugene]. (2010-10-13). "Электроника МС 1504" — первый советский ноутбук ["Elektronika MS 1504" - the first Soviet laptop] (in Russian). Archived from the original on 2010-10-18. Retrieved 2011-02-15.

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