General - Toshiba T2000 Maintenance Manual

1.1 General

The Toshiba T2000 is one of the lightest and most advanced portable computers available offering
advanced computer technology, high speed, excellent legibility, IBM PC/AT compatibility, and
battery operation.
The T2000 is one of a new class of portables called notebook computers, the lightest portable
computers available.
The T2000 system unit has the following features:
The Central Processing Unit (CPU) is an 80C286-12 16-bit microprocessor, operating at
12MHz (fast mode) and 6MHz (slow mode).
The standard Random Access Memory (RAM) capacity is 1MB. With 1MB, 2MB, 4MB, or
8MB expansion memory cards, the T2000 system can have a maximum of 9MB of RAM.
An 80C287-12 Numeric Data Processor (NDP) can be installed.
The Liquid Crystal Display (LCD) supports 640x480 pixels with Video Graphics Array
(VGA) compatibility and 16 levels of gray.
The display controller supports VGA functions through the High Resolution Graphics
Subsystem (HRGS).
The 3.5-inch Floppy Disk Drive (FDD) supports two memory formats:
• 1.44MB double-sided, high-density, double-track (2HD)
• 720KB double-sided, double-density, double-track (2DD)
The 2.5-inch Hard Disk Drive (HDD) has either a 20MB or 40MB capacity.
The keyboard is an 86/88-key keyboard that is fully compatible with the IBM standard 101/
102-key keyboard.
The universal auto-sensing AC adapter can be used in a range from 100 to 240 volts AC.
A built-in modem slot is available for an optional built-in modem.
A parallel port, serial port, RGB port, numeric keypad port, and expansion bus connector
allow the T2000 to interface with a variety of optional equipment.
The T2000 supports the Toshiba AutoResume feature, storing the data and configuration
information when the power is turned off.
The Real Time Clock (RTC) continuously stores the date and time even when the power is
turned off.
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