Toshiba T-Series T2000, Maintenance Manual

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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.