T4900CT
1.1 Features
The Toshiba T4900CT is one of the lightest and most advanced portable computers available.
Utilizing advanced technology and high-speed components, the T4900CT offers excellent
color display legibility, battery operation, and IBM PC/AT compatibility. The T4900CT
system unit consists of the following features:
❑ Microprocessor
The T4900CT uses an Intel Pentium
TM
Processor (referred to as Pentium in this
manual) that operates at 75 MHz, 3.3 Volts.
❑ Math co-processor
The T4900CT has a math co-processor which is stored in the Pentium.
❑ Cache memory
The T4900CT has a writeback type 16 KB cache memory which is stored in the
Pentium. The 16 KB cache consists of an 8 KB instruction cache and an 8 KB data
cache.
❑ Disk storage
The T4900CT has an internal 2.5-inch 810 MB HDD. A 3.5-inch FDD supports 2 HD
(1.44 MB) floppy disks and 2DD (720 KB) floppy disks.
❑ Memory
The T4900CT comes standard with 8 MB of CMOS type Dynamic Random Access
Memory (DRAM) 3.3 Volts. This includes 640 KB of conventional memory and
7,360 KB of extended memory which can be utilized as expanded memory compatible
with the Lotus/Intel/Microsoft Expanded Memory Specifications (LIM-EMS).
❑ TFT color LCD
The T4900CT has a high-resolution 10.4-inch full-color, Thin Film Transistor (TFT)
color LCD that displays 640 x 480 pixels.
The T4900CT internal display controller supports VGA functions on the internal
display and SVGA functions on an external display.
❑ Keyboard
An easy-to-use 82/84-key enhanced keyboard with full-size keys and standard spacing
is compatible with IBM standard software. The T4900CT’s keybard supports soft-
ware that used a 101/102-key enhanced keyboard.
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