Product Overview - Texas Instruments Extensa 450 Series Maintenance Manual

1.4

Product Overview

All members of the Extensa 450 Series are high performance notebooks powered by
the 75MHz IntelDX4 processor and Windows 95
As a standard feature, all members of the Extensa 450 family also contain the
following features:
4MB of RAM memory (user-expandable to 32MB)
128 bytes of battery-backed up CMOS RAM
512 KB of video RAM
340 Million Byte Hard Drive (user replaceable)
Support for one PCMCIA Type I or II option (Type III if floppy drive is removed
with option)
Ergonomic keyboard with palm rest (2.7 mm travel); built-in touchpad pointing
device
Most standard external device interfaces including serial, parallel, PS/2,
external VGA, and serial infrared wireless port
Removable 3.5", 1.44 MB Floppy Drive (second Lithium Ion battery or a type III
PCMCIA device can be installed in its place with option)
Choice of LCD displays (10.4" Dual Scan Color or 9.4" Active Matrix Color
LCD).
AC Adapter with autosensing (100 VAC to 240 VAC, 50 to 60 Hz); 34 Watts of
DC output power
10.8 Volt, 2400 mAH capacity, Nickel-Metal Hydride (NiMH) primary battery
pack
Provisions for secondary 10.8V, 1460 mAH capacity, Lithium-Ion Battery Pack
(with removal of Floppy Drive)
Power management features for longer portable operation away from AC power.
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Operating System software.
General Description 1-3