Texas Instruments Extensa 450 Series - 1.6 Notebook Assemblies and Subassemblies

• Third Party External PS/2 keyboard (or external mouse)
1.5 Standard Test Features
The Extensa Series Notebook Computers use modular design and built-in test
features to reduce the mean time to repair. A power on self-test automatically
verifies the operational state of the primary circuits and a powerful suite of
diagnostic tests are available to further test selected parts of the system.
1.6 Notebook Assemblies and
Subassemblies
The Extensa Series Notebooks are modular in design and can be disassembled for
maintenance purposes using a standard set of flat-bladed, Phillips-head and
hexagonal screwdrivers. The major assemblies that comprise a typical notebook in
the Extensa family are shown in Figure 1-7 and briefly described in the following
paragraphs.
Figure 1-7 Notebook Assemblies
1-10 General Description