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Chapter 3.11 Processor Upgrade Option (Model 400 Only)
This section provides installation and replacement procedures for the
processor upgrade. The Compaq Contura 400 is the only model with the
DX2/40 MHz Processor that can be upgraded to a DX2/50 MHz processor. Once
the processor is installed, the upgraded processor overrides control of
the processor on the system board. You do not have to remove the system
board processor.
NOTE: Use only the DX2/50 MHz processor in the upgrade option slot.
To install the processor upgrade option, do the following:
1. Disconnect all power from the computer and remove the AC Adapter and
battery pack (Section 3.2).
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> CAUTION <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
The computer becomes top heavy when the keyboard assembly is removed and
the display is opened. To prevent damage to the display and the computer,
ensure that the display assembly is opened at a 90-degree angle.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
2. Remove the keyboard assembly (Section 3.7).
3. Disconnect the processor board from the two connectors on the system
board (Figure 3-36).