5-40 Adding Options
CHIP UPGRADES
The zero-insertion force (ZIF) socket makes chip
upgrades easy. The ZIF socket accepts pin-grid-array
(PGA) processors, including primary processors, such as
486DX2 and DX4 chips, and OverDrive processors.
Use the following procedures to install the chip upgrades in
your system.
!
CAUTION: Incorrect installation of the
chip can damage the chip, system board, or both.
Follow the installation instructions carefully.
!
CAUTION: Your system requires a
heatsink on the upgrade chip. Verify with your
dealer that you have the correct heatsink for your
chip.
1. Remove the system unit cover (see Chapter 4).
!
WARNING: Be sure that the system
unit power is turned off and the system is unplugged
before you begin the installation procedure.
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