
200-MHZ and 233-MHz Processor Upgrade (for the Model 140)
You can increase the performance of your system unit by upgrading the
microprocessor. This section explains the procedure for installing a 200-MHz or
233-MHz processor upgrade kit into a Model 140 system.
Note: If you wish to install a 332-MHz processor upgrade kit into your system, refer
to “332-MHz Processor Upgrade (for the Model 140)” on page 4-50.
Before you begin:
Read “Safety Considerations” on page 4-2 and “Handling Static Sensitive
Devices” on page 4-3.
Remove the system unit cover (see “Removing the Cover” on page 4-4).
Locate the following additional items:
– A flat-head screwdriver.
– A paper towel for the thermal grease.
– Make sure you know the level of firmware installed in your system unit.
To determine which level is currently installed, see Chapter 3, “System
Management Services” on page 3-1.
1. Check your inventory. The processor upgrade kit consists of the following:
2. A four-slot EMC shield may also be included in your processor upgrade kit, and
must be installed if your system unit is not already shielded.
4-38
7043 43P Series User's Guide