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Increasing Microprocessor Speed
4. Firmly push the module into the connector. Ensure that the DIMM snaps into the
plastic locking levers on both ends.
5. Restore power to the system.
5.3 Increasing Microprocessor Speed
This section describes how to complete the following actions to increase
microprocessor speed:
•
Replace the 21164 microprocessor with an AlphaPC chip that has a higher speed
rating.
•
Reconfigure the CPU speed selection jumpers (J28 Option 1~4).
5.3.1 Preparatory Information
Caution:
Static-Sensitive Component – Due to the sensitive nature of electronic
components to static electricity, anyone handling the microprocessor
must wear a properly grounded antistatic wriststrap. Use of antistatic
mats, ESD approved workstations, or exercising other good ESD prac-
tices is recommended.
A 21164 microprocessor with a higher speed rating is available from your local
distributor. See Appendix A for information about supporting products.
When replacing the microprocessor chip, also replace the thermal conducting
GRAFOIL pad. See Appendix A for information about the parts kit, which includes
the heat sink, GRAFOIL pad, two hex nuts, heat-sink clips, 60-mm fan, fan guard,
and four screws.
5.3.2 Required Tools
The following tools are required when replacing the microprocessor chip:
A TS30 manual nut/torque driver (or equivalent) with the following attachments is
required to affix the heat sink and fan to the microprocessor's IPGA package:
•
1/4-inch hex bit
•
7/16-inch socket with 1/4-inch hex drive
•
#2 Phillips-head screwdriver bit
Memory and Microprocessor Configuration
5–4
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