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Section 2
Configuration Quick Reference
PR5 Hardware Configuration:
CPU Configuration
Memory Configuration
L2 Cache Configuration
Onboard Connectors
DIP & Jumper Summary
CPU Voltage Settings
You must set the CPU voltage using
DIP switch block VC1-8. The switches
are labeled on the block. The follow-
ing charts list the settings.
Default Setting : 3.38V.
See Section 4 for detailed informa-
tion on determining CPU voltage.
H a r d w a r e
C o n f i g u r a t i o n
This chapter is about how to configure the PR5. The first
section is a summary for the experienced user. The sec-
ond explains the same material in detail. If your PR5 is
already installed in a system you can use this section if
you need to reconfigure the mainboard.
Con figuration Q uick Refere nce
This section provides a summary of the information
needed to configure the PR5 mainboard for installation.
Please refer to the section PR5 Hardware Configuration
for detailed information.
CPU Configuration & Installation
The PR5 has a Socket 7 Zero Insertion Force (ZIF) socket.
There are several CPU configuration settings required,
including CPU voltage, External Clock Frequency and
External Clock Factor. Detailed CPU reference informa-
tion is in Section 4.
CPU Voltage
The following charts show the CPU voltage DIP switch
settings for Intel, AMD and Cyrix CPUs. Reference in-
formation on required voltages is in Section 4.
VC DIP Switch Block Location
VC Block
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