Apollo IV PCI Pentium ISA Motherboard User’s Guide
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Step 3 Configure CPU, Continued
VR Set Pentium CPU Voltage Install Intel Pentium CPUs that adhere to either the standard or
VRE voltage specifications. VR is a 10-pin berg that sets CPU voltage. VR1
is near the top of the CPU socket.
Intel Pentium CPU Markings The markings on the bottom side of the Intel Pentium CPUs
are:
xxxxxxxxxx
xxxxxxxxxx
BP80502-SSS
Sxxxx/RSS
xxx
R is the voltage range identifier:
R value Description
VVRE voltage range
SStandard voltage range
Cont’d