July 2004
Intermediate to advanced
1744 pages
35h 3m
English
The processor has five (VID[4:0] on the earlier Pentium® 4 processors) or six (VID[5:0] on the 90nm Pentium® 4 processor) Voltage ID output pins that connect to the voltage regulator on the system board and select the Vcc that the regulator supplies to the processor. The table showing the encodings can be found in a specific processor's data sheet.
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