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Processor board bus/core frequency ratio – HP ProLiant DL760 Server User Manual

Page 198

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D-12 Compaq ProLiant DL760 Servers User Guide

Compaq Confidential – Need to Know Required

Writer: Bryce Miller Project: Compaq ProLiant DL760 Servers User Guide Comments:

Part Number: 173774-001 File Name: n-appd LED Indicators and Switches.doc Last Saved On: 1/18/01 5:50 PM

Processor Board Bus/Core Frequency Ratio

Processor board bus/core frequency ratio switches can be set manually or by
the system BIOS. Figure D-10 shows the location of the two processor board
bus/core frequency ratio switch banks. Table D-5 shows the bus/core
frequency ratio switch settings.

CAUTION: Setting the processor switchbanks incorrectly can result in
permanent damage to the processor or in data loss.

CAUTION: The server will NOT boot if the Intel Pentium III processors are not
the same speed.

IMPORTANT: The bus/core switches are initially set at the Off position. This allows the
ROM to automatically set the optimal speed for the buses. The server will not start if the
switches are set to a speed higher than the slowest processor.

NOTE: When all bus/core frequency switches are set to the OFF position, the system ROM
will automatically set the bus/core frequency.

Table D-5

Bus/Core Frequency Ratio (SW1 and SW2)

Bus/Core
Frequency

Ratio

S1

S2

S3

S4

ROM Default

AUTO

OFF

OFF

OFF

OFF