Asus P5-99B User Manual download pdf (Page 22)

III. HARDWARE SETUP

ASUS P5-99B User’s Manual22

Motherboard Settings

III. H/W SETUP

Compatible Cyrix CPU Identification

The only Cyrix 6x86-PR166+ CPU that is supported on this

motherboard must be Revision 2.7 or later. Look on the un-

derside of the CPU for the serial number. The number should

read G8DC6620A or later.

9. Voltage Regulator Output Selection (DIP 1 – Switches 6, 7, 8, 9, 10)

These jumpers set the VCORE voltage supplied to the CPU. Switching regula-

tors allow some settings to be the same for two voltages of different power

planes.

WARNING! Because CPU designs change rapidly, the table on the following

page is only intended as a simple guideline and thus may not be true for your

CPU. Always refer to the CPU documentation for your CPU’s voltage and then

set the appropriate VID jumpers according to the CPU Vcore Voltage Selection

illustration.

0 1

P5-99B CPU

Core Voltage (VCORE) Selection

DIP 1

3.5Volts

12345678910

2.2Volts

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2.1Volts

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Inhibit

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2.3Volts

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2.4Volts

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2.5Volts

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2.8Volts

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2.6Volts

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2.7Volts

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2.9Volts

12345678910

3.0Volts

12345678910

3.1Volts

12345678910

3.2Volts

12345678910

3.3Volts

12345678910

3.4Volts

12345678910

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Asus P5-99B User Manual Page 22

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