7. Speaker selector (3-pin SPEECH)

This jumper allows you to select the speaker you wish to use for the ASUS POST Reporter™ function. Set to pins 1-2 to use the internal speaker (usually included in the chassis). Set to pins 2-3 if you connected an external speaker to the Line Out jack (lime color) on the rear panel.

SPEECH

1

2

2

3

 

 

 

 

 

P4B266

BUZZER LINEOUT (Default)

P4B266 Speaker Selector

8.VCORE over-voltage (3-pin OVER_VOLT)

When enabled, this jumper allows a CPU Vcore setting range of +1.75V to +2.1V for Pentium 4 Willamette processor, and a 1.50V to 1.75V range for Northwood processor through BIOS Setup. When disabled, the allowed Vcore settings are lower.

Setting to a very high core voltage may cause permanent damage to the CPU. It is recommended that you keep the default setting (Disable).

OVER_VOLT

 

3

2

2

1

 

DISABLE

ENABLE

(Default)

 

P4B266

P4B266 OVER_VOLT Setting

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Chapter 2: Hardware information