Asus P4B-LS Motherboard DIY Troubleshooting Guide - Page 44

SDRAM Voltage Settings, on audio models only, Speaker Selection Settings

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7. SDRAM voltage (SDRVOL) This jumper allows you to select the voltage supplied to the system memory. The default setting is on pins 1-2 (3.4V). SDRVOL ® P4B-LS 12 3.4 V (Default) 23 3.5 V 34 3.6 V P4B-LS SDR Voltage Setting Figure 2-28 SDRAM Voltage Settings 8. Speaker selector (SPEECH) (on audio models only) 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. ® P4B-LS P4B-LS Speaker Selector SPEECH 2 1 BUZZER 3 2 LINEOUT (Default) Figure 2-29 Speaker Selection Settings 2-22 Chapter 2: Hardware information

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2-22
Chapter 2: Hardware information
7.
SDRAM voltage (SDRVOL)
This jumper allows you to select the voltage supplied to the system
memory. The default setting is on pins 1-2 (3.4V).
Figure 2-28
SDRAM Voltage Settings
8.
Speaker selector (SPEECH)
(on audio models only)
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.
Figure 2-29
Speaker Selection Settings
P4B-LS
P4B-LS SDR Voltage Setting
SDRVOL
3.4 V
3.5 V
12
23
3.6 V
34
(Default)
P4B-LS
P4B-LS Speaker Selector
1
2
2
3
SPEECH
BUZZER
(Default)
LINEOUT