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

 

 

1

2

2

3

3

4

P4B

 

 

 

 

 

 

3.4 V

3.5 V

3.6 V

 

(Default)

 

 

 

 

P4B 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.

SPEECH

P4B

 

3

2

2

1

 

BUZZER LINEOUT

(Default)

P4B Speaker Selector

Figure 2-29 Speaker Selection Settings

2-22

Chapter 2: Hardware information