Asus PRL-DL PRL-DL M/B User Guide - Page 40

Switches and jumpers

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2.7 Switches and jumpers 2.7.1 Switches The following figure shows the location and default settings of the DIP switches on the motherboard. Keep the default settings for stable system operation. ® PRL-DL PRL-DL DIP Switches ON 12345678 SW2 OFF ON 1. Reserved 2. Reserved 3. Reserved 4. Reserved 5. Frequency Multiple 6. Frequency Multiple 7. Frequency Multiple 8. Frequency Multiple 1. CPU External Frequency Selection (SW1 & JFSB1) This option tells the clock generator which frequency to send to the CPU and SDRAM; and sets the CPU's External frequency. (The BUS Clock multiplied by the Frequency Multiple equals the CPU's Internal frequency or the advertised CPU speed.) SW1 ON 12345 ON 12345 ® PRL-DL PRL-DL CPU External Frequency Selection 400MHz 533MHz JFSB1 12 23 400MHz 533MHz (Default) Both the dip switch and jumper must be set together. 2-14 Chapter 2: Hardware information

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2-14
Chapter 2: Hardware information
2.7
Switches and jumpers
2.7.1
Switches
The following figure shows the location and default settings of the DIP
switches on the motherboard.
PRL-DL
PRL-DL DIP Switches
SW2
1. Reserved
2. Reserved
3. Reserved
4. Reserved
5. Frequency Multiple
6. Frequency Multiple
7. Frequency Multiple
8. Frequency Multiple
ON
12345678
OFF
ON
Keep the default settings for stable system operation.
1.
CPU External Frequency Selection (SW1 & JFSB1)
This option tells the clock generator which frequency to send to the CPU and
SDRAM; and sets the CPU’s
External
frequency.
(The BUS Clock multiplied
by the Frequency Multiple equals the CPU’s
Internal
frequency or the
advertised CPU speed.)
Both the dip switch and jumper must be set together.
PRL-DL
PRL-DL CPU
External Frequency Selection
(Default)
533MHz
400MHz
SW1
JFSB1
533MHz
400MHz
12
3
2
ON
12345
ON
12345