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ASUS NR-LSR motherboard user guide
2-13
2.7 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.
NR-LSR
®
NR-LSR DIP Switches
ON
1.Frequency Selection
2.Frequency Selection
3.Frequency Selection
4.Frequency Selection
5.Spread Spectrum
1.Reserved
2.Reserved
3.Reserved
4.Reserved
5.Frequency Multiple
6.Frequency Multiple
7.Frequency Multiple
8.Frequency Multiple
CLKSW
OFF
U78
ON
12345678
ON
12345
ON
OFF
NR-LSR
®
NR-LSR CPU
External Frequency Selection
ON
12345
CLKSW
100MHzCPU
ON
12345
ON
12345
ON
12345
ON
12345
101MHz 103MHz
105MHzCPU 110MHz
1. CPU external frequency selection (CLKSW Switches 1-5)
This option tells the clock generator what frequency to send the CPU.
This allows the selection of the CPU’s external frequency (or Bus
Clock). The BUS Clock multiplied by the Frequency Multiple equals the
CPU’s internal frequency (the advertised CPU speed).
To select the CPU external frequency using the DIP switches, ensure
that the JEN jumper is set to jumper mode.