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ASUS A7M266-D User’s Manual 19
3. HARDWARE SETUP
3. H/W SETUP
Motherboard Settings
4) CPU External Frequency Setting (DSW Switches 1–4)
This option tells the clock generator what frequency to send to the CPU, SDRAM,
and the chipset. This allows the selection of the CPU’s External frequency. The
CPU External Frequency multiplied by the Frequency Multiple equals the CPU’s
Internal frequency (the advertised CPU speed).
IMPORTANT:
1. To use this feature, check the JEN jumper settings: see Jumper/
JumperFree™ Mode (JEN) on the previous pages.
A7M266-D
®
A7M266-D CPU External Frequency Selection
DSW
CPU 100MHz 103MHz
110MHz 115MHz
ON
12
34
CPU
ON
12
34
ON
12
34
ON
12
34
ON
12
34
ON
12
34
105MHz
133MHz
Frequency Table
(MHz) DSW
CPU 1 2 3 4
100 [ON] [OFF] [ON] [ON]
103 [OFF] [ON] [OFF] [ON]
105 [ON] [OFF] [OFF] [ON]
110 [OFF] [OFF] [OFF] [ON]
115 [OFF] [OFF] [ON] [ON]
133 [ON] [ON] [ON] [OFF]
WARNING! Frequencies other than the recommended CPU bus frequencies are
not guaranteed to be stable. Overclocking your processor is not recommended. It
may result in a slower speed and premature wearing of the processor.