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20 ASUS K7M User’s Manual
3. HARDWARE SETUP
Motherboard Settings
3. H/W SETUP
5) CPU External Frequency Setting (DSW)
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). The CPU is running at the same
speed as the SDRAM.
NOTE: To use this feature, CPU Frequency Selection in BIOS setup must be
set to [By Jumper] (see 4.4.2 Advanced Chipset Setup).
K7M CPU External Frequency Selection
CPU/SDRAM
010101
®
K7M
DSW1
OFF
ON
ON
12
OFF
ON
ON
12
ON
12
ON
12
CPU/SDRAM
100MHz 103MHz
105MHz 110MHz
NOTE: Frequency Multiple settings are not available here because AMD
Athlon™ processors have locked Frequency Multiples.
NOTE: The motherboard supports PC100 (100MHz)/PC133 (133MHz) DIMMs
for system memory.