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ASUS A7V-M User’s Manual
3. HARDWARE SETUP
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.
2) CPU External Frequency Setting (SW1 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, JEN [see 1) JumperFree™ Mode (JEN) in 3. HARD-
WARE SETUP] must be set to Jumper mode or [1-2].
2. In JumperFree mode, SW1 Switches 1,2 and 4 must be set to ON and SW1
Switch 3 to OFF (see 1) Jumper Setting earlier in this section).
3. When JumperFree mode is enabled, use BIOS setup in place of these switches
(set Operating Frequency Setting to User Define under 4.4 Advanced Menu
in BIOS Setup so you can set the CPU Frequency).
A7V-M CPU
External Frequency Selection
CPU
PCI
100.00MHz
33.33MHz
105.00MHz
35.00MHz
ON
12
34
ON
12
34
CPU
PCI
103.00MHz
34.33MHz
ON
12
34
110.00MHz
36.67MHz
ON
12
34
A7V-M
NOTE: The motherboard supports PC100 / PC133 DIMMs or VC SDRAMs
for system memory. Registered DIMMs are not supported [see 3.5 System
Memory (DIMM)].
Motherboard Settings
3. H/W SETUP
External Frequency Table
CPU PCI Frequency Selection Switches
(MHz) (MHz) 1 2 3 4
100.00 33.33 [ON] [ON] [OFF] [ON]
103.00 34.33 [OFF] [ON] [OFF] [ON]
105.00 35.00 [ON] [OFF] [OFF] [ON]
110.00 36.67 [ON] [OFF] [ON] [OFF]
NOTE: For updated processor settings, visit the ASUS web site (see ASUS CON-
TACT INFORMATION).