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22 ASUS CUSL2-M User’s Manual
3. HARDWARE SETUP
Motherboard Settings
3. H/W SETUP
7) CPU External Frequency Setting (DSW)
This option tells the clock generator what frequency to send to the CPU, DRAM,
AGP, and the PCI bus. This allows the selection of the CPU’s External fre-
quency.
IMPORTANT:
1. In JumperFree mode, all dip switches must be set to OFF.
2. When JumperFree mode is enabled, use BIOS setup in place of these switches
(see CPU Speed in Advanced Menu in BIOS Setup).
NOTE: Only selected switches are illustrated. For a complete frequency listing,
see next page.
CUSL2-M CPU External
Clock (BUS) Frequency
Selection
DSW
CPU
SDRAM
AGP
PCI
→
→
ON
12345
ON
12345
ON
12345
66MHz
100MHz
66MHz
33MHz
ON
12345
ON
12345
(JumperFree Mode)
133MHz
100MHz
66MHz
33MHz
133MHz
133MHz
66MHz
33MHz
100MHz
100MHz
66MHz
33MHz
CUSL2-M
®
CPU
SDRAM
AGP
PCI
NOTE: If your processor does not have a locked Frequency Multiple, you must
use CPU Core:Bus Freq. Multiple in 4.4 Advanced Menu to set the Frequency
Multiple. If the Frequency Multiple is locked, setting the Frequency Multiple in
BIOS setup will have no effect.