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ASUS A7A266 User’s Manual
3. HARDWARE SETUP
3. H/W SETUP
Motherboard Settings
5) Manual CPU Ratio Settings (DSW Switches 5-10)
Set DSW switches (5-10) to use the clock multiplier to coordinate the ratio of
bus speeds with CPU settings. Set the DSW switches according to the internal
speed of your processor and the bus frequency (133/100MHz).
IMPORTANT:
1. To use this feature, JEN must be set to Jumper Mode, [1-2].
(See 1, JumperFree™ Mode (JEN) in 3, HARDWARE SETUP.)
2. Ensure the DSW settings are correct:
DSW switch 10 is OFF to disable the manual CPU ratio settings.
DSW switch 10 is ON, for all manual CPU ratio settings.
A7A266 CPU Ratio Setting
0101
A7A266
ON
12345 678910
ON
12345 678910
CPU Ratio
Enable
CPU Ratio
Disable
DSW
OFF
ON
Set DSW switches 6 through 9 as follows according to the desired multiplier:
Multiplier 6 7 8 9
12.5x and up [OFF] [OFF] [ON] [ON]
12.0x [ON] [OFF] [ON] [ON]
11.5x [OFF] [ON] [ON] [ON]
11.0x [ON] [ON] [ON] [ON]
10.5x [OFF] [OFF] [OFF] [OFF]
10.0x [ON] [OFF] [OFF] [OFF]
9.5x [OFF] [ON] [OFF] [OFF]
9.0x [ON] [ON] [OFF] [OFF]
8.5x [OFF] [OFF] [ON] [OFF]
8.0x [ON] [OFF] [ON] [OFF]
7.5x [OFF] [ON] [ON] [OFF]
7.0x [ON] [ON] [ON] [OFF]
6.5x [OFF] [OFF] [OFF] [ON]
6.0x [ON] [OFF] [OFF] [ON]
5.5x [OFF] [ON] [OFF] [ON]
5.0x [ON] [ON] [OFF] [ON]