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ASUS A7V400-MX SEASUS A7V400-MX SE
ASUS A7V400-MX SEASUS A7V400-MX SE
ASUS A7V400-MX SE
1-171-17
1-171-17
1-17
1.9 Switch and jumpers
1.1.
1.1.
1.
CPU external frequency selection (DSW Switches 1-5)CPU external frequency selection (DSW Switches 1-5)
CPU external frequency selection (DSW Switches 1-5)CPU external frequency selection (DSW Switches 1-5)
CPU external frequency selection (DSW Switches 1-5)
The motherboard frequency is adjusted through the DIP switches.
The white block represents the switch position. The illustration below
shows the ON and OFF positions of the switches.
The option to set the CPU core bus frequency multiple is available only
on unlocked CPUs. If you are using a locked CPU, setting the switches
does not produce any effect.
Set the CPU frequency only to the recommended settings. Frequencies
other than the recommended CPU bus frequencies are not guaranteed to
be stable.
The default CPU external frequency is 100 MHz. If your CPU supports
200/166/133 MHz external frequency, adjust the DSW settings before
installing the motherboard to the chassis.
The DSW switch tells the clock generator what frequency to send the
CPU. This allows the selection of the CPU’s external frequency (or bus
clock). The bus clock multiplied by the frequency multiple equals the
CPU’s internal frequency (the advertised CPU speed).
A7V400-MX SE
O
N
12345
O
N
12345
O
N
12345
O
N
12345
A7V400-MX SE CPU
external frequency selection
DSW
CPU
AGP
PCI
166.67MHz
66.67MHz
33.33MHz
133.33MHz
66.67MHz
33.33MHz
100MHz
66.67MHz
33.33MHz
200MHz
66.67MHz
33.33MHz
(Default)
A7V400-MX SE
O
N
12345
A7V400-MX SE DIP switches
ON
OFF
100MHz
66.67MHz
33.33MHz
(Default)
FSBFSB
FSBFSB
FSB
CPU External FrequencyCPU External Frequency
CPU External FrequencyCPU External Frequency
CPU External Frequency
400 200 MHz
333 166 MHz
266 133 MHz
200 100 MHz