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75MIV
2-7 FREQUENCY RATIO SELECT (SW3 DIP1-DIP5)
•
The AMD Athlon and Duron processor provides four Frequency ID signals
(FID) to the system controller to indicate the SYSTCLK multiplier at which
the processor core operates, This mechanism is automatic. The board
maker does not guarantee "Bus Ratio" can be selected if the processor
does not support it.
•
When LED "LED1" light is on, meaning that Bus Ratio Select Function is
enabled.
LED1
22
JUSB1
3
1
AGP 4X
PCI 1
AC'97
Codec
1
SW3 DIP1 ~ DIP5 SETTING
PCI 2
PCI 3
5.5x
5.0x
CNR 1
6.0x
6.5x
(Default)
7.0x
7.5x
8.0x
8.5x
9.0x
9.5x
10.0x
10.5x
11.0x
11.5x
12.0x
12.5x
FAN1
SW1
1
3
Clock
Generator
SOCKET A
RT2
VIA
VT8365A
1
3
Li
FAN2
PCI 1
Battery
3
WOL1
SW3 DIP5
PCI 2
RT2
VIA
VT82C
686B
PCI 3
JP14
USB2
JP12
JCOD1
16
JP13
1
3
1
JP15
3 1
3
1
Bus ratio detected
by FID (Auto)
Bus ratio selected
by SW3 DIP 1-4
SW3 DIP 5 allows
you to enable or
disable the
"Frequency Ratio
Select" function.
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