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6SMM7
X3.5
ON
X4
ON
X4.5
ON
X5
ON
X5.5
ON
X6
OFF
X6.5
OFF
X7
OFF
X7.5
OFF
X8
OFF
Set System Bus Speed
SW2:
CPU
1
66
O
75
X
83
O
100
O
112
X
133
X
M
The CPU is a sensitive electric component and it can be easily
damaged by static electricity, so users must keep it away from
metal surface when the CPU is installed onto main board.
MNote: Please set the CPU host frequency in accordance with your
processor' s specifications. We don' t recommend you to set
the
system bus frequency over the CPU' s specification because
these specific bus frequencies are not the standard
specifications for CPU, chipset and most of the peripherals.
Whether your system can run under these specific bus
frequencies properly will depend on
your hardware configurations, including CPU, Chipsets,
SDRAM,
Cards... .etc.
3.6. CMOS RTC & ISA CFG CMOS SRAM
The mainboard contains RTC & CMOS SRAM on board. They have a power
supply from external battery to keep the DATA inviolate & effective. The RTC
is a REAL-TIME CLOCK device, which provides the DATE & TIME to
system. The CMOS SRAM is used for keeping the information of system
OFF
ON
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
ON
OFF
ON
ON
ON
OFF
ON
ON
OFF
2
3
O
O
O
O
X
O
O
X
O
X
X
X
3-7
OFF
ON
ON
OFF
OFF
ON
ON
OFF
OFF
ON
4
X
X
X
X
X
X
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