10
Note
The user should note that all receptacles are marked with PIN1. The
symbol “#” indicates the ex-factory default value of the motherboard.
1) CPU_FAN1/SYS_FAN1
(CPU fan’s receptacle / system fan’s receptacle)
This receptacle can be used for connecting CPU/system fan. Its pins’
function is defined below. The user shall make sure the fan is conforming.
See Figure 2.5.
2) CLR_CMOS(CMOS port)
The correct time, system hardware and other information are saved in
the CMOS memory of the motherboard. The shutoff the computer’s
power supply won’t cause the loss of this information, for the CMOS
is powered by the battery on the motherboard. Its settings are seen in
Figure 2.6:
2.5 Setting motherboard’s jump wire and inserts
Figure 2.5
Figure 2.6
Pin
1-2#
2-3
Definition
Normal
Clear CMOS
Pin
1
2
3
4
Definition
Ground
12v
Signal
Ctrl
Содержание ITX-780G2
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