Gigabyte GA-Z68MX-UD2H-B3 - BAT Battery

- 25 - Hardware Installation
3/4) CPU_FAN/SYS_FAN (Fan Headers)
The motherboard has a 4-pin CPU fan header (CPU_FAN), a 4-pin (SYS_FAN). Most fan headers pos-
sess a foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct orien-
tation (the black connector wire is the ground wire). The motherboard supports CPU fan speed control,
which requires the use of a CPU fan with fan speed control design. For optimum heat dissipation, it is
recommended that a system fan be installed inside the chassis.
Be sure to connect fan cables to the fan headers to prevent your CPU and system from overheating. Over- •
heating may result in damage to the CPU or the system may hang.
Thesefanheadersarenotcongurationjumperblocks.Donotplaceajumpercapontheheaders. •
CPU_FAN:
SYS_FAN:
Pin No. Denition
1 GND
2 +12V /Speed Control
3 Sense
4 Speed Control
Pin No. Denition
1 GND
2 +12V /Speed Control
3 Sense
4 Reserve
5) BAT (Battery)
 Thebatteryprovidespowertokeepthevalues(suchasBIOScongurations,date,andtimeinformation)
in the CMOS when the computer is turned off. Replace the battery when the battery voltage drops to a
low level, or the CMOS values may not be accurate or may be lost.
You may clear the CMOS values by removing the battery:
Turn off your computer and unplug the power cord.1.
Gently remove the battery from the battery holder and wait for one 2.
minute. (Or use a metal object like a screwdriver to touch the positive
and negative terminals of the battery holder, making them short for 5
seconds.)
Replace the battery. 3.
Plug in the power cord and restart your computer.4.
Always turn off your computer and unplug the power cord before replacing the battery. •
Replace the battery with an equivalent one. Danger of explosion if the battery is replaced with •
an incorrect model.
Contact the place of purchase or local dealer if you are not able to replace the battery by your- •
self or uncertain about the battery model.
When installing the battery, note the orientation of the positive side (+) and the negative side (-) •
of the battery (the positive side should face up).
Used batteries must be handled in accordance with local environmental regulations. •
CPU_FAN
DEBUG
PORT
G.QBOFM
1
SYS_FAN
DEBUG
PORT
G.QBOFM
1