Battery - Gigabyte GA-MA790FX-DS5 User Manual

20) LPT (Parallel Port Header)
The LPT header can provide one parallel port via an optional LPT port cable. For purchasing the
optional LPT port cable, please contact the local dealer.

21) BATTERY

The battery provides power to keep the values (such as BIOS configurations, 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.
• 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
yourself 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.
GA-MA790FX-DS5 Motherboard
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
You may clear the CMOS values by removing the battery:
1. Turn off your computer and unplug the power cord.
2. Gently remove the battery from the battery holder and wait for one 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.)
3. Replace the battery.
4. Plug in the power cord and restart your computer.
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2
1
Definition Pin No.
STB- 14
AFD- 15
PD0 16
ERR- 17
PD1 18
INIT- 19
PD2 20
SLIN- 21
PD3 22
GND 23
PD4 24
GND 25
PD5 26
26
25
Definition
GND
PD6
GND
PD7
GND
ACK-
GND
BUSY
GND
PE
No Pin
SLCT
GND