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10) TPM (Trusted Platform Module Header)
You may connect a TPM (Trusted Platform Module) to this header.
19
TPM
w/housing
20
11) CLR_CMOS (Clear CMOS Jumper)
Use this jumper to clear the BIOS configuration and reset the CMOS values to factory defaults. To clear
Voltage measurement points(G1.Sniper 3)
the CMOS values, use a metal object like a screwdriver to touch the two pins for a few seconds.
Open: Normal
Short: Clear CMOS Values
• Always turn off your computer and unplug the power cord from the power outlet before clearing the CMOS values.
• After system restart, go to BIOS Setup to load factory defaults (select Load Optimized Defaults) or manually
configure the BIOS settings (refer to Chapter 2, "BIOS Setup," for BIOS configurations).
12) BAT (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.
DB_PORT
1
Pin No. Definition
Voltage measurement module(X58A-OC)
1
LCLK
2
GND
2
3
LFRAME
4
No Pin
5
LRESET
PCIe power connector (SATA)(X58A-OC)
6
NC
7
LAD3
8
LAD2
9
VCC3
10
LAD1
BIOS Switcher (SW4)
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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BIOS Switcher (X58A-OC)
1
1
Pin No. Definition
11
LAD0
PWM Switch (X58A-OC)
3
12
GND
DIP
13
NC
DIP
14
ID
1 2 3
15
SB3V
16
SERIRQ
17
GND
18
NC
19
NC
20
SUSCLK
M_SATA
2
1
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