Hardware Installation - 28 -
15) TPM (Trusted Platform Module Header)
You may connect a TPM (Trusted Platform Module) to this header.
Pin No. Denition Pin No. Denition
1 LCLK 11 LAD0
2 GND 12 GND
3 LFRAME 13 RSV0
4 No Pin 14 RSV1
5 LRESET 15 SB3V
6 VCC5 16 SERIRQ
7 LAD3 17 GND
8 LAD2 18 CLKRUN
9 VCC3 19 LPCPD
10 LAD1 20 RSV2
20
19
2
1
14) BAT (Battery)
Thebatteryprovidespowertokeepthevalues(suchasBIOScongurations,date,andtimeinformation)
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. •