Advantech AIMB-341, User Manual, Page: 24 / 84

AIMB-341 User Manual 14
2.8 Clear RTC (J1)
This jumper sets clears all the data from the Real Time Clock (RTC) or
CMOS.
Action to erase RTC (CMOS) data.
This jumper is used to erase RTL (CMOS) data (including the setting of
date, time and password) and reset system BIOS information.
The procedure for clearing RTL (CMOS) is:
1. Turn off the system.
2. Short pin 1 and pin 2.
3. Turn on the system. The BIOS is now reset to its default setting.
2.9 Installing DIMMs
The procedure for installing DIMMs appears below. Please follow these
steps carefully.
1. Make sure that all power supplies to the system are switched off
2. Install the DIMM card. Install the DIMM so that its gold pins
point down into the DIMM socket.
Table 2.5: Clear RTC
Close pins Result
1-2 Normal
2-3 Clear RTC
Warning! To avoid damaging the computer, always turn
off the power supply before setting “Clear
CMOS” Before turning on the power supply,
set the jumper back to “3.0V Battery On”.
Notes The modules can only fit into a socket one way.
The gold pins must point down into the DIMM
socket.