16
CN36 : 6-pin Mini-DIN Keyboard Connector
PIN DESCRIPTION
1 KEYBOARD
DATA
2 MOUSE
DATA
3 GROUND
4 +5V
5 KEYBOARD
CLOCK
6 MOUSE
CLOCK
3.6 External Switches and Indicators
There are many external switches and indicators for monitoring and controlling
your CPU board.
CN2: Speaker Connector
PIN DESCRIPTION
1 +5V
2 Speaker
Signal
CN38 : Reset Connector
PIN DESCRIPTION
1 External
Reset
2 GROUND
CN32 : IDE LED Connector
PIN DESCRIPTION
1 +5V
2 HDD
ACTIVE#
CN24 : FAN Connector
PIN DESCRIPTION
1 N/C
2 +12V
3 GROUND
3.7 External Battery Connector
The JUKI-740E has built-in a 3V/850mAH industrial Li-battery for CMOS and RTC
backup. In normal operation, power will not need external battery to backup data.
If users want to connect external battery source, please take off the jumper
places on CN34 ’s pin 2-3. Then connect the external battery to pin 1-4.
CN34 : External Battery Connector
PIN DESCRIPTION
1
External B
2
Internal B
3
To CMOS power
4
Ground