User Manual
Switches and Indicators
Reset Button
Connector : RESET
Pin Description
1 RESET
2 GND
1 2
PLED
RESET
HLED
ATX Soft Power Switch
ESPK
9 10
JFRT1
Power LED Connector
Connector : PLED
Power LED can be indicated when the CPU card is on or off. And keyboard lock can be
used to disable the keyboard function so the PC will not respond by any input.
Pin Description
3 Power LED+
4 Power LED-
Power LED status description
Power Type AT Power ATX Power
Power On On On
Power Suspend Fast Glittering Fast Glittering
Power Off Off Slow Glittering
Hard Disk LED Connector
Connector : HLED
Pin Description
5 Hard Disk LED+
6 Hard Disk LED-
External Speaker Connector
Connector : ESPK1
Pin Description
7 +5V
8 Speak out
A
R
-
B1740 User'
s
Manua
l
9