Chapter:
Connectors
Power Supply, System Connectors, CPU
page 16
Beckhoff New Automation Technology
CB1052
3.1.2 System
Typical signals for system control are provided through a 2x13 IDC socket connector with a spacing of
2.54mm. This connector combines signals for power button, reset, keyboard lock, IrDA, and several
LEDs.
Pinout IDC socket connector "System 1":
Description
Name
Pin
Name
Description
on/suspend button
PWRBTN#
A1
B1
GND
ground
ground
GND
A2
B2
KBLOCK
keyboard lock
reserved
N/C
A3
B3
PWLED#
power LED
ground
GND
A4
B4
N/C
reserved
5 volt supply
VCC
A5
B5
PWLED
3.3 volt supply
harddisk LED
HDLED#
A6
B6
N/C
reserved
5 volt supply
VCC
A7
B7
VCC
5 volt supply
reserved
N/C
A8
B8
GND
ground
IrDA transmit
IRTX
A9
B9
N/C
reserved
ground
GND
A10
B10
BEEP
speaker
IrDA receive
IRRX
A11
B11
N/C
reserved
IrDA control
CIRRX
A12
B12
GND
ground
5 volt supply
VCC
A13
B13
RESET#
reset
