Chapter:
Connectors
System
page 14 embedded-logic
PB945+
4.2 System
The system connector, which has the main functions that are necessary to start the board, is provided via
a standard IDC socket connector with a spacing of 2.54 mm.
This connector supports the following interfaces: PS/2 keyboard, PS/2 mouse, speaker, external RTC-
battery, hard disk LED and reset of the board.
Description
Name
Pin
Name
Description
speaker to 5 volt
SPEAKER
1
2
GND
ground
reset to ground
RESET#
3
4
KLOCK#
keyboard lock
keyboard Data
KDAT
5
6
KCLK
keyboard clock
mouse data
MDAT
7
8
MCLK
mouse clock
CMOS battery
≥
3 volt
VBAT
9
10
VCC
5 volt supply