IPC/RSL8xxx-XxxxE: user documentation
DOC/IPC_RSL8-E; V1.9
© Syslogic Datentechnik AG, Switzerland, http://www.syslogic.com
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3.3.7.
Keyboard Interface (optional)
The keyboard signals are available on connector P4 for connection of PS/2 style keyboards.
The controller uses hardware interrupt 1 for the keyboard. It may be enabled/disabled in
CMOS setup SIO configuration.
Device Connection
Mating connector type: Housing Molex 51021-0400, Crimp contact Molex 50058-8100.
Wiring: AWG26.
Pin Number
Signal
Remarks
1
+5V (not fused)
2
KBDATA
3
KBCLK
4
GND
Tab. 19 PS/2 Keyboard connector P4
Important Note
Maximum cable length allowed for keyboard connection is 3 m.
Use shielded cables for maximum EMI protection.
