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Technical data • Entire device
Automation PC 620 with 945GME N270 CPU board User's Manual V 1.10
2.13.29 PS/2 keyboard/mouse
Slot for a standard PS/2 mouse or a PS/2 AT-Enhanced keyboard. BIOS automatically
determines whether a mouse or a keyboard has been connected, and transfers this information
to the operating system.
With a PS/2 Y-cable, both keyboard and mouse can be operated simultaneously. They must be
connected before the system is switched on.
This interface has a Hot-Plug function for PS/2 keyboards (only when no PS/2 mouse has ever
been connected and used!).
Information:
APC620 embedded devices do not have a PS/2 interface.
Connection for keyboard/mouse (PS/2)
Pin Assignment PS/2 socket, female
1 DATA 0
2 DATA 1
3GND
4+5V
1)
1) The PS/2 keyboard/mouse interface is protected by a multifuse (1 A).
5CLK 0
6CLK 1
Table 66: Technical data - PS/2 keyboard/mouse (external PS/2)
Warning!
Because of general PC specifications, this interface should be used with extreme
care concerning EMC, location of cables, etc.. It should therefore only be used for
service!
Information:
The BIOS setup defaults only allow for the operation of a PS/2 keyboard. If a PS/2
mouse is connected, it must be activated in BIOS. In order to do this, set "PS/2
mouse" in the BIOS setup menu to "enabled" and save. (Located under Advanced -
Miscellaneous - Item "PS/2 mouse").
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