Chapter 4 CPC-2245N Main Borad 53
Table 4-14: PS/2 keyboard connector
PS/2 Keyboard CN4
PS/2 Keyboard CN4
Pin Signal
Pin Signal
Pin Signal
Pin
Signal
1
KB_Data
31
KBDT
4
Vcc
29
KBVCC
2
NC
-
-
5
KBCLK
32
KBCK
3
GND
34
GND
6
NC
-
-
Table 4-15: PS/2 mouse connector
PS/2 Mouse
CN4
PS/2 Mouse
CN4
Pin Signal
Pin Signal
Pin
Signal
Pin
Signal
1
MDATA
30
MSDT
4
Vcc
29
KBVCC
2
NC
-
-
5
MCLK
33
MSCK
3
GND
34
GND
6
NC
-
-
4.10.4 Serial ports
The CPC-2245N offers two serial ports: COM1 and COM2, both in
RS- 232. These ports let you connect to serial devices (a mouse,
printers, etc.) or a communication network.
You can select the address for each port (For example, 3F8H
[COM1], 2F8H [COM2]) or disable it, using the BIOS Advanced
Setup program. Different devices implement the RS-232 standard in
different ways. If you are having problems with a serial device, be
sure to check the pin assignments for the connector.
The IRQ and address range for both ports are fixed. However, if
you wish to disable the port or change these parameters later, you
can do this in the system BIOS setup. The table below shows the
settings for the CPC-2245N board's ports:
Содержание HMI-640S
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Страница 81: ...Chapter 5 CPC 2520 VGA LCD Control Board 71 5 12 FPC cable installation...
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