11
COM1 RS-232 DB-9 Connector
Pin
Signal
1
DCD, Data carrier detect
2
RXD, Receive data
3
TXD, Transmit data
4
DTR, Data terminal ready
5
GND, ground
6
DSR, Data set ready
7
RTS, Request to send
8
CTS, Clear to send
9
RI, Ring indicator
PS-KBMS1 Internal PS/2 Keyboard & Mouse
Pin
Signal Name
Pin
Signal Name
1
KB_DATA
2
NC
3
GND
4
KB_PWR
5
KB_CLK
6
NC
7
MS_DATA
8
NC
9
GND
10
KB_PWR
11
MS_CLK
12
NC
13
GND
14
GND
15
GND
16
GND
Summary of Contents for MX255D
Page 13: ...13 Motherboard Layout...
