Parallel port, Serial ports com1 and com2, Rj-45 lan connector – Intel Express 5800/120Ld User Manual
Page 170
C-6 Connectors
Parallel Port
Parallel Port Connector Pinout
Pin
Signal
Pin
Signal
1
STROBE_L
10
ACK_L
2
Data bit 0
11
Busy
3
Data bit 1
12
PE
4
Data bit 2
13
SLCT
5
Data bit 3
14
AUTO_L
6
Data bit 4
15
ERROR_L
7
Data bit 5
16
INIT_L
8
Data bit 6
17
SLCTIN_L
9
Data bit 7
18
−
25
GND
Serial Ports COM1 and COM2
Serial Ports COM1 and COM2 Connector Pinout
Pin
Signal
Description
1
DCD
Data carrier detected
2
RXD
Receive data
3
TXD
Transmit data
4
DTR
Data terminal ready
5
GND
Ground
6
DSR
Data set ready
7
RTS
Return to send
8
CTS
Clear to send
9
RIA
Ring indication active
RJ-45 LAN Connector
RJ-45 LAN Connector Pinout
Pin
Signal
Description
1
TX+
Transmit data plus—the positive signal for the TD differential pair contains the
serial output data stream transmitted onto the network
2
TX-
Transmit data minus—the negative signal for the TD differential pair contains
the same output as pin 1
3
RX+
Receive data plus—the positive signal for the RD differential pair contains the
serial input data stream received from the network
4
NC
5
NC
6
RX-
Receive data minus—the negative signal for the RD differential pair contains
the same input as pin 3
7
NC
8
NC