- Pentium 4 Full Size PICMG CPU Card User's Manual

INSTALLATIONS
22 IB810 User’s Manual
J8, J9: COM1, COM2 Serial Port
J8 and J9, both 10-pin headers, are the onboard serial port connectors.
Pin # Signal Name
RS-232 RS-422 RS-485
1 DCD TX- DATA-
2 RX TX+ DATA+
3 TX RX+ NC
4 DTR RX- NC
5 GND GND GND
6 DSR RTS- NC
7 RTS RTS+ NC
8 CTS CTS+ NC
9 RI CTS- NC
J8
fixed as
RS-232
J9
Configurable
as RS-232/
RS-422/485
with jumpers
JP2/JP3/JP4
10 NC NC NC
J10: TV-Out Connector
The TV-Out connector is used together with the optional ID120 daughter
card to support the function.
Signal Name Pin Pin Signal Name
Ground 1 2 Ground
Y 3 4 C
NC 5 6 NC
J10
COMP 7 8 Protect Pin