Intel H61 User Manual page 20

COM5
COM6
COM2
COM4
In most cases COM4 serves as RS232 serial port. For RS422 & RS485 function user
also needs to go to BIOS to set 'Transmission Mode Select' as [RS422] or [RS485]
before connecting compatible COM cable to corresponding header.
(11) CPUFAN1 (4-pin): CPUFAN Header
(12) SYSFAN1/SYSFAN2 (3-pin): SYSFAN Headers
*COM10 *COM9
Pin6
Pin1
*COM7 *COM8
Pin NO.
*COM7/8/10/9
Pin 1
(Only optional for
Pin 2
Model NLH61
Pin 3
& NLB75)
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Pin1
CPUFAN
SYSFAN2
Pin1
SYSFAN1
16
RS232 *RS422 *RS485
(COM4 only) (COM4 only)
TX- DATA-
DCD
TX+ DATA+
RXD
TXD RX+ NC
RX- NC
DTR
GND GND
GND
DSR NC NC
RTS NC NC
NC NC
CTS
NC NC
RI
Pin1