ASROCK Q2900M User Manual page 20

Serial Port Header
(9-pin COM1)
(see p.5, No. 12)
Print Port Header
(25-pin LPT1)
(see p.5, No. 13)
16
RRXD1
DDTR#1
DDSR#1
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
AFD#
ERROR#
PINIT#
GND
SLIN#
1
SPD7
SPD6
ACK#
SPD5 BUSY
SPD4
SPD3
SPD2
SPD1
SPD0
STB#
his COM1 header
supports a serial port
module.
his is an interface
for print port cable
that allows convenient
connection of printer
PE
SLCT devices.