ASROCK Q1900TM-ITX - Page 21

Q1900TM-ITX
17
English
Chassis Fan Connector
(4-pin CHA_FAN1)
(see p.5, No. 9)
Please connect fan cable
to the fan connector and
match the black wire to
the ground pin.
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.5, No. 7)
is motherboard pro-
vides a 4-Pin CPU fan
(Quiet Fan) connector.
If you plan to connect a
3-Pin CPU fan, please
connect it to Pin 1-3.
Consumer Infrared
Module Header
(7-pin CIR1)
(see p.5, No. 10)
is header can be used to
connect the remote controller
receiver.
Serial Port Header
(9-pin COM1)
(see p.5, No. 17)
is COM1 header
supports a serial port
module.
Backlight Control
Header
(8-pin BLT_VOL1)
(see p.5, No. 16)
1: Backlight Enable
2: Backlight Control
3: Backlight Power
4: Backlight Power
5: GND
6: GND
7: Brightness_Up
8: Brightness_Down
GND
+12V
CHA_FAN_SPEED
FAN_SPEED_CONTROL
GND
+12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
1
GND
Learn-in
IRTX
+5VA
LED
+5VA
CIR input
1
RTS
CT
S
GN
D
TXD
DC
D
DS
R
DT
R
RX
D
1
NC
RI