ASROCK AM1H-M User Manual page 21

CPU Fan Connector
(4-pin CPU_FAN1)
(see p.1, 3, 5, No. 1)
ATX Power Connector
(24-pin ATXPWR1)
(see p.1, 3, 5, No. 5)
ATX 12V Power
Connector
(4-pin ATX12V1)
(see p.1, 3, 5, No. 2)
Serial Port Header
(9-pin COM1)
(see p.1, No. 15)
or
(see p.3, 5, No. 13)
Chassis Intrusion Header
(2-pin CI1)
(see p.1, No. 12)
or
(see p.3, 5, No. 10)
FAN_SPEED_CONTROL
CPU_FAN_SPEED
+12V
GND
1 2 3 4
12 24
1 13
AM1H-M
AM1B-MDH
AM1B-M
This 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.
This motherboard pro-
vides a 24-pin ATX power
connector. To use a 20-pin
ATX power supply, please
plug it along Pin 1 and Pin
13.
This motherboard pro-
vides an 4-pin ATX 12V
power connector.
This COM1 header
supports a serial port
module.
This motherboard
supports CASE OPEN
detection feature that
detects if the chassis cove
has been removed. This
feature requires a chassis
with chassis intrusion
detection design.
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