User manual
AM1H-M
AM1B-MDH
AM1B-M
29
English
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.9, 11, 13, No. 1)
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.
ATX Power Connector
(24-pin ATXPWR1)
(see p.9, 11, 13, No. 5)
is 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.
ATX 12V Power
Connector
(4-pin ATX12V1)
(see p.9, 11, 13, No. 2)
is motherboard pro-
vides an 4-pin ATX 12V
power connector.
Serial Port Header
(9-pin COM1)
(see p.9, No. 15)
or
(see p.11, 13, No. 13)
is COM1 header
supports a serial port
module.
Chassis Intrusion Header
(2-pin CI1)
(see p.9, No. 12)
or
(see p.11, 13, No. 10)
is motherboard
supports CASE OPEN
detection feature that
detects if the chassis cove
has been removed. is
feature requires a chassis
with chassis intrusion
detection design.
12
1
24
13
GN D
+ 12V
CPU_FAN_SPEED
FAN_SPEED_CONTR OL
1 2 3 4