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Fan Headers
The X9DAi has eight fan headers, all
of which are 4-pin fans. However, pins
1-3 of the fan headers are backward
compatible with the traditional 3-pin
fans. See the table on the right for
pin definitions. The onboard fan
speeds are controlled by Thermal
Management (via Hardware Monitor-
ing) under the Advanced Section in
the BIOS. The default is disabled.
When using Thermal Management
setting, please use all 3-pin fans or
all 4-pin fans.
Internal Speaker
The Internal Speaker, located at SP1,
can be used to provide audible indica-
tions for various beep codes. See the
table on the right for pin defi nitions.
Power LED/Speaker
On JD1 header, pins 1-3 are used for
power LED indication, and pins 4-7
are for the speaker. See the tables
on the right for pin defi nitions. Please
note that the speaker connector
pins (4-7) are used with an external
speaker. If you wish to use the on-
board speaker, you should close pins
6-7 with a jumper.
Chapter 5: Advanced Serverboard Setup
Fan Header
Pin Defi nitions
Pin#
1
2
3
4
Internal Buzzer (SP1)
Pin Defi nition
Pin#
Pin 1
Pos. (+)
Pin 2
Neg. (-)
PWR LED Connector
Pin Defi nitions
Pin Setting
Defi nition
Pin 1
Anode (+)
Pin2
Cathode (-)
Pin3
NA
Speaker Connector
Pin Settings
Pin Setting
Defi nition
Pins 4-7
External Speaker
Pins 6-7
Internal Speaker
5-21
(FAN1-8)
Defi nition
Ground (Black)
+12V (Red)
Tachometer
PWM Control
Defi nitions
Beep In
Alarm
Speaker
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