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SuperServer E300-9A-4C/E300-9A-8C User's Manual
3.2 Headers and Connectors
Fan Headers
There are four 4-pin fan headers on the motherboard. Pins 1-3 are backward compatible with
traditional 3-pin fans. The onboard fan speeds are controlled by Thermal Management via
IPMI. When using Thermal Management setting, use all 3-pin fans or all 4-pin fans. Refer to
the table below for pin definitions.
Fan Header
Pin Definitions
Pin#
Definition
1
Ground (Black)
2
+12V (Red)
3
Tachometer
4
PWM_Control
Speaker
JD1 is the speaker header. Connect the cable of the external speaker to pins 1-4.
General Purpose I/O Header
JGP1 is a general purpose input/ouput header via Intel PCH. Refer the table below for pin
definitions.
JGP1 Header
Pin Definitions
Pin#
Definition
Definition
1
+5V
+5V
2
Ground
Ground
3
GP0
GPP_E0
4
GP1
GPP_F1
5
GP2
GPP_E1
6
GP3
GPP_F2
7
GP4
GPP_E2
8
GP5
GPP_F3
9
GP6
GPP_F0
10
GP7
GPP_F4