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Chapter 4: Motherboard Connections
JGP1 Header
Pin Definitions
Pin#
Definition
1
3.3V Stdby
2
Ground
3
GP0
4
GP1
5
GP2
6
GP3
7
GP4
8
GP5
9
GP6
10
GP7
4.2 Headers and Connectors
General Purpose I/O Header
The JGP1 (General Purpose Input/Output) header is a general purpose I/O expander on a
pin header via the SMBus. Refer to the table below for pin definitions.
Standby Power
The Standby Power header is located at JSTBY1 on the motherboard. Refer to the table
below for pin definitions.
Standby Power
Pin Definitions
Pin#
Definition
1
+5V Standby
2
Ground
3
No Connection
Fan Headers
The M11SDV-8C-LN4F has three 4-pin fan headers (FAN1, FAN2, FANA). These headers are
backwards-compatible with the traditional 3-pin fans. This motherboard supports dual cooling
zone. (Zone1:FAN1/2, Zone2:FANA). Fan speed control is available for 4-pin fans only by
Thermal Management via the IPMI 2.0 interface. Refer to the table below for pin definitions.
Fan Header
Pin Definitions
Pin#
Definition
1
Ground (Black)
2
2.5A/+12V (Red)
3
Tachometer
4
PWM_Control