Table of Contents
Advertisement
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.
Power LED/Speaker Header
On the JD1 header, pins 1-3 are for the Power LED and pins 4-7 are for the speaker.
External I
C Header
2
The system management bus header is located at JIPMB1. Connect the appropriate cable here
to use the IPMB I
C connection on your system. Refer to the table below for pin definitions.
2
GPIO Header
Pin Definitions
Pin#
Definition
Pin#
Definition
1
+3.3V
2
GND
3
GP0
4
GP4
5
GP1
6
GP5
7
GP2
8
GP6
9
GP3
10
GP7
Standby Power
Pin Definitions
Pin#
Definition
1
+5V Standby
2
Ground
3
No Connection
Speaker Connector
Pin Definitions
Pin Setting
Definition
Pins 1-3
Power LED
Pins 4-7
Speaker
SMBus Header
Pin Definitions
Pin#
Definition
1
Data
2
GND
3
Clock
4
NC
47
Chapter 3: Motherboard Connections
Advertisement
Table of Contents
