Supermicro H8QG7-LN4F, User Manual, Page: 39 / 84

Chapter 2: Installation
2-19
SMBus Header
The JIPMB1 header at SMBus is
for the System Management Bus.
Connect the appropriate cable here
to utilize SMB on the system. See the
table on the right for pin defi nitions.
SMBus Header
(SMBus)
Pin Defi nitions
(JIPMB1)
Pin# Defi nition
1 Data
2 Ground
3 Clock
4 No Connection
Power SMB (I 2 C)
The Power System Management Bus
(I 2 C) connector (JPI2C1) monitors
the power suppply, fan and system
temperatures. See the table on the
right for pin defi nitions.
Power SMB I
2
C
Pin Defi nitions
(JPI2C1)
Pin# Defi nition
1 Clock
2 Data
3 PWR Fail
4 Ground
5 +3.3V
Overheat LED
C o n n e c t a n L E D t o t h e J O H 1
header to provide warning of chassis
overheating. See the table on the right
for pin defi nitions.
Overheat LED
Pin Defi nitions
(JOH1)
Pin# Defi nition
1 3.3V
2 OH Active
SATA DOM Power Connector
A power connector for SATA DOM
(Disk_On_Module) devices is located
at JSD1. Connect an appropriate cable
here to provide power support for your
DOM devices.
SATA DOM Power
Connector Pin
Defi nitions
(JSD1)
Pin# Defi nition
1 +5V
2 Ground
3 Ground
Compact Flash Card PWR
Connector
A C o m p a c t F l a s h C a r d P o w e r
Connector is located at JWF1.