Supermicro 2027R-E1R24L, User Manual

Page: 72 / 131

Chapter 5: Advanced Serverboard Setup
5-23
IPMB
A System Management Bus header
for IPMI 2.0 is located at IPMB. Con-
nect the appropriate cable here to
use the IPMB I
2 C connection on your
system.
IPMB Header
Pin Defi nitions
Pin# De fi nition
1 Data
2 Ground
3 Clock
4 No Connection
Power Supply SMBus I 2 C Header
The power System Management Bus
header at JPI
2 C1 is used to monitor
the status of the power supply, fan and
system temperature. See the table on
the right for pin de
fi nitions.
PWR SMBus Header
Pin Defi nitions
Pin# De fi nition
1 Clock
2 Data
3 PWR Fail
4 Ground
5 +3.3V
Standby Power Header
The +5V Standby Power header is
located at JSTBY1 on the mother-
board. See the table on the right for
pin de
fi nitions. (You must also have a
card with a Standby Power connector
and a cable to use this feature.)
Standby PWR
Pin Defi nitions
Pin# De fi nition
1 +5V Standby
2 Ground
3 Wake-up
LAN3/LAN4 LED Indicators
The NIC (Network Interface Control-
ler) LED connections for LAN Port 3
are located on pins 3 and 4 of JF2,
and the LED connections for LAN Port
4 is on Pins 1 and 2 of JF2. Attach NIC
LED cables here to display network
activities. Refer to the table on the
right for pin de
fi nitions.
LAN Ports 3/4 LED Indicators (JF2)
Pin Defi nitions
Pin# De fi nition Pin De fi nition
1 LAN4 Activity 2 LAN4 Link
3 LAN3 Activity 4 LAN3 Link