Supermicro 2027R-E1R24L User Manual page 72

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 C connection on your
2
system.
Standby Power Header
The +5V Standby Power header is
located at JSTBY1 on the mother-
board. See the table on the right for
pin defi nitions. (You must also have a
card with a Standby Power connector
and a cable to use this feature.)
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 defi nitions.
Power Supply SMBus I
The power System Management Bus
header at JPI C1 is used to monitor
2
the status of the power supply, fan and
system temperature. See the table on
the right for pin defi nitions.
Chapter 5: Advanced Serverboard Setup
2
C Header
5-23
IPMB Header
Pin Defi nitions
Pin# Defi nition
1 Data
2 Ground
3 Clock
4 No Connection
Standby PWR
Pin Defi nitions
Pin# Defi nition
1 +5V Standby
2 Ground
3 Wake-up
LAN Ports 3/4 LED Indicators (JF2)
Pin Defi nitions
Pin# Defi nition Pin
1 LAN4 Activity 2
3 LAN3 Activity 4
PWR SMBus Header
Pin Defi nitions
Pin# Defi nition
1 Clock
2 Data
3 PWR Fail
4 Ground
5 +3.3V
Defi nition
LAN4 Link
LAN3 Link