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S
S
UPER
ERVER 1026T-URF/1026T-UF User's Manual
2
Power SMB (I
C) Connector
The Power System Management Bus
(I
2
C) header (JPI
2
C) is used to moni-
tor the power supply, fan and system
temperatures. See the table on the
right for pin defi nitions.
2
IPMB I
C
A System Management Bus header
for the IPMI slot is located at IPMB.
Connect the appropriate cable here
to use the IPMB I
your system.
UID Buttons
There are two Unit Identifi cation (UID)
buttons on the serverboard. The Front
Panel UID Switch connects to pin 13
of JF1. The Rear UID Switch (SW1) is
located next to LAN2. Pushing the UID
switch on the Front Control Panel will
illuminate both the Rear UID and the
Control Panel UID indicators. Push the
either switch again to turn off both in-
dicators. These UID indicators provide
easy identifi cation of a system that may
be in need of service.
LAN1/2 (Ethernet Ports)
Two Ethernet ports (designated LAN1
and LAN2) are located beside the VGA
port on the I/O backplane. These ports
accept RJ45 type cables.
2
C connection on
5-18
PWR SMB
2
Pin Defi nitions (JPI
C)
Pin#
Defi nition
1
Clock
2
Data
3
PWR Fail
4
Ground
5
+3.3V
2
IPMB I
C
Pin Defi nitions (IPMB)
Pin#
Defi nition
1
Data
2
Ground
3
Clock
4
No Connection
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