Supermicro 6027TR-H70FRF, Руководство пользователя, Страница: 71 / 134

Chapter 5: Advanced Motherboard Setup
5-19
Unit Identifi er Switches
Two Unit Identifi er (UID) Switches and
two LED Indicators are located on the
motherboard. The Front Panel UID
Switch is located at Pin 16 on JF2.
The Rear UID Switch is located at SW1
next to the Infi niBand Connector. The
Front Panel UID LED is located at Pin
17 of JF2, and the Rear UID LED is
located at LE2. When the user presses
a UID switch on the front panel or on
the back panel, both Rear UID LED
and Front Panel UID LED Indicators
will be turned on. Press the UID switch
again to turn off both LED Indicators.
These UID Indicators provide easy
identifi cation of a system unit that may
be in need of service. See the table on
the right for pin defi nitions.
Note : UID LED is supported by the
physical switch or the BMC. When it
is controlled by the physical switch, it
will stay solid. When it is controlled by
the BMC, it will blink.
UID Switch
Pin# Defi nition
1 Ground
2 Ground
3 Button In
4 Ground
UID Switches & LEDs
Description Location
FP Switch Pin 16 on JF2
Rear Switch SW1
FP UID LED
(Blue LED) Pin 17 on JF2
Rear UID LED LE2
NMI Header
The non-maskable interrupt header is
located at JNMI1. Refer to the table on
the right for pin defi nitions.
NMI Button (JNMI1)
Pin Defi nitions
Pin# Defi nition
1 Control
2 Ground
IPMB I2C SMB
A System Management Bus header
for the IPMI slot is located at JIPMB1.
Connect an appropriate cable here to
use the IPMB I
2
C connection on your
system.
SMB Header (JIPMB1)
Pin Defi nitions
Pin# Defi nition
1 Data
2 Ground
3 Clock
4 No Connection