Chapter 2: Installation
2-25
BMC Activity LED (LE2)
A BMC Heartbeat LED is located at LE2
on the motherboard. When LE2 is on,
BMC (Baseboard Management Controller)
is active. See the tables at right for more
information.
BMC Heartbeat LED Indicator
LED Settings
On
BMC is normal
JBT1
FA
N
1
LEB1 LEB2
JLPC80
JUSB2
LE4
SW1
JWD
JBMC1
JPG1
JPL1
JPL2
JBAT1
JNMI1 JRST1
JSPK1
USB0/1
IPMI_LAN
CMOS
CLEAR
P1 DIMM1A
P1 DIMM1B
P1 DIMM2A
P1 DIMM2B
P1 DIMM3B
P1 DIMM3A
InfinBand
P2 DIMM2A
P2 DIMM2B
P2 DIMM1A
P2 DIMM1B
CPU1
CPU2
I-SA
T
A
1
LAN1
LAN2
IPMB
COM1
VGA
Battery
P2 DIMM3A
P2 DIMM3B
Slot 1 PCI-E 2.0 x16
Connector
Winbond
WPCM450
InfiniBand
CTRL
JUSB2
C384
LAN CTRL1
LAN CTRL2
PHY
Intel 5520 (IOH-36D)
Intel ICH10R
South Bridge
BIOS
PWR Supply
FP
CTRL
X8DTT-H
LE1 LE3
JF2
LE2
Rev. 1.3
Intel 5500 (IOH-24D)
(For OEM only)
A. LE2
B. LE3
B
HDD/SATA LED
(LE3) Settings
Status Defi nition
On
HDD/SATA
Connected
Off
No connection
HDD/SATA LED (LE3)
An HDD/SATA LED Indicator is located at LE3
on the motherboard. This LED indicates the
status of hard drive activities or SATA activities
supported by the South Bridge. Also see the
layout below for the LED locations.
A
