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Chapter 4: Motherboard Connections
SuperServer 5019S-WR User's Manual
SMBus to PCI Slots
Jumpers JI
2
C1 and JI
2
C2 allow you to connect the System Management Bus (I
2
C) to the
PCI-E/PCI slots. The default setting is Open (Disabled.)
Both jumpers must be set to the same
setting (JI
2
C1 controls the clock and JI
2
C2 controls the data). The default setting is Enabled.
SMBus to PCI Slots
Jumper Settings
JI
2
C1 Setting
JI
2
C2 Setting
Definition
JI
2
C1: Closed JI
2
C2:Closed
Enabled
JI
2
C1: Open
JI
2
C2: Open
Disabled
BIOS Recovery
Use jumper JBR1 to recover the BIOS settings on the motherboard. Refer to the table below
for jumper settings. The default setting is Normal.
BIOS Recovery
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Normal
Pins 2-3
BIOS Recovery
Manufacturer Mode Select
Close pin 2 and pin 3 of jumper JPME2 to bypass SPI flash security and force the system to
operate in the manufacturer mode, which will allow the user to flash the system firmware from
a host server for system setting modifications. Refer to the table below for jumper settings.
The default setting is Normal.
Manufacturer Mode
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Normal
Pins 2-3
Manufacturer Mode
BMC Enabled
Jumper JPB1 allows the user to enable the embedded Baseboard Management Controller
(BMC) to provide IPMI 2.0/KVM support on the motherboard. Refer to the table below for
jumper settings. The default setting is BMC Enable.
BMC Enable
Jumper Settings
Jumper Setting
Definition
Pins 1-2
BMC Enabled
Pins 2-3
Disabled
4.5 LED Indicators
LAN1/2 LEDs
The Ethernet ports (located beside the VGA port) have two LEDs. On each port, one LED
indicates activity when flashing while the other LED may be green, amber or off to indicate
the speed of the connection. The same indicator status applies to the dedicated IPMI LAN.
Onboard Power LED
LEDPWR is an Onboard Power LED. When this LED is lit, it means power is present on the
motherboard. In suspend mode this LED will blink on and off. Be sure to turn off the system
and unplug the power cord(s) before removing or installing components
Onboard Power LED Indicator
LED Color
Definition
Off
System Off (power
cable not connected)
Green
System On
LAN1/2 Activity LED (Right)
LED State
Color
Status
Definition
Green or Amber Flashing
LAN Activity
LAN1/2 Link LED (Left)
LED State
LED Color
Definition
Off
No Connection/10 Mbps
Amber
1 Gbps
Green
100 Mbps
BMC Heartbeat LED
A BMC Heartbeat LED is located at LEDBMC on the motherboard. When LEDBMC is blinking,
the Baseboard Management Controller is functioning normally.
BMC Heartbeat LED Indicator
LED Color: State
Definition
Green: Blinking
BMC: Normal
EC Heartbeat LED
An EC Heartbeat LED is located at LEDEC1 on the motherboard. When LEDEC1 is blinking,
the EC is functioning normally. Refer to the table below for more information.
EC Heartbeat LED Indicator
LED Color: State
Definition
Green: Blinking
EC: Normal
