50
SuperServer 5019S-W4TR 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
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
NVMe Connection
Close pins 1 and 2 to enable NVMe add-on card support, which allows one of the PCIe 3.0
x8 links to always run at dual PCIe 3.0 x4. The default setting is Auto.
Note:
Use only NVMe add-on cards that have been validated by Supermicro. For the latest
updates, please refer to our website at http://www.supermicro.com/products/motherboard.
NVMe Connection
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Manual
Pins 2-3
Auto (Default)