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Chapter 4: Motherboard Connections
BMC NC-SI Connection
This jumper (JNCSI1_SEL) allows you to set the BMC NC-SI connection. Close pins 1 and
2 of JNCSI1_SEL to set the BMC NC-SI connection to the AIOM slot (P1-AIOM). Close pins
2 and 3 of JNCSI1_SEL to set the BMC NC-SI connection to the NC-SI connector (JNCSI1)
for BMC shared LAN. Refer to the table below for jumper settings.
BMC NC-SI Connection
Jumper Settings
Jumper Setting
Definition
Pins 1-2
AIOM (Default)
Pins 2-3
JNCSI1
UID Enable/System Reset
This jumper (JUID) is used to select one of JFP1 pin 2 functions (refer to page
definitions of JFP1). Close pins 1 and 2 of JUID to enable onboard UID support. Close pins
2 and 3 of JUID to reset your system. Refer to the table below for jumper settings.
UID Enable/System Reset
Jumper Settings
Jumper Setting
Definition
Pins 1-2
UID Enabled
Pins 2-3
System Reset (Default)
Watchdog
Watchdog (JWD1) is a system monitor that can reboot the system when a software application
hangs. Close pins 1-2 to reset the system if an application hangs. Close pins 2-3 to generate
a non-maskable interrupt (NMI) signal for the application that hangs. Refer to the table below
for jumper settings. For this function to work properly, please also enable the Watchdog
setting in the BIOS.
Watchdog
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Reset
Pins 2-3
NMI
Open
Disabled
ME Recovery
JPME2 is used for ME Firmware Recovery mode, which will limit system resource for essential
function use only without putting restrictions on power use. In the single operation mode,
online upgrade will be available via Recovery mode. Refer to the table below for jumper
settings.
ME Recovery
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Normal (Default)
Pins 2-3
ME Recovery
