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Chapter 4: Motherboard Connections
Quick Reference Table
Jumper
Description
Default Setting
J1
M.2 SMBus Enable/Disable
Pins 1-2 (Enabled)
JBM1
IPMI Share LAN Enable/Disable
Open: Enabled (Default)
Closed: Disabled
JBM2
IPMI Dedicated/Share LAN Enable/Disable
Open: Enabled (Default)
Closed: Disabled
JBT1
CMOS Clear
Open: Normal
Closed: Clear CMOS
JI
2
C1/JI
2
C2
SMB to PCIe Slots Enable/Disable
Pins 2-3 (Disabled)
JPG1
VGA Enable/Disable
Pins 1-2 (Enabled)
JPL1
LAN1 Enable/Disable
Pins 1-2 (Enabled)
JPL2
LAN2/3/4/5 Enable/Disable
Pins 1-2 (Enabled)
JPL3
LAN6/7/8/9 Enable/Disable
Pins 1-2 (Enabled)
JPME2
Manufacturing Mode Select
Pins 1-2 (Normal)
JPT1
TPM Enable/Disable
Pins 1-2 (Enabled)
JPUSB1
USB0/1 Wake up
Pins 1-2 (Enabled)
JVRM1
VRM SMB Data (to BMC or PCH)
Pins 1-2 (BMC)
JWD1
Watch Dog Timer
Pins 1-2 (Reset)
LED
Description
Status
LED1
Power LED
Solid Green: Power On
LED2
UID LED
Solid Blue: Unit Identified
LED3
Overheat/Power Fail/Fan Fail LED
Solid Red: Overheat
Blinking Red: Power Failure/Fan Failure
LEDM1
BMC Heartbeat
Blinking Green: BMC Normal
Connector
Description
BT1
Onboard Battery
COM1/COM2
COM1: Port, COM2: Header
FAN1 - FAN4, FANA, FANB
CPU/System Fan Headers
IPMI LAN
Dedicated IPMI LAN Port
JD1
Power LED/Speaker Header (Pins 1-3: Power LED, Pins 4-7: Speaker)
JF1
Front Control Panel Header
JGP1
General Purpose I/O Header
JIPMB1
System Management Bus Header (for IPMI only)
JL1
Chassis Intrusion Header
JLANLED1
LAN1 Activity LED Header
JLANLED2
LAN2-5 Activity LED Header
JLANLED3
LAN6-9 Activity LED Header
JMD1
M.2 Slot M-Key 2280/22110 (SATA3.0 / PCIe x4)
Table continued on next page.