Chapter 1: Overview
1-5
Motherboard Jumpers
Jumper
Description
Default Setting
J13
Power-Fail Trigger Thermal Throttling Enable
Pins 2-3 (Enabled)
JBT1
Clear CMOS/Reset BIOS Con
fi
guration
See Chapter 2
JPG1
VGA Enable
Pins 1-2 (Enabled)
JPME2
Manufacture (ME) Mode Select
Pins 1-2 (Normal)
JPT1
Trusted-Platform Module (TPM) Enable
Pins 1-2 (Enabled)
JWD1
Watch Dog
Pins 1-2 (Reset)
Motherboard Connectors
Connector
Description
Battery (JBAT1)
Onboard CMOS battery (See the Note on P. 1-3.)
COM1
Backplane COM port
FAN1-FAN10
System cooling fan headers (FAN1-FAN10)
J3/J12
SMC-proprietary main power connection headers
JF1
Front panel control header
JIPMB1
4-pin external BMC I
2
C header (for an IPMI Card)
JL1
Chassis intrusion header
JNVI
2
C3/4
System Management Bus (SMB) for non-volatile memory
headers (JP12/JP11)
JPWR1-3
8-pin power connectors 1-3 for backplane use
JPWR4-7
8-pin power connectors 4/5/6/7 used for GPU devices
JSD1/JSD2
SATA DOM (Disk_On_Module) power connectors
JSTBY1
Standby power header
JTPM1
TPM (Trusted Platform Module)/Port 80 header
(IPMI) LAN
IPMI_dedicated LAN
I-SATA0-3
I-SATA 0-3 connections supported by the Intel PCH
I-SATA4/5
I-SATA 4/5 connectors with power pins built-in with support of
SuperDOMs (Devices-on-Module)
S-SATA0-3
S-SATA 0-3 connections supported by the Intel PCH
(CPU3) Slot1
PCI-E 3.0 x16 Slot supported by CPU3 (used for SMC-
proprietary add-on cards)
(CPU4) Slot2
PCI-E 3.0 x16 Slot supported by CPU4 (used for SMC-
proprietary add-on cards)
SP1
Internal buzzer/speaker
SXB2
PCI-E 3.0 x8 in x16 slot supported by CPU1
SXB1A/1B/1C
PCI-E 3.0 x32 slot supported by CPU1 (used for SMC-
proprietary riser cards)
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