15
Chapter 1: Introduction
Note:
Table is continued on the next page.
Quick Reference Table
Jumper
Description
Default Setting
JBT1
CMOS Clear
Open (Normal) (See Chpt. 4)
JPG1
VGA Enable
Pins 1-2 (Enable)
JPME1
Manufacturing Mode Select
Pins 1-2 (Normal)
JVRM1
VRM SMBus Clock (to BMC or PCH)
Pins 1-2 (BMC, Normal)
JVRM2
VRM SMBus Data (to BMC or PCH)
Pins 1-2 (BMC, Normal)
JWD1
Watch Dog Timer Enable
Pins 1-2 (Reset to System)
LED
Description
Status
LE1
UID (Unit Identifier) LED
Solid Blue: Unit identified
LE2
Power LED
On: Onboard power on
LED 1
M.2 Power LED
On: M.2 power on
LEDM1
BMC Heartbeat LED
Blinking Green: BMC normal
Connector
Description
BT1
Onboard CMOS battery
CN10/CN11
x4 Oculink Connectors connected to CPU2 for NVMe drive for HSSI add-on card use
COM1
COM port (COM1) for front access
FAN1-10
System cooling fan headers (Fan1-Fan 8) & active CPU heatsink fan headers (Fan9/
Fan10)
IPMI_LAN
Dedicated IPMI LAN port
LAN1/LAN2
10GbE LAN Ethernet ports 1/2 on the I/O back panel
JF1
Front panel control header
JHFI1/JHFI2
Host Fabric Interface (HFI) sideband headers used for the HFI carrier cards (JHFI1
is used when an F model CPU is installed in CPU Socket 1; JHFI2 is used when an
F-model CPU is installed in CPU Socket 2.) (See Notes below.)
JHSSI1/2
Intel 81xx/61xx/51xx/41xx/31xx CPU-FPGA sideband headers (1/2) for CPU-FPGA
add-on cards
JIPMB1
4-pin System Management Bus (SMBus) I
2
C header (for an IPMI-supported card)
JL1
Chassis Intrusion header
JM2-1
PCI-E M.2 slot
JNCS1
Add-on card header used for the AOC that supports NCSI (Network Communication
Services Interface)
JNVI
2
C1/ JNVI
2
C2
NVMe SMBus (I
2
C) headers used for PCI-E hot-plug SMBus clock & data connections
(an SMCI-proprietary NVMe add-on card and cable are required for each NVMe
SMBus header. This feature is available for a Supermicro complete system only.)
JPW19/20, JPW 21/22
SMCI-proprietary power supply units 19/20, 21/22 for system use
JPWR1-8, JPWR9-16
8-pin GPU power supply connectors 1-8, 9-16
JRK1
Intel RAID Key header for NVMe SDD
JSDCARD1
BMC_SD card header
JTPM1
Trusted Platform Module/Port 80 connector
JUIDB1
UID (Unit Identifier) switch