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Jumpers and Connectors
The board has a number of jumpers that allow you to con-
figure your system to suit your application. The table below
lists the function of each jumper and connector.
Connector/Jumper List
Label
Function
ATX 12 V auxiliary power connec-
ATX12V1+ATX12V2
tor (for CPU)
AUDIO1+AUDIO2
Audio connector (Line Out, Mic In)
Serial port: RS-232 (9-pin header,
COM4 ~ COM6
G2 sku only)
Serial port: RS-232/422/485 (9-
COM3
pin header, G2 sku only)
Serial port: RS-232 (DB-9 con-
COMD1
nector)
CPUFAN1
CPU fan connector (4-pin)
DIMMA1
Channel A DIMM1
DIMMB1
Channel B DIMM1
ATX 24-pin main power connector
EATXPWR1
(for system)
FPAUD1
Front panel audio connector
GPIO1
8 bit GPIO from super I/O
HDMI1
HDMI connector (G2 sku only)
JCASE1
Case open connector
JCMOS1
CMOS clear data
JFP1
Power switch/reset connector
External speaker/HDD LED con-
JFP2
nector/SMBus connector
Power LED
Suspend: fast flash (ATX/AT)
JFP3
System on: on (ATX/AT)
System off: off (ATX/AT)
JFV1
VGA dummy load setting
JME1
Intel ME update
JPCICLK1
PCI clock selection
COM3 RS-422/485 termination
JR1+JT1
resistor
COM3 RS-232/422/485 jumper
JSETCOM3
setting
External USB power source
JUSB1
switch
JUSB2
Internal USB power source switch
Watchdog timer output and OBS
JWDT1+JOBS1
alarm
LAN1
GbE LAN
LAN2
GbE LAN (G2 sku only)
2 AIMB-708 Startup Manual
Jumpers and Connectors (Cont.)
Front panel LAN indicator con-
LANLED1
nector
M.2 2280 M-key socket (G2 sku
NVME1
only)
PCI1 ~ PCI4
PCI slot
PCIE1
PCIe x16 slot (x16 Gen 4 link)
PCIE2 ~ PCIE3
PCIe x4 slot (x2 Gen 3 link)
PSON1
ATX/AT mode selection
SATA4 ~ SATA7
Serial ATA 3.0 port
PCIe SMBus connection setting
SMB1 ~ SMB2
for PCIE2 ~ PCIE3 slot
PCIe SMBus connection setting
SMB3 ~ SMB4
for PCIE1 slot
SMBUS1
SMBus connector from PCH
SPDIF_OUT1
SPDIF audio out pin header
SPI (Serial Peripheral Interface)
SPI_TPM1
connector
SYSFAN1 ~ SYS-
System fan connector (4-pin)
FAN3
USB2A1
USB 2.0 port (internal Type-A)
USB 2.0 port (internal Type-A, G2
USB2A2
sku only)
USB2C1
USB 2.0 port *2
USB2H1
2x USB 2.0 port (10-pin header)
USB 3.2 Gen 1 port *2 (G2 sku
USB3C1
only)
USB3C2
USB 3.2 Gen 1 port *2
VGA1
VGA connector
VOLT1
Alarm board power connector
Note
Due to the Intel design specification, the PCIE1
slot can only support graphic cards and storage
cards (1x8 bifurcated PCIe 5.0, 1x4 PCIe 4.0).
Other types of add-on cards installed in this slot
may not function. Please refer to product user
manual for compatibility list.
JCMOS1: CMOS clear data
JME1: Intel ME update
Closed Pins
Result
1-2
*Keep CMOS data
*Enable ME update
2-3
Clear CMOS data
Disable ME update
* Default
1
2
3
*Keep CMOS data
*Enable ME update
1
2
3
Clear CMOS data
Disable ME update
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