6
Jumpers Setting and Connectors
LABEL
FUNCTION
J_ATX_AT1
AT/ATX power mode setting
SW_BIOS1_1
BIOS selection switch
J_CMOS1
Clear CMOS jumper
J_FLASH1
Flash descriptor security override jumper
CPU12V1
ATX CPU 12V power connector
J_AUDIO1
Audio connector
BAT1
RTC battery connector
CHASSIS1
Chassis intrusion connector
DIMM1, DIMM2
DDR4 SO-DIMM slots
DIO1
Digital I/O connector
DBG_SPI1
EC debug connector
CPU_FAN1
Fan connector
JSPI1
Flash SPI ROM connector
JEC1
Flash EC ROM connector
F_PANEL1
Front panel connector
I2C1
I
2
C connector
LED_LAN1
LAN1 link LED connector
LED_LAN2
LAN2 link LED connector
M2_A1
M.2 A-key slot
M2_M1
M.2 M-key slot (on solder side)
COM1, COM2
RS-232/422/485 serial port connectors
S_ATA1, S_ATA2,
SATA 6Gb/s connectors
SMB1
SMBus connector
SPK1
Speaker connector
USB2
Internal USB 2.0 connector
LAN1, LAN2
External 2.5GbE RJ-45 connectors
HDMI1
External HDMI connector
CN1, CN2
External USB 3.2 Gen 1 connectors
CON1
External USB 3.2 Gen 2 connector