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
CHA_DIMM0, CHA_DIMM1
CHB_DIMM0, CHB_DIMM1
DDR4 DIMM slots
DIO1
Digital I/O connector
DBG_SPI1
EC debug connector
CPU_FAN1, SYS_FAN1
Fan connectors
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_B1
M.2 B-key slot
M2_M1
M.2 M-key slot (on solder side)
PWR_SW1
On-board power switch
COM1, COM2
RS-232 serial port connectors
COM3, COM4
RS-422/485 serial port connectors
S_ATA3, S_ATA4,
S_ATA5, S_ATA6
SATA 6Gb/s connectors
SMB1
SMBus connector
SIM1
SIM card slot
JUSB3, JUSB4, JUSB5
Internal USB 2.0 connectors
