5
Jumpers Setting and Connectors
LABEL
FUNCTION
J_CMOS2
Clear CMOS button
J_ATX_AT1
AT/ATX power mode setting switch
J_BIOS1_1
BIOS1/BIOS2 select jumper
J_DNX1
DNX mode setting jumper
J_FLASH1
Flash descriptor override setting jumper
IAUDIO1
Audio connector for
IEI AC-KIT-888S kit
CN3
ATX 12V power connector
BAT1
Battery connector
BZ1
Buzzer connector
DIO1
Digital I/O connector
CPU_FAN1, SYS_FAN2
Fan connectors
F_PANEL1
Front panel connector
PWR_SW1
Onboard power button
COM3, COM4,
COM5, COM6
RS-422/485 serial port connectors
S_ATA1
SATA 6Gb/s connectors
SATA_PWR1
SATA power connector
I2C1
I
2
C connector
SMB1
SMBus connector
JBIOS1
Flash SPI ROM connector
JEC2
Flash EC ROM connector
J_CONSOLE1
BIOS debug connector
DEBUG_SPI1
EC debug connector
DBG_PORT1
EC SMBus debug port connector
EC_UART1
EC UART debug port connector