6
Jumpers Setting and Connectors
LABEL
FUNCTION
J_ATX_AT1
AT/ATX power mode setting
J_CMOS1
Clear CMOS jumper
ME_FLASH1
Flash descriptor security override jumper
IAUDIO
Audio connector for
IEI AC-KIT-888S kit
ATX1
ATX power connector
CPU12V1
ATX CPU 12V power connector
BAT2
RTC battery connector
CHASSIS1
Chassis intrusion connector
CHA_DIMM1, CHB_DIMM1
DDR4 DIMM slots
DIO1
Digital I/O connector
DEBUG_1
EC debug connector
CPU_FAN1, SYS_FAN1,
SYS_FAN2
Fan connectors
F_PANEL1
Front panel connector
J_I2C1
I
2
C connector
JLAN_LED1
LAN1 link LED connector
JLAN_LED2
LAN2 link LED connector
COM3, COM4,
COM5, COM6
RS-232 serial port connectors
J1
RAA229134 FW flash connector
J2
LT86101X FW flash connector
SATA1, SATA2,
SATA3, SATA4
SATA 6Gb/s connectors
J_SMB1
SMBus connector
JSPI1
Flash SPI ROM connector
JEC1
Flash EC ROM connector
USB2_CN1
Internal USB 2.0 connector
IDPM
IEI iDPM slot
PCI1, PCI2
PCI slots
PCIE2, PCIE4
PCIe x1 slots
PCIE3
PCIe x4 slot
PCIE1
PCIe x16 slot
PWR_BTN1
Onboard power button
