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
DIMM1, DIMM2,
DIMM3, DIMM4
DDR5 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
SATA1, SATA2,
SATA3, SATA4
SATA 6Gb/s connectors
J_SMB1
SMBus connector
JSPI1
Flash SPI ROM connector
JEC1
Flash EC ROM connector
USB2_CN1, USB2_CN2
Internal USB 2.0 connectors
USB3_2
Internal USB 3.2 Gen 1 connector
M2_M1, M2_M2
M.2 M key slots
IDPM
IEI iDPM slot
PCIE3, PCIE7
PCIe x1 slots
PCIE1, PCIE5, PCIE6
PCIe x4 slots
PCIE2, PCIE4
PCIe x16 slots
PWR_BTN1
Onboard power button
