AXIOMTEK IMB541 User Manual page 14

IMB541 User's manual
Signals go to other parts of the system through connectors. Loose or improper connection might
cause problems. Make sure all connectors are properly and firmly connected. Here is a
summary table showing the connectors on the motherboard.
Connector
CPU_FAN1
SYS_FAN1
SYS_FAN2
J_GPIO1
F_USB2_2
JP19
F_USB2_1
F_PANEL1
JP6
JP5
JP15
JP7
JP18
JP17
COM2-6
J_ESPI1
JP16
J_AT/ATX1
F_USB3_1
CLR_CMOS1
JP4
ATX1
ATX2
ATX3
F_AUDIO1
JP14
SMBUS1
M.2_PCIESSD_M1
M.2_KEYE_WLAN1
SATA3-4
SATA1-2
USB2_1
DIMM4
8
Description
CPU FAN Wafer
System FAN Wafer1
System FAN Wafer2
GPIO Header
Front USB2.0 Header2
Watch Dog Reset Enable/Disable Select Jumper
Front USB2.0 Header1
Front Panel Header
COM3 RS232/RS422 Select Jumper2
COM3 RS232/RS422 Select Jumper1
COM3 RS422 RX Signal 120Ω Resistive
termination Select Jumper
COM4 RS232/RS485 Select Jumper1
COM4 RS232/RS485 Select Jumper2
COM4 RS485 Signal 120Ω Resistive termination
Select Jumper
COM2/3/4/5/6 Box Header
ESPI Header (Debug Only)
COM3 RS422 TX/RS485 Signal 120Ω Resistive
termination Select Jumper
AT or ATX Select Jumper
Front USB3.0 Box Header
CMOS Clear Select Jumper
COM3 RS232/422/485 Select Jumper3
ATX 24P CPU Power Input Connector
ATX 8P CPU Power Input Connector
ATX 4P CPU Power Input Connector
Front Audio Header (Line-Out + MIC)
PCI CLK 66MHz Enable/Disable Select Jumper
SMBUS Wafer
M.2 Key-M Slot (PCIe x4 GEN4 NVMe/SATA SSD
Auto Detect, 2280)
M.2 Key-E Slot (PCIE+USB2.0+ CNVi, support
WIFI+BT/ CNVi Module, 2230)
SATA3.0 7P Upright Connector3-4
SATA3.0 7P Upright Connector1-2
USB2.0 Internal Vertical TYPE-A Connector
DDR4 CHB DIMM Slot4
Board and Pin Assignments