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18
MB991AF
User’s Manual
2.5
Connectors Quick Reference
Function
Connector Name
Page
COM1 & COM2 RS-232/422/485 Ports CN3
COM3 & COM4 RS-232 Ports
CN2
Digital I/O Connector
J3
COM7 ~ COM10 Ports
J7 (COM7 & COM8),
J8 (COM9 & COM10)
LVDS Connector
J9 (2
nd
channel),
J15 (1
st
channel)
USB 2.0 Ports
J14, J16
LVDS Backlight Connector
J17
Front Panel Setting Connector
J21
ATX Power Connector
J24
AT 12V Power Connector
ATX_12V_2X1
CPU Fan Power Connector
CPU_FAN1
System Fan Power Connector
SYS_FAN1,
SYS_FAN2
HDMI Port
CN1
- -
HD Audio Jacks
CN4
- -
USB 3.0 Ports
CN5
- -
HDMI Port
CN6
- -
LAN & USB 3.0 Stacked Ports
CN7, CN8
- -
SATA III Ports
CN9, CN10, CN11,
CN12, CN13
- -
S3 Status Connector (reserved)
J6
- -
DDR4 UDIMM Slot
J10, J11, J12, J13
- -
M.2 (M-key) Slot (PCIe only)
J20
- -
mPCIe / mSATA Slot
J22
- -
Factory Use Only
J5, J18, J19, J23
- -