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The connectors on mother board allows you to connect external devices such as keyboard, floppy disk
drives, hard disk drives, printers, etc. The following table lists the connectors on mother board and their
respective functions.
Connector Locations on Mother Board
Connectors on Mother Board
CN1, CN2: COM4 and COM3 Connectors
CN3: +5V Connector
CN4: +5V AND +12V Connector
CN6, CN9: USB Pin Header
CN10: Panel Inverter Power Connector
CN11: OSD Panel Board Connector
CN13, CN147: COM1 and COM2 Serial Ports
FDD1: Floppy Drive Connector
USB1, USB2: USB Connectors
J4: IrDA Connector
J6: Reset Button and IDE LED
J7: Primary IDE Connectors
J9: System Fan Power Connector
J11: 24-bit LVDS Connector (DF13-20)
J13: VGA CRT Connector
J14: System Fan Power Connector
J16: PS/2 Keyboard Connector
J17: PS/2 Mouse Connector
4-17
Connectors on Mother Board