7. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are
available for connecting USB 2.0 devices.
8. USB 2.0 ports 3 and 4.
These two 4-pin Universal Serial Bus (USB) ports are
available for connecting USB 2.0 devices.
9. COM port.
This 9-pin COM1 port is for pointing devices or other serial devices.
10. PS/2 keyboard port. This port is for a PS/2 keyboard.
1.10.2 Internal connectors
1. Floppy disk drive connector (34-1 pin FLOPPY)
This connector is for a Floppy Disk Drive (FDD) signal cable. Insert one end of the
cable to this connector, then connect the other end to the signal connector at the back
of the oppy disk drive.
• Pin 5 on the connector is removed to prevent incorrect cable connection when using an
FDD cable with a covered Pin 5.
• The Floppy Disk Drive singal cable is purchased separately.
M2N68 SE
M2N68 SE Floppy disk drive connector
FLOPPY
NOTE:Orient the red markings
on the floppy ribbon cable to PIN 1.
PIN1
2. Speaker connector (4- pin SPEAKER)
This 4-pin connector is for the chassis-mounted system warning speaker. The speaker
allows you to hear system beeps and warnings.
M2N68 SE
+5V
GND
GND
Speaker Out
SPEAKER
PIN 1
M2N68 SE Speaker Out Connector
Chapter 1: Product introduction 1-19
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