4.3Connectors

This section describes the internal connectors on the motherboard. Refer to section “1.4 Rear panel features” for information on the external (rear panel) connectors.

1.Floppy disk drive connector (34-1 pin FLOPPY1)

This connector supports the provided floppy drive ribbon cable. After connecting one end to the motherboard, connect the other end to the floppy drive. (Pin 5 is removed to prevent incorrect insertion when using ribbon cables with pin 5 plug).

FLOPPY

PIN 1

NOTE: Orient the red markings on the floppy ribbon cable to PIN 1.

PR-DLS533

PR-DLS533 Floppy Disk Drive Connector

2.Serial port 2 connector (10-1 pin COM2)

This connector accommodates a second serial port using an optional serial port bracket. Connect the bracket cable to this connector then install the bracket into a slot opening at the back of the system chassis.

PIN 1

PR-DLS533

PR-DLS533 Serial COM2 Connector

4-8

Chapter 4: Motherboard information