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4.3
Connectors
1.
Floppy disk drive connector (34-1 pin FLOPPY)
This connector is for the provided 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 floppy disk drive.
Pin 5 on the connector is removed to prevent incorrect cable connection when
using an FDD cable with a covered Pin 5.
M3A78-EM
2.
Serial port connector (10-1 pin COM1)
The connector is for a serial (COM) port. Connect the serial port module
cable to the connector, then install the module to a slot opening at the back of
the system chassis.
The serial port bracket (COM1) is purchased separately.
M3A78-EM COM Port Connector
4-4
R
M3A78-EM
Floppy Disk Drive Connector
R
M3A78-EM
FLOPPY
PIN1
NOTE: Orient the red markings on
the floppy ribbon cable to PIN 1.
COM1
Chapter 4: Motherboard info
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