SUPERSERVER 6014P-T/6014P-TR User's Manual

5-11 Floppy and Hard Disk Drive Connections

Note the following when connecting the fl oppy and hard disk drive cables:

The fl oppy disk drive cable has seven twisted wires.

A red mark on a wire typically designates the location of pin 1.

A single fl oppy disk drive ribbon cable has 34 wires and two connectors to provide for two fl oppy disk drives. The connector with twisted wires always connects to drive A, and the connector that does not have twisted wires always connects to drive B.

Floppy Connector

Floppy Drive Connector

Pin Definitions (JFFD1)

The fl oppy connector is lo- cated on JFDD1. See the table to the right for pin defi nitions.

Pin# Defi nition

1Ground

3Ground

5Key

7Ground

9Ground

11 Ground

13 Ground

15 Ground

17 Ground

19 Ground

21Ground

23Ground

25Ground

27Ground

29Ground

31Ground

33Ground

Pin # Defi nition

2FDHDIN

4Reserved

6FDEDIN

8Index

10Motor Enable

12Drive Select B

14 Drive Select B

16 Motor Enable

18 DIR

20 STEP

22Write Data

24Write Gate

26 Track 00

28Write Protect

30Read Data

32Side 1 Select

34Diskette

5-22

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SUPER MICRO Computer 6014P-TR user manual Floppy and Hard Disk Drive Connections, Floppy Connector