SUPERSERVER 6015B-3/6015B-T User's Manual

5-11 Floppy, IDE, SATA and SAS Drive Connections

Note the following when connecting the floppy and hard disk drive cables:

The floppy disk drive cable has seven twisted wires.

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

A single floppy disk drive ribbon cable has 34 wires and two connectors to provide for two floppy 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

The floppy connector is designated J22. See the table below for pin definitions.

Floppy Drive Connector

Pin Definitions (J22)

Pin#

Definition

1

Ground

3

Ground

5

Key

7

Ground

9

Ground

11

Ground

13Ground

15Ground

17Ground

19Ground

21Ground

23Ground

25Ground

27Ground

29Ground

31 Ground

33 Ground

Pin # Definition

2

FDHDIN

4

Reserved

6

FDEDIN

8

Index

10

Motor Enable

12

Drive Select B

14Drive Select B

16Motor Enable

18DIR

20 STEP

22Write Data

24Write Gate

26 Track 00

28Write Protect

30Read Data

32 Side 1 Select

34 Diskette

5-22

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SUPER MICRO Computer 6015B-3, 6015B-T user manual Floppy, IDE, Sata and SAS Drive Connections, Floppy Connector