5-11 Floppy/Hard Drive And Scsi Connections; Floppy Connector - Supermicro SUPERSERVER 6011H User Manual

5-11 Floppy/Hard Drive and SCSI 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 located
on J15. See the table below for
pin definitions.
Floppy Connector Pin Definitions (JP15)
Pin Number Function Pin Number
1 GND
3 GND
5 Key
7 GND
9 GND
11 GND
13 GND
15 GND
17 GND
19 GND
21 GND
23 GND
25 GND
27 GND
29 GND
31 GND
33 GND
5-23
Chapter 5: Installation
Function
2 FDHDIN
4 Reserved
6 FDEDIN
8 Index-
10 M otor Enable
12 D rive Select B-
14 D rive Select A-
16 M otor Enable
18 DIR-
20 STEP-
22 W rite Data-
24 W rite Gate-
26 Track 00-
28 W rite Protect-
30 Read Data-
32 Side 1 Select-
34 Diskette