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S
UPERSERVER 6023P-8R/6023P-8 User's Manual
5-11 Floppy/Hard Disk 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.
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 JP7.
See the table below for
pin definitions.
The connector with twisted wires
Floppy Connector Pin Definitions (JP7)
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
5-22
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
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