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RAS96 RASCard User Guide
34-Pin Floppy Disk Drive Connector (J27)
This connector provides signal and data connection between the floppy drive and the
RASCard.
Figure A-4. Floppy disk connector.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
Drive Power Connector (J13)
This connector supplies power and ground for an optional disk drive or CD-ROM
drive.
Figure A-5. Drive power connector.
Pin
1
2
3
4
64
Description
Pin
Ground
13
RPM/RWC
14
Ground
15
Not Used
16
Ground
17
Not Used
18
Ground
19
Index
20
Ground
21
Motor Enable 1
22
Ground
23
Drive Select 2
24
Description
12 VDC
Ground
Ground
5 VDC
Description
Ground
Drive Select 1
Ground
Motor Enable 2
Ground
Direction (Stepper
Motor)
Ground
Step Pulse
Ground
Write Data
Ground
Write Enable
CommPlete Communications Server
Pin
Description
25
Ground
26
Track 0
27
Ground
28
Write Protect
29
Ground
30
Read Data
31
Ground
32
Select Head
33
Ground
34
/DCHNG
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