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