Specifications

CP302 Functional Description and Configuration
ID 21112, Rev. 05 Page 2 - 21® PEP Modular Computers GmbH
2.6.8 Floppy Drive Interface
The onboard floppy disk controller supports either 5.25 inch or 3.5 inch (1.44 or 2.88 MB)
floppy disks. A 20-pin male connector provides the signals for an optional floppy-drive
that can be installed by means of a special adapter.
2.6.8.1 Floppy Disk Connector CON13
Table 2-10: Floppy Disk Connector CON13 Pinout
Pin Signal Function In/Out
1-4 GND Ground signal --
5 DSKCH Disk change In
6 HDSEL Head select Out
7 RDATA Read data In
8 WP Write protect In
9 TRK0 Track 0 signal In
10 WGAT Write enable Out
11 WDAT Write data Out
12 STEP Step pulse Out
13 DIR Step direction Out
14 MTR1 Motor 1 enable Out
15 DS0 Driver select 0 Out
16 DS1 Driver select 1 Out
17 MTR0 Motor 0 enable Out
18 INDEX Index pulse In
19 DRVDEN1 Drive and media select Out
20 DRVDEN0 Drive and media select Out
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Note:
The adapter must be mounted directly onto the floppy drive.
There is therefore no necessity for an intermediate cable
between the floppy drive and the adapter.
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