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20 pin Apple HDI-20 схематический вид разъема
20 pin Apple HDI-20 разъем
at the Apple computer, looking into cable-side connector
This connector is present on the Macintosh Duo MiniDock and PowerBook Duo Floppy adapter. An HDI-20 1.4 MB drive can be connected to this port.
Pin Name Description
1GNDSignal Ground
2GNDSignal Ground
3GNDSignal Ground
4GNDSignal Ground
5NCNo connection
6+5V+5 volts DC
7+5V+5 volts DC
8+5V+5 volts DC
9+5V+5 volts DC
10NCNo connection
11PH0Phase 0: state control line
12PH1Phase 1: state control line
13PH2Phase 2: state control line
14PH3Phase 3: register write strobe
15WREQWrite request
16HDSELHead select
17ENBL2External drive select
18RDRead data
19WRWrite data
20NCNo connection
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Pinouts.ru > Распиновки различных коннекторов для дисководов > Распиновка Apple Macintosh External Floppy disk drive использующего разъем 20 pin Apple HDI-20
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