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pinout (распиновка)

Apple Macintosh External Drive connector

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19 pin D-SUB connector  at the computer
Pin Name Description
1 Ground  
2 Ground  
3 Ground  
4 Ground  
5 -12V -12 VDC
6 +5V +5 VDC
7 +12V +12 VDC
8 +12V +12 VDC
9 ? ?
10 PWM Regulates speed of the drive
11 PH0 Control line to send commands to the drive
12 PH1 Control line to send commands to the drive
13 PH2 Control line to send commands to the drive
14 PH3 Control line to send commands to the drive
15 WrReq- Turns on the ability to write data to the drive
16 HdSel Control line to send commands to the drive
17 Enbl2- Enables the Rd line (else Rd is tri-stated)
18 Rd Data actually read from the drive
19 Wr Data actually written to the drive

Источник: Technote HW19: Pinouts at Apple Technical Notes

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