19 PIN D-SUB CONNECTOR
|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|
|Source:||Technote HW19: Pinouts at Apple Technical Notes|
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Document last modified: 2002-01-10