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From: EUGENE.WELCOME@rook.wa.com (eugene welcome)
Newsgroups: comp.sys.apple2
Subject: disk][ to //c pinout want
Message-ID: <150B0A14@rook.wa.com>
Date: Tue, 28 Mar 1995 21:20:09 GMT
Organization: Knight-Line! (206) 565-0594
Distribution: world
Lines: 44

 PARICKJ4560@COBRA.UNI.EDU  Hollered from the hallowed halls.

> I am desperately seeking the pinout for disk 2
> controller card to //c port...any body possibly have it ?
======================================================================
                   Male DB-19. Connector

                     1           1
   1 2 3 4 5 6 7 8 9 0           0 9 8 7 6 5 4 3 2 1
  _____________________         _____________________
 ( o o o o o o o o o o )       ( O O O O O O O O O O )
  \_o_o_o_o_o_o_o_o_o_/         \_O_O_O_O_O_O_O_O_O_/

    1 1 1 1 1 1 1 1 1             1 1 1 1 1 1 1 1 1
    1 2 3 4 5 6 7 8 9             9 8 7 6 5 4 3 2 1
        Pin View                    Soldered End

======================================================================
Pin
 1  Signal Ground                   11  Phase 0
 2  Signal Ground                   12  Phase 1
 3  Signal Ground                   13  Phase 2
 4  3.5 Disk sense (if applicable)  14  Phase 3
 5  -12 volts DC                    15  Write Protect
 6  +5  volts DC                    16  Head Select (if applicable)
 7  +12 volts DC                    17  Enable Drive 2  (Low for Dr.2)
 8  -12 volts DC                    18  Read Data
 9  Enable Drive 1  (Low for Dr.1)  19  Write Data
10  Write Protect
Note: (if applicable) is if 3.5 drives can be used on your version IIc.
Note: (Low for Dr.1) or (Low for Dr.2) This is the logic signal present
at the time each drive is active.


I hope this helps. I had to modify an old ][ Drive to work on my Laser
128 in 1985. The DB19 connector was a little hard to find. I still keep
the drive for backup and I did change the ribbon cable last yr with DB19
connector with an Apple shielded cable that had the flat header
connector plus a molded DB19 on the other end. The Laser and IIc has
the same configured drive port as I have a IIc also. The old drive also
works on my IIgs at the end of the daisy chained 3.5 and 5.25 drives.
The Apple drive cable part # 590-4360-A

 Gene, K7"EEK" !! a Mouse !!! A Non-offensive Signature Line.