Re: Pinout for DuoDisk cable needed

[mnementh@netcom.com (David R. Villegas)]

kburtch@xvnews.unconfigured.domain wrote:
>I recently got a DuoDisk drive, and I have the adaptor, but I have no cable.
>The cable coming off the back of the card ends with a DB19, and the drive
>has a DB25 on it. (?) I thought someone was being strange, and trying to 
>adapt a //c external drive to it, untill I got another DuoDisk controller
>with the same cable. (odd)
>
>Does anyone have any idea what the pin connections are? I would like to be
>able to use my drives.

You can still buy DuoDisk cables but the cheapest ones I've seen are $17
each.  If you don't have trouble finding a DB19 connector, you can just
modify a cheap DB25 cable:

DB-25 male    DB-19 male
----------    ----------
         1  (no pin)
         2  - 1
         3  - 18
         4  - 2
         5  - 15
         6  - 19
         7  - 6
         8  - 9
         9  - 3
         10 - 4
         11 - 17
         12 - 10
         13 (no pin)
         14 - 4
         15 - 11
         16 - 12
         17 - 13
         18 - 14
         19 - 7
         20 - 8
         21 - 3
         22 (no pin)
         23 - 5
         24 - 16
         25 (no pin)

-- 
David Villegas  (ENTP)                                     mnementh@netcom.com
San Francisco, CA                                   villegas@csli.stanford.edu