No time to look for the SM, but I glanced at Guide To The Macintosh Family Hardware and if I take a look for that 34 pin header, I'll bet I find the pinouts for it in that tome! [] ]'>

NoPro making an adapter for something that simple and I've got just the Luggable to test it on, PM me!

Wood pulp based storage media ROCK! [] ]'>

To double down the bets though, see if the pinouts on that drive's connector are available online.