Tony Duell wrote:
I don't know the Alto at all, but this sounds a
bit like a Diablo model
30 drive. In it?
Most Altos have the Diablo 31 (a variant of the 30 family). Some have
the Diablo 44.
FWIW, I have the DIablo Model 30 service mnaual, but
it woudl take a
little time to find it.
Bitsavers has some 30-series and 40-series maintenance documentation online:
http://bitsavers.org/pdf/diablo/