On 03/06/2011 21:51, Philip Pemberton wrote:
Someone has just donated an old ST506 hard drive to
the DiscFerret
project... This time, it's an Amstrad drive, with part number
40095/A "DRMD20A12A".
Take a closer look--the drive should be "DRND20A"--it's an Alps 20MB
unit--615/4/17 are the nominal ratings. 60msec. average access.
10MB isn't unusual for a 3.5" MFM drive; I believe that Rodime even
offered a 5MB model (RO-351).
--Chuck