Industry sources suggest that Amdahl Corp’s reply to IBM’s 3390 disk drive will be unveiled within the next 10 days, although a press announcement planned for Friday 18 has been cancelled. Amdahl is not prepared to comment on a launch date, but other sources say that Amdahl will make several corporate announcements over the next few weeks, almost certainly before IBM announces its so-called 3390 Model 3. Lack of an Amdahl answer to the 3390 and an unanticipated backlog for Hitachi Ltd’s 7390 built up in Japan is giving IBM a clear run in the 3390 market.