Considering the Apple lisa's list price was $10,000.00  it is a miracle
as many Lisas were sold that there were. Apple had a software serial
number prom preventing other copies of software installed on other Lisas
from working. So each Lisa owner had to purchase a legal copy of the
software they wanted to use. I remember replacing logic boards and
having to swap that prom chip so their software would continue to
operate. The 5 meg Profile HD was also a treat. Apple decided to reverse
their software writing to hard disk to make the profile HD the only HD
to work inside the profile. I tried other Seagate st-506 5 meg HD's in
the profile case but was never sucessful in getting them to write the
boot track. One company devised a way to write the boot track but they
charged too much from what I remember. The Mac plus also had an external
HD20 meg drive that used the serial port on the MacPlus. The Mac
portable used a special controller board to operate their internal HD's
which failed regularly. I have swapped that controller board and used
other HD's in the Mac portable  but that's another story. Apple sure was
innovative in their HD selections and often were the only ones
available. But since the first Apple //e floppy drives sold for $500.00
with out the controller when they were introduced. Most of the other
computers were still using the cassette drive to load and run programs
like the TI-99 and the Comodore 64.

-----Original Message-----
From: LisaList [mailto:[EMAIL PROTECTED] On Behalf Of Ray
Arachelian
Sent: Friday, July 29, 2005 8:18 AM
To: LisaList
Subject: Birth of the Lisa

Found this during this morning's surfing on osnews.com...

http://braeburn.ath.cx/modules.php?op=modload&name=News&file=article&sid
=9&mode=thread&order=0&thold=0

"The Lisa project was initiated in 1978 to provide Apple's next
generation business computer.  According to the original marketing
specifications, created in 1979, the computer bore little resemblance to
the computer that was actually released several years later.  It's major
claim to fame was its inclusion of a bit sliced processor, but it became
clear that such a processor would price Lisa well above the $2,000 goal
that the marketers had set."

<SNIP>


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