On Jan 15, 2005, at 07:16 pm, Lyndon Tiu wrote:
Yes. PDS is a standard for Apple but not for the whole industry.
At that time there were no industry-wide standards in interfaces.
Back then in the early 90s, Apple had something like 7-9% market share of PCs
at it's peak so PDS (and SCSI in Apple computers) were only present in 7-9%
of computers vs. USB and Firewire which is present in most new computer sold
today for an effective 100% market share. Hopefully, that will mean more
peripherals and more expandability and longer life for the MiniMac than the
original LC.
Without doubt it will do. Unfortunately, however, not all USB peripheral manufacturers are wise enough to make Mac compatible peripherals, although the situation has improved a lot since I first got a Mac in 2000.
SCSI standards also changed over time with not so much backwards compatibility.
SCSI is still backwards compatible. You just have to talk to it right. I run a pair of 68-pin U160 drives off an LC 475 board in a custom case. I also use an 80-pin U160 drive in my Quadra 840av (via an adapter and a NuBus SCSI card). It's not as hard as it looks. Basically if you can get an upper-byte terminated wide-to-narrow SCSI adapter then you are most of the way there. I have however found that in some machines the 68-pin drive won't work without you put a terminator on the end of the 50-pin ribbon. Other than that it's pretty straight-forward.
If anything new comes in the USB/Firewire standards, hopefully, backward
compatibility remains. Unlike the SCSI we have in old LCs which are not
compatible with modern day SCSI. if backward compatibility remain, then the
MiniMac will have a longer happier life than the original LC.
The LC series machines are far from dead, trust me :o)
-- Mark Benson
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