The diffrence between S1000 and S1000hd is only the SCSI card and internal HD.
As far ad i can remember the s1000hd i had only had two roms...
I suspect that the 4 ROM's listed in the service manual are a red herring. Maybe early models had the is split over 4 ROMs, instead of two. Or maybe early board versions had sockets to install two Rom versions at the same time.
I always thought that the OS for the pb was the same, but detected which unit you have at startup. If you load the latest OS from floppy, what happens?
It would probably take a pretty competent hacker to patch the Rom to enable editing on the S1000pb
Unfortunately we don't have the full schematics for both the s1000 and S1000pb, otherwise it wouldn't be hard to see if there was some simple way of fooling the OS. Of course even if this is possible ,its likely to make the OS crash every time it tries to use hardware functions that are not present.
What you want to do, whilst not impossible, is probably going to be much more hassle that just buying an S1000. If you happened to find schematics for the pb and the S1000, it might be doable though.
Ewan.
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On Apr 25, 2017 02:28, "
mechanicalmatch@... [akaiS1000S1100Samplers]" <
akaiS1000S1100Samplers@yahoogroups.com> wrote:
Hi guys. I am a long time follower of the group, decided to join a while back and start posting. Does anyone have a dump from the eprom ic11 and 12? I know ic9 and ic10 are the O.S. and I have the file for those. Reason I am asking is because I believe these eproms are what makes a s1000 or pb or hd. I have a pb model I would like to try to get it to behave like a s1000 as far as sample editing, just without the inputs.