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HP35665A Firware update
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geovar:
Hi all from hot Athens

I have the possibility to update the Firmware of my HP35665A with the 2 floppy discs (HP NOS)   from the existing A.01.00 FW to the last one A.01.08. A friend tells me not to attempt the update because if in the floppy(produced 1993) there is some mistake, after so many years, I will have a big problem. Another friend says that when the existing inside drive of the analyzer encounters a file with problem it stops before installing an incorrect FW file Practically, he says, that somewhere in the analyzer there is a check sum file that checks the integrity and avoids errors during the update and stops the procedure. I cant decide what to do any help is well come
Any experience about all this?? Some one did the update?
Thanks
George
PS.Attached files of one of the two floppy's
bson:
Maybe the thing to do is buy yourself a USB floppy drive and clone the original.  This will also let you know if any sectors are unreadable.  Maybe save an image of it for posterity.

geovar:
Thank you bson
I already have a USB floppy drive but cant read those files (.Lif). But even if it could do it would also clone a "wrong" file if there were. I'm not much expert in computers, but I think I should, somehow, do the "check sum" all the files in the 2 floppy discs . But how can I do it????
KE5FX:
Hmm, I have A.01.00 as well.  Is there a list of changes and/or fixes in the newer versions?
TheSteve:
There are a few utilities out there to read lif floppies from a PC. Not all work and they can be picky on OS/floppy type etc. "lif2dos" is one of them. I have backed up the files on a lif floppy before using a PC - it would be good to ensure you can read all files on both floppies. The last lif floppies I backed up were from 91 and I was able to read all of the files successfully.
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