On Tue, 31 Jul 2007 10:17:23 -0700, sunshine put
finger to keyboard and composed:

Hi,

we are still using the obsolete HP4145B Parameter Analyzer. It's a
wonderful piece of equipment and it does the job.
Although it is hooked up to GPIB, it still needs the floppy drive with
a bootdisk. Unfortunately the floppy drive broke and Agilent does not
have any spare parts. Even though it is 3.5" it is not compatible with
the common PC floppy drives. Any idea to work around this (except
buying new equipment)?

Any comments are welcome.

Thanks,
David

I once modified the floppy drive interface in a Commodore Amiga to
accommodate a PC FDD. The differences in that particular case were the
Ready and Diskchange pins (2 & 34).

Maybe yours has a Shugart interface (2nd table):
http://pinouts.ru/Storage/InternalDisk_pinout.shtml

The first table is for a standard IBM FDD.

If you are lucky, and the differences are in the Ready and Diskchange
pins, then you *may* be able to find a FDD that can be jumpered for
either interface.

Otherwise this simple circuit worked for me:
http://groups.google.com/group/comp....986e1ff?hl=en&

- Franc Zabkar
--
Please remove one 'i' from my address when replying by email.