>My Lisa is a H/88 with a build in 10MB widget drive.
>Itīs no problem for me to connect the ProFile to the Lisa using an adapter.
>But do I have to change the roms, too for using a 5MB ProFile ?
No.
The various operating systems detect what kind of drive it is and use the appropriate driver.
There is one exception (that I know of), which is Xenix. It assumes that you have a 10MB drive if the ROM ID is x/88, and a 5MB drive if you have x/A8. (Where x is the CPU Board ROM version -- doesn't matter for this.) However, you cannot swap the ROMs between the two variants of the I/O Board since they are coded differently.
I suppose there is a further restriction in that early LOS versions support 5MB drives only, but IIRC, they still work with larger drives, using only 5MB of them.
HTH, James
James MacPhail "Think not of engineering as art, uo957_at_email.domain.hidden but of art as engineering" Sigma Seven Systems Ltd. james_at_email.domain.hidden <http://SigmaSevenSystems.com>
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