How to Swap CMD and Option in Classic Mac OS so you can use Windows
keyboards.
First make a duplicate of the original System Suitcase in the
System folder.
Open a copy of the System Suitcase with ResEdit, and find the KMAP
resources. Open it with a double-click.
Find ID of 2 and double-click...
I found this guide when needing to remap a key on my AEKII that uses a DIY usb-adb adapter. The method should work for any keyboard:
https://web.archive.org/web/20000621042449/http://207.208.148.74/12-27-99.shtml