Re: Apple IIe + ProDOS = Headache

["Josiah" <com.yahoo@chibivash81>]

> Have you been using different disks, or just writing new disk images to
> the same disk? Just in case it's a faulty disk.

Same disk, but it's not faulty. I can write DOS 3.3 to it and have it work.

> It could also be a memory fault in the top 16KB of RAM. DOS 3.3 doesn't
> use it, but ProDOS does. Have you run the built-in diagnostics on the
> IIe? Hold down both apple keys and press control-reset. It tests the
> first 128KB of memory and the MMU and IOU chips. After running for about
> a minute it should print "System OK" on the screen.

Yes, I ran that. It displays "Kernel OK" which is normal for non-enhanced
IIe's. "System OK" is the message for enhanced systems.