Apple II...giving me more issues.

[Nama <forums6000@mac.com>]

Ok guys,
My apple II (not plus) is acting up again.
I was using in fine just the other day, but today when I powered it up
today, it started to load the DOS, then it jumps out of the loading
sequence and into monitor with following code:

E03E-    A=4A X=F3 Y=74 P=34 S=EB

I have two CFFA cards installed (slot 4 for ProDOS 1.4.1, and slot 7
for DOSmaster) and a single floppy drive attached (slot 6).

The weirdest thing is I can do an IN#4 and load ProDOS with no
apparent issues, but loading any any DOS from floppy fails, as does
the DOSmaster on the CFFA in slot 6.

Naturally I have moved the cards around to see what things change. The
ProDOS 1.4.1 works in all slots with no apparent issues, The floppy
fails to boot prodos or DOS 3.3 in any slot. the DOSmaster CFFA also
fails to load in any slots. Finally I have moved the CF cards around
between the CFFA cards, and that doesn't seem to effect anything, so I
can probably rule out a problem with these cards.

I have previously cleaned all the legs on the chips, so I won't need
to do that again. I have also removed all other cards to see if that
effects anything. No change.

Does anyone have any thoughts?

Thanks in advance
Phil