DESKTOP2.$F1

s0_loader   file  / memory
LOADER   -     $0 / $2000 MAIN
THRU     -   $57F / $257F MAIN


s1_aux1
MATCH    -   $580 / $4000 AUX
THRU     -  $857F / $BFFF AUX

 ... skips $C000 - $CFFF (I/O Space)

s2_aux2
MATCH    -  $8580 / $D000 AUX
THRU     -  $A27F / $ECFF AUX

 ... skips $ED00 - $FAFF (???)

s3_aux3
MATCH    -  $A280 / $FB00 AUX
THRU     -  $A77F / $FFFF AUX

s4_main1
MATCH    -  $A780 / $4000 MAIN
THRU     - $1267F / $BEFF MAIN

 ... skips $BF00 - $BFFF (ProDOS Buffer)
 ... skips $C000 - $CFFF (I/O Space)

 ... skips $D000 - $FFFF (ProDOS)

So rest must be loaded on demand

           $12680 / ???
... (includes strings about Selector List, Disk Copy, SOS, ...)
           $1BCDF