Control+o


 Command        | Function
 ---------------+---------------------------------
 DR=D or D1=0   | load disk into RAM (can be done by a switch)
 DD=R or D0=1   | write RAM to disk

  The : for the D: command has been dropped as of version 3.0.

 T+             | activate RAM
 T-             | deactivate RAM
 SW             | swap RAM banks (can be done by a switch)
 SW1            | select RAM bank #1 (version 3.0 only)
 SW2            | select RAM bank #2 (version 3.0 only)
 ST             | get status (can be read with Ctrl-/)
 N1:name,id     | format ramdisk #1
 N2:name,id     | format ramdisk #2
 N:name,id,xx   | format disk with xx tracks (xx = 35-41)
                | 41 tracks is only possible with version 3.0 (?)
 E:name         | change disk name
 E:name,id      | change disk name and disk ID
 L:name         | write protect file(s)
 F:name         | unprotect file(s)
 B:name         | fill filename(s) with blanks
 K:name         | remove blanks from filename(s)
 UX:BUMP        | adjust r/w head to track 1
 A+ / A-        | motor spin on disk insertion [on] / off
 G+ / G-        | [fast] / slow head movement
 V+ / V-        | write verify [on] / off
 L+ / L-        | 20-fold fast load [on] / off
 UX:TA          | switch to TurboAccess mode (can't switch back)
 UX:RDD1        | BAM oriented reading routine (slow)
 UX:RDD2        | backup reading routine (fast) [default]
 UX:WRD1        | BAM oriented writing routine (slow)
 UX:WRD2        | backup writing routine (fast) [default]
 UX:NMI1        | normal 1541 NMI routine
 UX:NMI2        | copies the 1541 zeropage into RAM (bank 300-307) on NMI
 UX:NMI3        | TT NMI routine (points to 'copy disk into RAM') [default]
 X:             | jump $a000