CMOS configuration RAM allocation

   Location  Settings                                 Configured with
   -----------------------------------------------------------------------------
    0        Econet Station Number                    *SetStation nnn
    1        File server station number               *Config. FS nnn
    2        File server network number               *Config. FS nnn.sss
    3        Printer server station number            *Config. PS nnn
    4        Printer server network number            *Config. PS nnn.sss
    5 b0-b3  Default filing system ROM                *Config. File nn
      b4-b7  Default language ROM                     *Config. Lang nn
    6        ROMs 0-7 unplugged/inserted              *Insert nn/*Unplug nn
    7        ROMs 8-15 unplugged/inserted             *Insert nn/*Unplug nn
    8 b0-b2  EDIT screen mode
      b3     EDIT TAB to columns/words
      b4     EDIT overwrite/insert
      b5     EDIT display returns
      b6-b7  spare
    9        Telecoms software
   10 b0-b3  Default screen mode b0-b2,b7             *Config. Mode nn
      b4     Default TV interlace                     *Config. TV xx,n
      b5-b7  Default TV position, 0 to 3, -4 to -1    *Config. TV nn,x
   11 b0-b2  Default floppy speed                     *Config. FDrive n
      b3     Shift Caps on startup          \         *Config. ShCaps
      b4     No Lock on startup              (*fx202) *Config. NoCaps
      b5     Caps Lock on startup           /         *Config. Caps
      b6     ADFS load directory on startup           *Config. NoDir/Dir
      b7     ADFS floppy/hard drive on startup        *Config. Floppy/Hard
   12        Keyboard repeat delay           (*fx11)  *Config. Delay nnn
   13        Keyboard repeat rate            (*fx12)  *Config. Repeat nnn
   14        Printer ignore character        (*fx246) *Config. Ignore nnn
   15 b0     Ignore/enable Tube                       *Config. NoTube/Tube
      b1     Ignore printer ignore character (*fx182) *Config. Ignore/Ignore nnn
      b2-b4  Default serial speed 0-7     (*fx7/*fx8) *Config. Baud n
      b5-b7  Default printer device, 0-7     (*fx245) *Config. Print n
   16 b0     Default to shadow screen on start (MER)  *Config. Shadow
      b1     Default BEEP quite/loud                  *Config. Quiet/Loud
      b2     Internal/External Tube                   *Config. InTube/ExTube
      b3     Scrolling enabled/protected              *Config. Scroll/NoScroll
      b4     Noboot/boot on reset                     *Config. NoBoot/Boot
      b5-b7  Default serial data format      (*fx192) *Config. Data n
   17 b0     ANFS raise 2 pages of workspace          *Config. NoSpace/Space
      b1     ANFS run *FindLib on logon               *-Net-Opt 5,n
      b2-b3                                           *-Net-Opt 6,n
             b2 ANFS use &0Bxx-&0Cxx or &0Exx-&0Fxx workspace
             b3 unused
      b4-b5  unused                                   *-Net-Opt 7,n
      b6-b7                                           *-Net-Opt 8,n
             b6 ANFS protected
             b7 Display version number on startup
   18 b0-b3  Compact joystick speed         \         *Config. Stick nn
      b4     unused                          (*fx190)
      b5     Compact joystick proportional/switched   *Config. Proportional/Switched
      b6-b7  Century 19-22                  /
   19        Country code                    (*fx240) *Config. Country nnn
   20-29     Reserved for Acorn
   20 b0-b3  ARM CoPro CPU type (JGH ARM Modules)     *Config. CPU <cpuname>
      b4-b7
   30-45     Allocated to ROM 0-15
   46-49     Reserved for user applications
   
   255       EEPROM size

   VIEW B3.xx
   ----------
   30+rom b0    No formatting/Formatting
          b1    No justification/Justification
          b2    Overwrite/Insert
          b3-b7 unused

   HADFS
   -----
   30+rom b0-b3 unused
          b4-b5 5-(number of channels)                *-hadfs-Opt 5,n
          b6    Drive 1 internal/external             *-hadfs-Opt 7,n
          b7    unused

   VFS
   ---
   Very naughtily, VFS access location 20+rom instead of 30+rom, so
   trashing any ability to use locations 20-29 if VFS is present. Byte
   &907A and &9088 in VFS 1.70 needs to be patched, changed from 20 to 30
   to fix this.
   
   20+rom b0    VFS Eject/NoEject                     *Config. Eject/NoEject
          b1-b5 unused
          b6    VFSDir/VFSNoDir                       *Config. VFSDir/VFSNoDir
          b7    unused