http://mcosre.sourceforge.net/docs/sys_file_rsrc.html
11/26/2004
|  | D o c u m e n t a t i o nSystem file resources |  | 
|  | ||
'boot' 1 Boot Blocks Copy [1024 bytes] 'boot' 2...32767 Boot Code Note: contents of 'boot' 1 resource will be written to disk's boot blocks as part of blessing process.
'DRVR' Desk Accessory / Driver
'INIT' System Startup Code; ID = 0...31
'MACS' Macintosh System Autograph
'ndrv' PCI driver (PowerPC native)
'PAT#' Pattern List
'PTCH' ROM-Specific Patches; ID = Version of ROM
_InitResources (trap $A995)
'ROvr' Override ROM Code
'ROv#' Override ROM Code List; ID = Version of ROM
_InitResources (called on startup) creates a list of ROM resources 
that should not be referenced. This list is based on information 
stored in the System file's resource fork in an 'ROv#' resource 
whose version word matches the version word of the ROM. You can 
modify the 'ROv#' resource so that it includes the ROM resources 
that you want to override.
HWRD    Version of ROM
ZCNT    Resources
LSTC    еееее
    TNAM    Type
    RSID    Resource ID
LSTE    еееее