At 9:25 AM +0900 5/18/02, you wrote:

:)MacOS CDROM will boot from OF with
:)   boot cd:,\\:tbxi
:)Does anyone know if \:tbxi is just a name of file or some
:)special device ?

It looks for a CHRP-BOOT file with type "tbxi".  Something such as ya-boot
should work.  For MacOS 9, this is the Mac OS ROM file in the System
Folder.  For MacOS X and Darwin, it's /System/Library/CoreServices/BootX

  -- MW