Open Firmware, 2.0f1
To continue booting the MacOS type:
BYE<return>
To continue booting from the default boot device type:
BOOT<return>
For Open Firmware serial I/O type:
 TTYA IO<return>
 ok
0 > printenv boot-device 

 VARIABLE            CURRENT             DEFAULT
boot-device         ide1/disk@0:0       /AAPL,ROM
 ok
0 > printenv boot-file 

 VARIABLE            CURRENT             DEFAULT
boot-file                               
 ok
0 > boot DEFAULT CATCH!, code=FFF00600 at   %SRR0: 00004004   %SRR1: 00003070 
 ok
0 >