OpenFirmware I/O access

Raymond samalo.r at
Tue May 18 14:15:36 EST 1999

 I am an intern in Apple.

 Does anybody knows how to access devices in Open Firmware ?

 I mean how to use,play,open, read,write,close or access the buffer of these
devices :

 Harddisk/cdrom, audio, ethernet, and  display

 do help


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