2017-04-17 23:29 UTC+03.00, Linux User #330250 <[email protected]>: > > CPU Bus ROM Software ROM World > -------+-------+-----------------------+---------------+-------- > 68k NuBus Mac OS ROM (68k) -- -- > > PowerPC PCI System ROM (PPC) -- -- > Mac OS ROM (68k)* > > PowerPC PCI Open Firmware 1.x -- Old > Mac OS ROM > > PowerPC PCI Open Firmware 2.x -- Old > Mac OS ROM > > PowerPC PCI Open Firmware 3.x Mac OS ROM New > > PowerPC PCI Open Firmware 4.x BootX (Mac OS X)New > Correction to the second line. The first PowerPC Macs had no PCI bus, but NuBus (and PDS). I believe OF was introduced in Macs simultaneously with the PCI bus, in 1995.
And I think that the PCI bus is the requirement for running Linux natively on PowerPC Macs. Risto
