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Subject: [TUHS] Re: Question about BSD disklabel history
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G. Branden Robinson wrote:
> OpenFirmware (OF) ran on SPARC and PowerPC hardware, at least.

OF had its origin in Sun OpenBoot PROM (OBP), which, ISTR, first
appeared in the SPARCstation 1 (sun4c kernel arch) along with SBus.
Earlier (VME) based SPARC (sun4 kernel arch) systems had only a Sun-3
like boot PROM (single letter commands, no Forth).