[SunHELP] difference between 2.25 and 2.25R boot proms?

[Sandwich Maker]

" From: awouk at nilenet.com (Arthur Wouk)
" 
" i know that in a sparc10/20, a hypersparc 150 mhz cpu is supported by
" both the 2.25 and the 2.25R. in fact, the hypersparc is supported by
" the 2.22 boot prom.
" 
" so where can i find out what exactly is the difference between the two
" versions of the 2.25? what isn't supported by the 2.25?

i'd guess 2.25r originated with ross, a ver supporting their modules
that works in both 10s and 20s.  ordinarily 10s and 20s require
different boot roms, even at the same ver iirc.
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