As i know OpenSolaris has sparc drivers and Solaris 10/05 has them too -
here's a link:
http://blogs.sun.com/roller/page/dp?...w_in_solaris10

"Thomas Maier-Komor" <maierkom@lpr.e-technik.tu-muenchen.de> wrote in
message news:dtac41$ibl$1@wsc10.lrz-muenchen.de...
> CJT wrote:
>> Thomas Maier-Komor wrote:
>>
>>> Hi,
>>>
>>> has anybody run this configuration (i.e. an intel gigabit adapter in a
>>> sparc machine with Solaris 9)? I think there is no e1000g kernel module
>>> included in Solaris 9. But would it possible to use the one from Solaris
>>> 10 or is it impossible because of the new FireEngine or GLD or something
>>> else?
>>>
>>> Does anybody know a not-so-expensive alternative for an Enterprise 250
>>> running under Solaris 9?
>>>
>>> TIA,
>>> Tom
>>
>> Used E250's are going for a couple of hundred bucks. How cheap do you
>> need?
>>
>
> yeah, that the reason why it shouldn't be too expensive. Reasonable PC
> gigabit adapters are at <50EUR, so I guees <100 would be OK. OTOH a new
> server with gigabit is much more expensive and another E250 won't give
> me gigabit...