[geeks] SunFire V20z: SP doc?

[Mouse]

I've got a Sun Microsystems SunFire V20z.  (It's a 1U rackmount
machine, architecturally a relatively boring peecee.)

It has two 8P8C ports on the back labeled "MGMT".  Being curious, I
went looking.  It wasn't easy, because, of course, nothing exists
except as webpages, and most of them are hidden behind SSL.  But, with
the help of a work machine, I managed to find indications that there's
a PowerPC in there running Linux, as a management machine.

What I'm writing to ask is, is enough known about this processor and
its surrounding peripherals for me to replace the Linux install on it
with my own software?  Ideally, I'd like to still be able to use it for
managing the V20z, but I'd be interested in any doco, even if it
doesn't include the management hardware.

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