[rescue] howto make multiple main boards work on a Sun Sparc 670/MP

Martin Wedel rescue at sunhelp.org
Thu Jun 14 19:11:55 CDT 2001

>On Thu, 14 Jun 2001, Dave McGuire wrote:
>   You need to be running relatively new boot ROMs, though I don't
> recall which version in particular...if you do a "printenv" at the
> "ok" prompt and you see an option called "vme-loopback?" then you ROMs
> are new enough.  Set that option to "yes"...multiple boards can now
> coexist in the same backplane.  I've seen this done with up to four or
> five 4/600 boards in a 690 chassis.

Speaking of which, does anyone with a 6X0 and proms later then 2.14 here
have the ability to make copies of the PROMS? Is this even feasible?
What would it involve?

I'd *love* to be able to get some hypersparcs running in my system, but
without the proms...  :(

/Martin Wedel
sun at minor-element.net

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