[rescue] IO board+ on e5000

Francois Dion francois.dion at gmail.com
Thu Dec 15 16:21:12 CST 2005

On 12/15/05, Patrick Finnegan <pat at computer-refuge.org> wrote:
> On Thursday 15 December 2005 09:26, Francois Dion wrote:
> > If I put a 501-4883 io board with soc+ in my e5000, does that require
> > that I have a specific clock board, or cpu/mem version (does it have
> > to be the 4882)?
> Shouldn't matter.
> > So on and so forth for all my cpu/mem boards. These CPU/MEM boards
> > are of the 83mhz variety, altough I have some on their way that I
> > will swap (to get to 100mhz).
> You can't do 100MHz system bus speed in an E4000/E5000 - only the E3x00
> and E4500/5500.  They'll just run at 83MHz.

I also have a centerplane on its way.

> > Or do I have a dead IO+ board?
> Probably.  I've got a few extras (and some SBUS soc+ cards).

I tried 2 with the same result. Both are warranted, but from ebay.

> Have you tried reflashing the system first?  It's possible that the
> problem has a too-old OBP/POST version or something.  One of the notes
> in the Sun system handbook says this:
> "OBP >=3.2v14 is required when 83MHz and 100MHz boards are mixed."

# prtconf -V
OBP 3.2.28 2000/12/20 12:24

also 'POST  3.9.28 2000/12/20 12:29'

I dont know if all the boards are all compliant or what. Using both
boards at the same time is possible?

> So, I'd recommend flashing the system with the old I/O boar in the
> machine, and then try the soc+ board again.


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