[rescue] Sun 3/180 help requested

Carl R. Friend crfriend at rcn.com
Wed Oct 27 15:22:52 CDT 2004

   On Sun, 24 Oct 2004, Patrick Finnegan wrote:

> So, I've tried booting my Sun 3/180, and can't get it to work.  With the 
> switch set to "diag" on the back, I get the following output:
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> Boot PROM Selftest
> PROM Checksum Test
>  [edit]

> MMU Protected Page Test
> Parity Test
>  Err 9: Bad parity should cause nmi
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

   Hmm.  Do you know if the thing is deliberately writing *bad*
parity to make sure the logic is capable of detecting it?  That's
what it smells like to me, and if that's the case the problem
most likely lives in the memory bus controller chips.

   Does anybody have schematics and a listing of the POST code for
this beastie?

| Carl Richard Friend (UNIX Sysadmin)            | West Boylston       |
| Minicomputer Collector / Enthusiast            | Massachusetts, USA  |
| mailto:crfriend at rcn.com                        +---------------------+
| http://users.rcn.com/crfriend/museum           | ICBM: 42:22N 71:47W |

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