5 Nov
2011
5 Nov
'11
9:31 p.m.
On 11/5/2011 8:45 PM, Dave McGuire wrote:
On 11/05/2011 11:18 PM, Toby Thain wrote:
It's actually a 2/120 missing the front and one
side panel. Also the
diags stop at what I take to mean the segment map test. Does it mean
they passed or the next one failed ? Who knows anymore.
None of the docs online are exactly my 100 cpu. Check out
http://www.bitsavers.org/pdf/sun/sun2/800-1185-01_2-120_CPU_Engr_Sep84.pdf
and look at A-04. On mine all these page map ram chips are soldered.
Later ones they seem to all be socketed. A common point of failure
perhaps ?
I have actually worked on old Sun multibus boards before and the traces
will burn up in a second and everything is tightly packed. I really am
nervous about removing every one of them and putting in sockets. I think
I ma after u303 and u304 but, who knows. If stupid multibus extender
cards didn't sell for way too much money on ebay I might.
> OK
point me to a 5 box that is accessible to the net. Are there
> even any
> 7 ones ? I have a Sun 2/210 here. I'm not going to put it outside my
Wait wait wait a Sun 2?