9 Oct
2003
9 Oct
'03
9:19 p.m.
On Wednesday 08 Oct 2003 8:43 pm, emanuel stiebler wrote:
Steven M Jones wrote:
I've been planning a monster like this, 4 small backplanes mounted in a
hacked-around wide cabinet, 4 processors running as a VAXcluster over
Ethernet...
Been done before?
alex/melt
On a related note, I there's a MicroNote
about running multiple
MicroVAX II CPUs (KA630, M7606) in a single backplane. Up to 4
in fact (MicroNote #26, on www.ibiblio.org). Has anyone on the
list ever worked with, built, or seen such a beast? Did any
interesting OS research projects of the time use this feature
(I'm thinking V or Mach)?
Check the note again. AFAIRC, this (ka630, ka650, ...) had just a
"mailbox" register to communicate, and only one cpu had access to the
qbus. The other ones had the qbus interface shut down. So, if you didn't
have you special backplane with 4 qbuses, it was pretty limited ...