19 Sep
2001
19 Sep
'01
9:56 a.m.
On 19 Sep, Dave McGuire wrote:
The 8700 and the 8600 are very different machines.
The 8700 uses
VAXBI, and is mounted in a chasiss similar in size to that of the
8600. I don't think there's any XMI in there.
Incidentally, the 8700 can be turned into an 8800 by plugging a
second CPU card set into the machine.
Hmmm. I got confused by:
http://www.de.netbsd.org/Documentation/Hardware/Machines/DEC/vax/sections.h…
There is the 8600 (aka 11/790) listed as a SBI machine.
There is no reference to the 8700.
The 8800 is listed as:
Basically an 8550 processor in a bigger box with space for additional
processors to make it into an 8820 or 8840
The 8550 is listed:
XMI processor/memory backplane with VAXBI I/O
According to http://anacin.nsc.vcu.edu/~jim/mvax/vax-perf.html the 8k
VAXen, except the 8600, are pure VAXBI, no XMI. XMI came with the 6k
VAXen.
So I assume the "base" machine is the 8550. In a biger chasiss it is
named 8700 and with a second CPU the 8700 is called 8800?
--
tsch??,
Jochen
Homepage: http://www.unixag-kl.fh-kl.de/~jkunz/