22 Dec
2004
22 Dec
'04
10:19 a.m.
It was possible to arrange for SCSI to be in the box
using a
KZQSA, but that was only used to drive CDROM and tape - disks
were not oficially supported.
Indeed.
The small high density connector is sometimes mistaken
for
SCSI. Having what looks like a pair of SCSI connectors on the
far left hand side does not mean you actually have SCSI
(unless there is a KZQSA inside).
The small connector is DSSI and should have a terminator installed, were
those 50-way connectors ever used for a KZQSA? I thought the board itself
had the sockets on, though thinking about it I can't remember which socket I
used to connect up an RRD42 or TLZ04/6. Should check my own machines more
often :)
The VAX 4000-300 CPU is indeed a KA670. If you have
the later
backplane (I forget the right serial number sequence) then
you can upgrade to any of the later models (-400, -500, -600,
Easiest way to check is to pop the CPU/memory module cover and pull the
boards - earlier models had the usual quad height finger/socket connection
with a ribbon cable doing the cpu/memory interconnect while the later ones
used the zero-force type white socket blocks found on the likes of the
HSD/HSZ RAID controllers and Alpha 1200 CPU modules.
In other news, all the best for a quality collecting 2005!
cheers! I'm one step closer to owning an Apple Lisa 1 but unfortunately it
was upgraded to a MacXL, which I think I mentioned on here at the time.....
--
Adrian/Witchy
Creator/Curator of Binary Dinosaurs, quite probably the UK's biggest private
home computer collection.
www.binarydinosaurs.co.uk - the online museum
www.aaghverts.co.uk - *the* site for letting you moan about adverts!
www.snakebiteandblack.co.uk - former gothic shenanigans :(