On Jun 9, 2016, at 8:21 PM, Mark J. Blair <nf6x at
nf6x.net> wrote:
On Jun 9, 2016, at 19:39, William Donzelli
<wdonzelli at gmail.com> wrote:
So today I picked up something I had never seen before - an IBM 3511.
This is a large tower expansion chassis for the PS/2 line. It looks
very straightforward - but can any of you PS/2 fans comment on this?
Was it an unsuccessful product? Low demand item?
I googled up a brochure, and from the front it appears to be based on the same chassis as
my PS/2 85. I guess it was meant to be an external SCSI enclosure for machines of that
era? I believe that the 85 was intended for server duty, so a matching external drive
enclosure makes sense to me.
Yes, it was an external SCSI enclosure. If I call correctly (my PS/2 memory is a bit
foggy at the moment) it was roughly the same form factor has the PS/2 95 (wider than the
PS/2 60 & PS/80). The 95 also had a pluggable processor card (with all of the memory
on it) so it would be easier to upgrade CPUs/memory technologies. The 95 also has a green
LED character array (8 characters?) that information could be written to. Had fun writing
code to write stuff to it. ;-)
TTFN - Guy