Big IBM vacuum-column tapes drives on Ebay

From: Paul Koning <pkoning_at_equallogic.com>
Date: Wed Sep 22 08:25:40 2004

>>>>> "Tony" == Tony Duell <ard_at_p850ug1.demon.co.uk> writes:

>>
>>
>> Paul Koning wrote:
>> >
>> >With the controller included, it would presumably hook up to
>> anything >that knows an IBM channel interface. So if you have a
>> DX11 you could >hook it up to your Unibus PDP11;
>>
>> wow - bus & tag? I've never seen a dx11. I assume VMS had
>> support for that
 Tony> Yes, bus and tag. Be warnded that the DX11 is 8 rows of
 Tony> flip-chip cards in a 12U high backplane + a PSU + a power
 Tony> interlock panel + a lights panel + a connecotr panel. In other
 Tony> words it takes up half a 6' rack at least (I have 2 of them,
 Tony> and the prints).

 Tony> I also believe it's a 'slave' device only. It'll sit on the IBM
 Tony> channel from your system/360 (or with a few mods a system/370),
 Tony> but I don't think you can use it to link up IBM peripherals to
 Tony> a PDP11.

 Tony> No idea what OSes supported it, but I've never heard of one on
 Tony> a VAX.

Then again, strange things sometimes happened... consider the DECtape
(real DECtape, not TU58) support that magically appeared in VMS at
some point. It even supported overlapped seek, just like TOPS-10.

     paul
Received on Wed Sep 22 2004 - 08:25:40 BST