Simulated disk drive for RT-11?
kth at srv.net
Mon Jun 6 12:06:25 CDT 2005
David Betz wrote:
> Or maybe I should just run simh... I'm not really a hardware guy anyway!
You could make one like DEC used to: Take an 8-slot backplane, and
fill in four of the slots with epoxy. You now have a 4 slot backplane.
> On Jun 3, 2005, at 3:52 PM, Allison wrote:
>>> Subject: Re: Simulated disk drive for RT-11?
>>> From: David Betz <dbetz at xlisper.mv.com>
>>> Date: Fri, 03 Jun 2005 14:20:56 -0400
>>> To: "General Discussion: On-Topic and Off-Topic Posts"
>>> <cctalk at classiccmp.org>
>>> Cool. Where do I get a BA11 4 slot box? It sounds like just what I
>>> need. Anyone have one they'd like to sell (or trade for an 11/23 and
>>> RX02 drive)?
>> They are not very common, four slots were a tight fit to make a
>> useable system. I have a one with a bad PS that I'm saving for
>> repair parts for the good one.
>> The one ugly fact was with all four slots filled with RAM and DLV11j
>> plus CPU that meant every boot required entering by hand the TUboot.
>> The alternate was CPU, two MXV11 one with TUboot rom.
>> The nicest configuration is a BA23 deskside case as then you can put
>> in a RQDX2/3 and have a floppy and a small (30mb) hard disk easily.
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