Re: Stripping an RA80

2017-01-11 Thread Tony Duell
On Sat, Jan 7, 2017 at 8:22 PM, Tony Duell wrote: > I've just re-read the printsets... > > The microprocesor boards in the R80 and RA80 printsets are different. They > have different layouts. But the circuitry looks at first glance to be much the > same. Whether this is

Re: Stripping an RA80

2017-01-09 Thread Tony Duell
On Sun, Jan 8, 2017 at 8:57 PM, allison wrote: > Depending on vintage of those HDAs they may have been in the large pool > of SNs that had bad (incorrect) adhesive > used to assemble the platters and would after about 1.5-2.2 years of > spinning would have the glue migrate

Re: Stripping an RA80

2017-01-08 Thread allison
On 01/08/2017 01:46 PM, Robert Armstrong wrote: >> Tony Duell wrote: >> R80 the lines are outputs from the drive giving the coding of the ready lamp >> cap > I was always thought that the R80 had to be unit #0 to function, but I > admit that I've never tried anything

RE: Stripping an RA80

2017-01-08 Thread Robert Armstrong
>Tony Duell wrote: >Well, actually I think you own an R80 but don't know it :-) >As I understand it, the R80 had the sort-of SMD interface. 2 cables >(60 and 26 wires). It's not SMD, there are significant differences, but anyway. Can't speak for it being an SMD

RE: Stripping an RA80

2017-01-08 Thread Robert Armstrong
>Tony Duell wrote: >R80 the lines are outputs from the drive giving the coding of the ready lamp >cap I was always thought that the R80 had to be unit #0 to function, but I admit that I've never tried anything else. I wonder if that's not true?? The RL02 drive(s) on

Re: Stripping an RA80

2017-01-08 Thread Tony Duell
On Sun, Jan 8, 2017 at 6:46 PM, Robert Armstrong wrote: >>Tony Duell wrote: >>R80 the lines are outputs from the drive giving the coding of the ready lamp >>cap > > I was always thought that the R80 had to be unit #0 to function, but I admit > that I've

Re: Stripping an RA80

2017-01-08 Thread Tony Duell
On Sun, Jan 8, 2017 at 6:20 PM, Robert Armstrong wrote: >>Tony Duell wrote: >>Well, actually I think you own an R80 but don't know it :-) >>As I understand it, the R80 had the sort-of SMD interface. 2 cables >>(60 and 26 wires). It's not SMD, there are

Re: Stripping an RA80

2017-01-07 Thread Al Kossow
On 1/7/17 12:22 PM, Tony Duell wrote: > Interestingly the personallity board in the R80 printset is called the RM80 > personality board. Suggesting that as I thought the RM80 is the R80 with > a Massbus interface box. > RM == "Minnow" The R80 started out life as the disk for the ill-fated

Re: Stripping an RA80

2017-01-07 Thread Tony Duell
On Sat, Jan 7, 2017 at 8:08 PM, Pontus Pihlgren wrote: > On Sat, Jan 07, 2017 at 08:00:43PM +, Tony Duell wrote: >> >> The RM80 is an R80 with a Massbus interface box in the stand. Or at >> least I think it is. I've not got any technical documentation on that unit. > > I

Re: Stripping an RA80

2017-01-07 Thread Pontus Pihlgren
On Sat, Jan 07, 2017 at 08:00:43PM +, Tony Duell wrote: > > The RM80 is an R80 with a Massbus interface box in the stand. Or at > least I think it is. I've not got any technical documentation on that unit. I sounds like what I've got.. > If you have one, can you tell me what the cabling

Re: Stripping an RA80

2017-01-07 Thread Tony Duell
On Sat, Jan 7, 2017 at 6:48 PM, Pontus Pihlgren wrote: > Hi > > I think you should sacrifice the RA80 for a working R80. I know there > are several RA80 in the wild but I've never heard of a R80. Well, actually I think you own an R80 but don't know it :-) As I understand

Re: Stripping an RA80

2017-01-07 Thread Paul Koning
> On Jan 7, 2017, at 1:48 PM, Pontus Pihlgren wrote: > > ...I'm curious. I have an RM80 (which I intend to use as is). But would the > RA80 personality board be possible to transplant into an RM80 to read or > write its content? I doubt it. The RM80 uses a track format

Re: Stripping an RA80

2017-01-07 Thread Pontus Pihlgren
Hi I think you should sacrifice the RA80 for a working R80. I know there are several RA80 in the wild but I've never heard of a R80. On Sat, Dec 31, 2016 at 05:26:50PM +, Tony Duell wrote: > > 3) Those that are of no use in the R80, but are not too hard to store > Personality board >

Re: Stripping an RA80

2016-12-31 Thread Tony Duell
On Sat, Dec 31, 2016 at 10:28 PM, Noel Chiappa wrote: > > From: Tony Duell > > > My first thought is to strip this RA80 (that's why I got it!). This > > will provide me with most of the missing parts > > ... > > Is there any reason to keep the bare,

Re: Stripping an RA80

2016-12-31 Thread Noel Chiappa
> From: Tony Duell > My first thought is to strip this RA80 (that's why I got it!). This > will provide me with most of the missing parts > ... > Is there any reason to keep the bare, stripped, chassis, or should I > let it go as scrap metal? > ... > Or should I

Re: Stripping an RA80

2016-12-31 Thread j...@cimmeri.com
On 12/31/2016 1:52 PM, Tony Duell wrote: On Sat, Dec 31, 2016 at 6:45 PM, Ian Finder wrote: You're invariably gonna take up more space with all the removed parts after you strip it than just keeping the whole unit around to cannibalize as needed. So I have to ask... WHY?!

Re: Stripping an RA80

2016-12-31 Thread Tony Duell
On Sat, Dec 31, 2016 at 6:45 PM, Ian Finder wrote: > You're invariably gonna take up more space with all the removed parts after > you strip it than just keeping the whole unit around to cannibalize as > needed. > So I have to ask... WHY?! > Well, considering the main bits

Re: Stripping an RA80

2016-12-31 Thread Ian Finder
You're invariably gonna take up more space with all the removed parts after you strip it than just keeping the whole unit around to cannibalize as needed. So I have to ask... WHY?! On Sat, Dec 31, 2016 at 9:26 AM, Tony Duell wrote: > I am probably going to be flamed for

Re: Stripping an RA80

2016-12-31 Thread Jarratt RMA
> > On 31 December 2016 at 17:26 Tony Duell wrote: > > > I am probably going to be flamed for this > > My VAX11/730 has an R80 disk drive as you might expect. I dismantled this > many > years ago to move it and never reassembled it. Over the years

Stripping an RA80

2016-12-31 Thread Tony Duell
I am probably going to be flamed for this My VAX11/730 has an R80 disk drive as you might expect. I dismantled this many years ago to move it and never reassembled it. Over the years (in particular during a house move), the smaller parts (screws, the brackets and clevis pins for the gas