Re: Control Data 9766 drive on epay

2019-08-12 Thread Chuck Guzis via cctalk
On 8/12/19 12:31 PM, William Donzelli via cctalk wrote:
> It was an uncommon option for lower end Cyber 180s.
> 

Don't know the date of the unit shown, but in the early-mid 1970s, we
used acres of 844-21(IIRC ~100MB)  and 844-41 drives (IIRC ~200MB).
Don't know what the OEM model would have been.  And Cyber 180 is outside
of my timeframe.

..and they were damned twitchy if you were unfortunate enough to mount a
damaged pack.

--Chuck



Re: Control Data 9766 drive on epay

2019-08-12 Thread systems_glitch via cctalk
Being SMD, they could be connected to a number of things. PDP-11s, as
mentioned, as well as basically anything that talked SMD. Mine were hooked
up to Data General and Computer Automation gear.

Thanks,
Jonathan

On Mon, Aug 12, 2019 at 4:55 PM Dave Wade via cctalk 
wrote:

> Pierre,
> I would suggest that as you haven't seen one in ages, the price reflects
> the rarity and the vendor is hoping for a rich collector to buy it.
>
> I don't know off hand of anyone who uses one. I know that the 4341 at LCM
> uses emulated DASD as does the ICL 2900 at TNMOC in the UK which I think
> has some EDS300 drives
>
> https://farm9.static.flickr.com/8314/7939054098_08c37818fe_b.jpg
>
> which look almost identical to the CDC drive on E-Bay, there are a few
> more pics here
>
> https://hiveminer.com/Tags/bletchleypark%2Cicl
>
> There are people using smaller exchangeable drives such as DEC RL01 and
> RL02 drives, and the similar drives on the IBM1130 and IBM1800 but those
> are a totally different ball game...
>
> Dave
>
> > -Original Message-
> > From: cctalk  On Behalf Of P Gebhardt via
> > cctalk
> > Sent: 12 August 2019 18:42
> > To: General Discussion: On-Topic and Off-Topic Posts <
> cctalk@classiccmp.org>
> > Subject: Control Data 9766 drive on epay
> >
> > Hi list,
> >
> > Just came across this:
> >
> > https://www.ebay.com/itm/Vintage-Computing-CDC-Magnetic-Peripherals-
> > Control-Data-9766-Storage-
> > Module/143351908424?hash=item2160708848:g:3yEAAOSw1oJdTo9u
> >
> > Haven't seen one listed in years. The price lets me assume that this
> offer
> > addresses customers that may use these drives in a production
> environment or
> > so...
> > I am not aware of museums or hobbyists who have such drives currently in
> a
> > functional state to read and write from and to 80MB (CDC 9762) or 300MB
> > (CDC 9766) disk packs. Maybe the CHM? ... not taking into consideration
> the
> > CHM activities related to the Xerox disk cartidge  (2315-equivalent)
> software
> > archive project.
> > Anybody out there? Would be interesting to know.
> >
> > Best regards,
> > Pierre
> >
> >
> -
> > http://www.digitalheritage.de
>
>


RE: Control Data 9766 drive on epay

2019-08-12 Thread Dave Wade via cctalk
Pierre,
I would suggest that as you haven't seen one in ages, the price reflects the 
rarity and the vendor is hoping for a rich collector to buy it.

I don't know off hand of anyone who uses one. I know that the 4341 at LCM uses 
emulated DASD as does the ICL 2900 at TNMOC in the UK which I think has some 
EDS300 drives 

https://farm9.static.flickr.com/8314/7939054098_08c37818fe_b.jpg

which look almost identical to the CDC drive on E-Bay, there are a few more 
pics here

https://hiveminer.com/Tags/bletchleypark%2Cicl

There are people using smaller exchangeable drives such as DEC RL01 and RL02 
drives, and the similar drives on the IBM1130 and IBM1800 but those are a 
totally different ball game...

Dave   

> -Original Message-
> From: cctalk  On Behalf Of P Gebhardt via
> cctalk
> Sent: 12 August 2019 18:42
> To: General Discussion: On-Topic and Off-Topic Posts 
> Subject: Control Data 9766 drive on epay
> 
> Hi list,
> 
> Just came across this:
> 
> https://www.ebay.com/itm/Vintage-Computing-CDC-Magnetic-Peripherals-
> Control-Data-9766-Storage-
> Module/143351908424?hash=item2160708848:g:3yEAAOSw1oJdTo9u
> 
> Haven't seen one listed in years. The price lets me assume that this offer
> addresses customers that may use these drives in a production environment or
> so...
> I am not aware of museums or hobbyists who have such drives currently in a
> functional state to read and write from and to 80MB (CDC 9762) or 300MB
> (CDC 9766) disk packs. Maybe the CHM? ... not taking into consideration the
> CHM activities related to the Xerox disk cartidge  (2315-equivalent) software
> archive project.
> Anybody out there? Would be interesting to know.
> 
> Best regards,
> Pierre
> 
> -
> http://www.digitalheritage.de



Re: Control Data 9766 drive on epay

2019-08-12 Thread William Donzelli via cctalk
It was an uncommon option for lower end Cyber 180s.

--
Will

On Mon, Aug 12, 2019 at 2:40 PM Alan Perry via cctalk
 wrote:
>
> Would this have been connected to a CDC Cyber back in the day? I noticed
> that this is in Athens, GA, home of University of Georgia. The first
> programs that I ever wrote were on a CDC Cyber there (via a 300-baud
> acoustic coupler modem at Valdosta State College).
>
> alan
>
> On 8/12/19 11:09 AM, William Donzelli via cctalk wrote:
> > There is a Make Offer option, and it does look like the seller does
> > take offers fairly regularly. I will not be buying it.
> >
> > If someone does, I have a huge amount of spares for 976x drives,
> > including refurbished heads. It might take a while to find them in my
> > mess, however.
> >
> > --
> > Will
> >
> > On Mon, Aug 12, 2019 at 1:43 PM P Gebhardt via cctalk
> >  wrote:
> >>
> >> Hi list,
> >>
> >> Just came across this:
> >>
> >> https://www.ebay.com/itm/Vintage-Computing-CDC-Magnetic-Peripherals-Control-Data-9766-Storage-Module/143351908424?hash=item2160708848:g:3yEAAOSw1oJdTo9u
> >>
> >> Haven't seen one listed in years. The price lets me assume that this offer 
> >> addresses customers that may use these drives in a production environment 
> >> or so...
> >> I am not aware of museums or hobbyists who have such drives currently in a 
> >> functional state to read and write from and to 80MB (CDC 9762) or 300MB 
> >> (CDC 9766) disk packs. Maybe the CHM? ... not taking into consideration 
> >> the CHM activities related to the Xerox disk cartidge  (2315-equivalent) 
> >> software archive project.
> >> Anybody out there? Would be interesting to know.
> >>
> >> Best regards,
> >> Pierre
> >>
> >> -
> >> http://www.digitalheritage.de


Re: Control Data 9766 drive on epay

2019-08-12 Thread Ethan Dicks via cctalk
On Mon, Aug 12, 2019 at 2:40 PM Alan Perry via cctalk
 wrote:
> Would this have been connected to a CDC Cyber back in the day? I noticed
> that this is in Athens, GA, home of University of Georgia. The first
> programs that I ever wrote were on a CDC Cyber there (via a 300-baud
> acoustic coupler modem at Valdosta State College).

I am not a CDC CPU expert but I know that various CDC SMD drives,
especially the 9762 and 9766 were found on PDP-11s and VAXen owing to
inexpensive (compared to DEC) 3rd Party disk controllers (and drivers
for various operating systems).  The drive mechs were also repackaged
and put behind modified SMD-Massbus interfaces and were available from
DEC as the RM02/RM03 (9762) and RM05 (9766) but they were DEC badged
not CDC badged (colors, labels, etc) so you wouldn't mistake one from
the other externally.

I happen to have a 9766 (and at least one SMD interface for either
Unibus or Qbus) but no pack.

-ethan


Re: Control Data 9766 drive on epay

2019-08-12 Thread geneb via cctalk

On Mon, 12 Aug 2019, Al Kossow via cctalk wrote:

LCM was working on an alternative approach to multi-platter media 
recovery but I've not heard anything more about that in a while


When I was there for VCFPNW, I saw the rig they'd built for that.  At the 
time they were perfecting getting photos of the surface taken and were 
looking into writing software that would convert the images to a data 
stream.


g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!


Re: Control Data 9766 drive on epay

2019-08-12 Thread Alan Perry via cctalk
Would this have been connected to a CDC Cyber back in the day? I noticed 
that this is in Athens, GA, home of University of Georgia. The first 
programs that I ever wrote were on a CDC Cyber there (via a 300-baud 
acoustic coupler modem at Valdosta State College).


alan

On 8/12/19 11:09 AM, William Donzelli via cctalk wrote:

There is a Make Offer option, and it does look like the seller does
take offers fairly regularly. I will not be buying it.

If someone does, I have a huge amount of spares for 976x drives,
including refurbished heads. It might take a while to find them in my
mess, however.

--
Will

On Mon, Aug 12, 2019 at 1:43 PM P Gebhardt via cctalk
 wrote:


Hi list,

Just came across this:

https://www.ebay.com/itm/Vintage-Computing-CDC-Magnetic-Peripherals-Control-Data-9766-Storage-Module/143351908424?hash=item2160708848:g:3yEAAOSw1oJdTo9u

Haven't seen one listed in years. The price lets me assume that this offer 
addresses customers that may use these drives in a production environment or 
so...
I am not aware of museums or hobbyists who have such drives currently in a 
functional state to read and write from and to 80MB (CDC 9762) or 300MB (CDC 
9766) disk packs. Maybe the CHM? ... not taking into consideration the CHM 
activities related to the Xerox disk cartidge  (2315-equivalent) software 
archive project.
Anybody out there? Would be interesting to know.

Best regards,
Pierre

-
http://www.digitalheritage.de


Re: Control Data 9766 drive on epay

2019-08-12 Thread Guy Sotomayor Jr via cctalk
Well, crap.

I got rid of my 2 9766’s and all the packs that I had for them a couple of 
years ago for nothing what this guy is asking for his.  ;-)
I probably still have a pile of heads for them (but they’d probably go to the 
guy who purchased the drives/packs from me).

What are folks using these types of drivers for?  Media content recovery or 
just using them as intended?

TTFN - Guy

> On Aug 12, 2019, at 11:09 AM, William Donzelli via cctalk 
>  wrote:
> 
> There is a Make Offer option, and it does look like the seller does
> take offers fairly regularly. I will not be buying it.
> 
> If someone does, I have a huge amount of spares for 976x drives,
> including refurbished heads. It might take a while to find them in my
> mess, however.
> 
> --
> Will
> 
> On Mon, Aug 12, 2019 at 1:43 PM P Gebhardt via cctalk
>  wrote:
>> 
>> Hi list,
>> 
>> Just came across this:
>> 
>> https://www.ebay.com/itm/Vintage-Computing-CDC-Magnetic-Peripherals-Control-Data-9766-Storage-Module/143351908424?hash=item2160708848:g:3yEAAOSw1oJdTo9u
>> 
>> Haven't seen one listed in years. The price lets me assume that this offer 
>> addresses customers that may use these drives in a production environment or 
>> so...
>> I am not aware of museums or hobbyists who have such drives currently in a 
>> functional state to read and write from and to 80MB (CDC 9762) or 300MB (CDC 
>> 9766) disk packs. Maybe the CHM? ... not taking into consideration the CHM 
>> activities related to the Xerox disk cartidge  (2315-equivalent) software 
>> archive project.
>> Anybody out there? Would be interesting to know.
>> 
>> Best regards,
>> Pierre
>> 
>> -
>> http://www.digitalheritage.de



Re: Control Data 9766 drive on epay

2019-08-12 Thread systems_glitch via cctalk
Interesting, I've just picked up two 9766s and two OEMed CDC pack drives
(unsure of model # yet). I might be bugging you about spares :P

Thanks,
Jonathan

On Mon, Aug 12, 2019 at 2:09 PM William Donzelli via cctalk <
cctalk@classiccmp.org> wrote:

> There is a Make Offer option, and it does look like the seller does
> take offers fairly regularly. I will not be buying it.
>
> If someone does, I have a huge amount of spares for 976x drives,
> including refurbished heads. It might take a while to find them in my
> mess, however.
>
> --
> Will
>
> On Mon, Aug 12, 2019 at 1:43 PM P Gebhardt via cctalk
>  wrote:
> >
> > Hi list,
> >
> > Just came across this:
> >
> >
> https://www.ebay.com/itm/Vintage-Computing-CDC-Magnetic-Peripherals-Control-Data-9766-Storage-Module/143351908424?hash=item2160708848:g:3yEAAOSw1oJdTo9u
> >
> > Haven't seen one listed in years. The price lets me assume that this
> offer addresses customers that may use these drives in a production
> environment or so...
> > I am not aware of museums or hobbyists who have such drives currently in
> a functional state to read and write from and to 80MB (CDC 9762) or 300MB
> (CDC 9766) disk packs. Maybe the CHM? ... not taking into consideration the
> CHM activities related to the Xerox disk cartidge  (2315-equivalent)
> software archive project.
> > Anybody out there? Would be interesting to know.
> >
> > Best regards,
> > Pierre
> >
> >
> -
> > http://www.digitalheritage.de
>


Re: Control Data 9766 drive on epay

2019-08-12 Thread William Donzelli via cctalk
There is a Make Offer option, and it does look like the seller does
take offers fairly regularly. I will not be buying it.

If someone does, I have a huge amount of spares for 976x drives,
including refurbished heads. It might take a while to find them in my
mess, however.

--
Will

On Mon, Aug 12, 2019 at 1:43 PM P Gebhardt via cctalk
 wrote:
>
> Hi list,
>
> Just came across this:
>
> https://www.ebay.com/itm/Vintage-Computing-CDC-Magnetic-Peripherals-Control-Data-9766-Storage-Module/143351908424?hash=item2160708848:g:3yEAAOSw1oJdTo9u
>
> Haven't seen one listed in years. The price lets me assume that this offer 
> addresses customers that may use these drives in a production environment or 
> so...
> I am not aware of museums or hobbyists who have such drives currently in a 
> functional state to read and write from and to 80MB (CDC 9762) or 300MB (CDC 
> 9766) disk packs. Maybe the CHM? ... not taking into consideration the CHM 
> activities related to the Xerox disk cartidge  (2315-equivalent) software 
> archive project.
> Anybody out there? Would be interesting to know.
>
> Best regards,
> Pierre
>
> -
> http://www.digitalheritage.de


Re: Control Data 9766 drive on epay

2019-08-12 Thread Al Kossow via cctalk



On 8/12/19 10:41 AM, P Gebhardt via cctalk wrote:

> I am not aware of museums or hobbyists who have such drives currently in a 
> functional state to read and write from and to 80MB (CDC 9762) or 300MB (CDC 
> 9766) disk packs. Maybe the CHM?


We don't have one in working condition, and we're unlikely to attempt any work 
on multi-platter media
recovery any time soon.

I have three Pertec top-loading drives and several Diablo 30s, but haven't had 
time to try flux-level
recovery on several dozen high archival value targets, including what may be 
the only surviving Burroughs
B1700 packs.

LCM was working on an alternative approach to multi-platter media recovery but 
I've not heard anything
more about that in a while





Control Data 9766 drive on epay

2019-08-12 Thread P Gebhardt via cctalk
Hi list,

Just came across this:

https://www.ebay.com/itm/Vintage-Computing-CDC-Magnetic-Peripherals-Control-Data-9766-Storage-Module/143351908424?hash=item2160708848:g:3yEAAOSw1oJdTo9u

Haven't seen one listed in years. The price lets me assume that this offer 
addresses customers that may use these drives in a production environment or 
so...
I am not aware of museums or hobbyists who have such drives currently in a 
functional state to read and write from and to 80MB (CDC 9762) or 300MB (CDC 
9766) disk packs. Maybe the CHM? ... not taking into consideration the CHM 
activities related to the Xerox disk cartidge  (2315-equivalent) software 
archive project. 
Anybody out there? Would be interesting to know.

Best regards,
Pierre

-
http://www.digitalheritage.de