Speaking from experience with an old RD54, yep. Put a magnet on the
outside case towards the bottom, spin the drive up and it's gone forever.
On 3/23/2023 12:22 PM, Daniel Daigle via cctalk wrote:
Old MFM/RLL drives with stepper positioners generally have no servo. The same
can't be said of vo
Well the data are still there and could be retrieved with a sophisticated servo
on data system and/or a probe head on the data surfaces.
Simpler to hit the spindle motor top dead center with a very large hammer
ruining the bearings and crashing a few heads in the process.
Even then the data are s
On Fri, 24 Mar 2023, Tom Gardner via cctalk wrote:
Well the data are still there and could be retrieved with a sophisticated servo
on data system and/or a probe head on the data surfaces.
Simpler to hit the spindle motor top dead center with a very large hammer
ruining the bearings and crashin
I have a 620. Big.
On Tue, Mar 21, 2023, 12:58 PM devin davison via cctalk <
cctalk@classiccmp.org> wrote:
> I have a 170. Im in melbourne fl.
>
> I have been unable to move it, its in my living room, but you would need to
> load it into the car. It ipl's to a working install, but not sure what
On 3/24/23 12:17, geneb via cctalk wrote:
> On Fri, 24 Mar 2023, Tom Gardner via cctalk wrote:
>
>> Well the data are still there and could be retrieved with a
>> sophisticated servo on data system and/or a probe head on the data
>> surfaces.
>> Simpler to hit the spindle motor top dead center wit
On Fri, Mar 24, 2023 at 12:17 PM geneb via cctalk
wrote:
> On Fri, 24 Mar 2023, Tom Gardner via cctalk wrote:
>
> > Well the data are still there and could be retrieved with a
> sophisticated servo on data system and/or a probe head on the data surfaces.
> > Simpler to hit the spindle motor top d
Thank you for the suggestion http://retrocmp.com/tools/pdp11gui
My usual first stop for program sources and images is
http://www.bitsavers.org/bits/DEC/mixed_media/ and the more obvious
http://www.bitsavers.org/bits/DEC/pdp11/
Other repositories I'm acquaint with include:
http://iamvirtual.ca/P
Hey Devin,
Wish I had seen this earlier. One popped up right after I posted this and I
snagged it.
It is going to need a little work but I'm not afraid to get my hands dirty.
-Peter
On Tue, Mar 21, 2023 at 12:58 PM devin davison via cctalk <
cctalk@classiccmp.org> wrote:
> I have a 170. Im in m
G'day all,
Just followed the sale of the 11/05 on eBay (#175655196586) that ended a
short time ago.
It's a remarkably clean and complete machine and am not surprised at the hammer
price.
I was curious what the quad-height card with two ribbon cables coming out the
sides was?
It appears to hav
Hi. I came across an article about the "Sun/Tronic House" in the July/August
1981 issue of Computers and Programming magazine.
The article references the Apple 2 as the computer that controls everything in
the house that also relies on solar energy.
The house, per the article, is (or was) in Gree
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