>
> Always happy to hear of another happy user! Even better to hear of another
working 8/E.
I've actually got a second 8/e chassis and enough boards to get a basic 12
kiloword core system up and running. I just need to replace a boxer fan
(bearings went on one of them and it grinds), and then de
Hi All,
Short introduction of myself:
37 Years old, living in Germany, since some time I collect all available
and affordable stuff related to PDP11 and try to get a running system
including some Drives.
In relation to the emergency head locking:
I have done basic overhaul on my RK07, and hav
>
> I have had no end of problems with the *many* BC11A cables that I have (ie
> they’re
bad cables). It’s the flex ribbon cable itself that’s been the issue.
>
I may have a BC11 cable as another local guy, Josh Dersch may have one. Of
course as you state, it could be bad given the flakiness of
On Fri, Jan 22, 2016 at 4:00 PM, Joshua Stetson wrote:
>
> Over the past couple of years, I've managed to work back even further,
> piecing together a PDP-8/e system from various parts collected over the
> past 4 years and now I have a fully working 8/e including 32kw of core and
> an RK05E card s
> The other thing to be aware of is the emergency head retract batteries are
> toast and should
> be replaced with a 3.6v NiCd pack, that way if the power fails you don't
> trash a pack.
I thought originally it was a 4.8V pack (4 cells). Over here a common cordless
telephone used the
same pac
>
> This one looks like it's in really good condition, but I have read about
> those issues. I'm just going to monitor it closely when initially mounting
> packs to verify the seals and integrity. As much as I hate to do so, I know
> it's common to run these without the top cover on for calibratio
> From: Guy Sotomayor
> To that end, I've made new "paddle" board that take 2 60pin ribbon
> cables.
Guy, this is fantastic news! I have previously speculated about doing this,
but it's still on the 'someday' list.
> I'll let folks know how they turn out (ie do they actually work
> From: Joshua Stetson
> Ideally I would like to find the following:
> ...
> The interface cable between the two drives: BC11A
> The terminator card M930
The former is going to be a pain. The latter are findable on eBay. If you
can't find one, drop me a line - I may have one I
On 23/01/2016 00:23, Joshua Stetson wrote:
The other thing to be aware of is the emergency head retract batteries are
toast and should be replaced with a 3.6v NiCd pack, that way if the power
fails you don't trash a pack.
This is also on my list of things to do. Is there anyway to test this
f
> On Jan 22, 2016, at 2:29 PM, tony duell wrote:
>
>>
>
> The M930 and BC11 should be easy to find, they are actually the same as the
> bits
> used on PDP11 Unibus connections.
>
I have had no end of problems with the *many* BC11A cables that I have (ie
they’re
bad cables). It’s the flex
Also be careful of the air plenum, may of them are very fragile now and if it
gets cracked you are in a hard spot. And also if the foam is compressing too
much it will not make a good deal with the bottom of the pack.
The other thing to be aware of is the emergency head retract batteries are
to
>
> Also be careful of the air plenum, may of them are very fragile now and if
> it gets cracked you are in a hard spot. And also if the foam is compressing
> too much it will not make a good deal with the bottom of the pack.
>
This one looks like it's in really good condition, but I have read abo
Thank you, I won't ask on how you found this out, but I'll make sure to
have the terminator before running even a single drive! :)
On Fri, Jan 22, 2016 at 2:29 PM, tony duell wrote:
>
> > Ideally I would like to find the following:
> > 7009026 Cable which is two ribbon cables with a M933B or C f
I think I lucked out on the foam, as that was one of the first things I
checked. I had to go through and replace all the form in my 8/e chassis and
that was a pretty disgusting process. These drives were used in a
production environment up until a recently and seem really well maintained,
and from
Be very careful of the filter assembly, make sure the foam seals are not
deteriorated to where they can add to what ends up on the platter.
On Fri, Jan 22, 2016 at 2:00 PM, Joshua Stetson wrote:
> Hi there, long time viewer, first time poster. First an introduction:
>
> My name is Joshua Stets
> Ideally I would like to find the following:
> 7009026 Cable which is two ribbon cables with a M933B or C flip chip on the
> other end
> The interface cable between the two drives: BC11A
> The terminator card M930
>
> At minimum, I'm pretty sure I'd only need the first cable to run one of the
>
Hi there, long time viewer, first time poster. First an introduction:
My name is Joshua Stetson and I'm a software engineer by trade. My earliest
memories have always involved computers starting with a DOS based Zenith
8088 where I played some of my first games.
My first foray into "classic" comp
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