Al,
Thanks for putting the pdf version of the RK11-D docs on bitsavers. I was
having trouble printing the tiff versions.
Marc Howard
On Sun, Jun 4, 2017 at 10:04 AM, Al Kossow via cctalk wrote:
> weird I would have missed that, it's the most common unibus disk interface
> there is
>
> http://
On 2 June 2017 at 17:13, Cameron Kaiser via cctalk
wrote:
> The (ridiculous) story of the Keyboard Component was legendary. The ECS
> keyboard variant can barely be considered functional even by the standards
> of the time, though I guess it at least looks decent compared to an
> Aquarius
> and t
Hello Al,
>> The surfaces of the disk packs of type 9871 or 871 that came with it where
>> corroded and are not usable anymore.
>
>Did you keep them?
>
>The platters can be replaced with ones from the single-platter IBM 2315 (ie.
>RK05) and use similar head technology which is pretty rugged.
>
> On Jun 5, 2017, at 10:33 AM, P Gebhardt via cctalk
> wrote:
>
>> ...
>> The platters can be replaced with ones from the single-platter IBM 2315 (ie.
>> RK05) and use similar head technology which is pretty rugged.
>
> Yes, I kept the disk packs. However, I guess that one need to have specia
Hi Jim,
>I moved a system with 4 300mb memorex 10 (or so) platter drives eons
>ago, which had been running for a year or more. After setup and service
>it ran 2 hours before eating one of the drives. That was and is the
>last time I'll ever run drives w/o sealed HDAs.
>
I heard from a form
Hi Rob,
>I moved a system with 4 300mb memorex 10 (or so) platter drives eons
>ago, which had been running for a year or more. After setup and service
>it ran 2 hours before eating one of the drives. That was and is the
>last time I'll ever run drives w/o sealed HDAs.
>
I heard from a former
On Sun, Jun 4, 2017 at 5:43 PM, Ray Arachelian via cctalk
wrote:
> I have a pair of 8032 Pets. One of them has a short on the motherboard
> that causes the fuse to blow whenever it's turned on - looks like its
> previous owner tried to repair it as the power connector is a bit burned
The power c
I have the three volume moto transistor catalog from 1973 coming, it should
have it in vol 3
On 6/4/17 5:44 PM, Michael Thompson via cctalk wrote:
> I am trying to LTSpice simulate a DEC H-724 power supply from a PDP-12. It
> includes a Motorola SDA7 dual transistor. I can find any information o
> On 6/4/17 5:44 PM, Michael Thompson via cctalk wrote:
>> I am trying to LTSpice simulate a DEC H-724 power supply from a PDP-12. It
>> includes a Motorola SDA7 dual transistor. I can find any information on
>> this part. Anyone have any info?
On 2017-Jun-05, at 12:38 PM, Al Kossow via cctalk wr
On 6/5/17 2:06 PM, Brent Hilpert via cctalk wrote:
> I checked several Moto databooks from 1969 into the 70s last night and didn't
> find it. (Not to suggest my checking is the last word).
> SDA7 is not a 'standard' Motorola-style number.
> Might have been a custom order.
>
>
the 1972 books
I have been looking around the Internet for a good resource on serial keyboards
and have found that I have come up against something of a brick wall, I have
found this device Look at this on eBay http://www.ebay.co.uk/itm/112428059043.
So list, which keyboards are your favourite, which feel th
Hi Henry, what's your ultimate goal? I imagine you'll have a better
selection if you perform some simply protocol translation on a
microcontroller, perhaps USB->serial.
=]
--
Anders Nelson
+1 (517) 775-6129
www.erogear.com
On Mon, Jun 5, 2017 at 2:52 PM, Henry Bond via cctalk wrote:
> I have
Hey Anders,
I have a DEC vt terminal, one of the shinier ones with PS2 port. The goal is to
be as traditional as possible without sacrificing functionality of the original
terminal.
I have looked at the original keyboards for the terminal but I don't know, I
seem to think the same price for t
On 6/5/17 3:12 PM, Henry Bond via cctalk wrote:
> the same price for the keyboard as the terminal is greedy.
Welcome to the world of the keyboard collector, who buys up keyboards
and leaves terminals and classic computers behind, rendering them useless.
On 06/05/2017 11:40 AM, Ethan Dicks wrote:
> The power connectors on many PETs are burned - the current draw is a
> bit much for the connector so oxidation happens which increases
> resistance which adds heat and the cycle repeats...
>
Gotcha, that makes sense, and I take the original connectors ar
Seems somewhat counterintuitive / or simply is it just business?
Am I just going to have to pay over the odds for a good condition one whether I
like it or not?
On 6 June 2017 00:30:17 BST, Al Kossow via cctalk wrote:
>
>
>On 6/5/17 3:12 PM, Henry Bond via cctalk wrote:
>> the same price for t
On Mon, Jun 5, 2017 at 7:35 PM, Ray Arachelian wrote:
> On 06/05/2017 11:40 AM, Ethan Dicks wrote:
>> The power connectors on many PETs are burned - the current draw is a
>> bit much for the connector so oxidation happens which increases
>> resistance which adds heat and the cycle repeats...
>>
>
On 06/05/2017 05:38 PM, Al Kossow via cctalk wrote:
>
> On 6/5/17 2:06 PM, Brent Hilpert via cctalk wrote:
>
>> I checked several Moto databooks from 1969 into the 70s last night and
>> didn't find it. (Not to suggest my checking is the last word).
>> SDA7 is not a 'standard' Motorola-style number
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