On Sun, 27 Sep 2015, Noel Chiappa wrote:
> From: drlegendre
> I'm not sure what you're describing. Can you link to a pic of one of
> these caps?
http://www.electrical4u.com/images/glass-capacitor.jpg
These are hermetically sealed ceramic and are non-polarized. The glass
encapsulation made
The H89 emulator is pretty fun :)
Thanks for the link!
J
a PDP11 implemented in javascript running UNIX Sixth Edition, really nice.
and the PC running IBM DOS 2.0
Thanks for the link
On 09/28/2015 03:59 PM, wulfman wrote:
http://hackaday.com/2015/09/28/roundup-retro-computers-in-your-browser/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3
The 11/780 used a normal RX11 interface to a single-drive RX01 in
nonstandard packaging.
I don't know any reason to think that an 11/23 CPU wouldn't work, but I'm
not aware of anyone having done it.
Here's a picture that I found online:
http://s7.photobucket.com/user/earthman606/media/glasscapacitor.jpg.html
--
Mark J. Blair, NF6X
http://www.nf6x.net/
I've seen these caps. They look like a typical surface mount ceramic cap,
installed inside a glass housing with wire leads. They almost look like
glass-cased small signal diodes at first glance, until you look more closely
and see the small multilayer capacitor inside the glass housing.
--
Mar
On 09/28/2015 10:36 AM, Shoppa, Tim wrote:
These are the small 0.01uF or smaller capacitors with transparent
edges and you can see foil in the innards? If so, I think you are
talking about "polystyrene capacitors". Yes, they were extremely
popular in UK/EU for at-chip decoupling capacitors in the
> On Sep 28, 2015, at 1:36 PM, Shoppa, Tim wrote:
> ...
> There are real glass capacitors used where zero leakage and zero soakage are
> uber-concerns.
There's no such thing as zero leakage, since all insulators have finite
resistance. Glass is a pretty good insulator, but in fact not the bes
These are the small 0.01uF or smaller capacitors with transparent edges and you
can see foil in the innards? If so, I think you are talking about "polystyrene
capacitors". Yes, they were extremely popular in UK/EU for at-chip decoupling
capacitors in the 1970's and 80's. They are not polarized.
On Sep 28, 2015, at 8:41 AM, John Ball wrote:
> The IR grid for simulating a touchscreen wasn't really HP exclusive.
It’s not just the IR grid that makes it look like an HP 150. The green screen
is the same size and the way that it draws the screen looks exactly like what I
would expect from
> On Sep 28, 2015, at 11:41 AM, John Ball wrote:
>
>>> I wanted to share this because it's pretty neat:
>>>
>>> https://www.youtube.com/watch?v=0BHIknNa6Eg
>>>
>>> It's a ~6 minute tour of a home automation system from the 1980s that
>>> features graphical floor layouts and touch screen progra
>> I wanted to share this because it's pretty neat:
>>
>> https://www.youtube.com/watch?v=0BHIknNa6Eg
>>
>> It's a ~6 minute tour of a home automation system from the 1980s that
>> features graphical floor layouts and touch screen programming. The
system
>> is built into the house.
>
>That screen
http://hackaday.com/2015/09/28/roundup-retro-computers-in-your-browser/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+hackaday%2FLgoM+%28Hack+a+Day%29&utm_content=FeedBurner+user+view
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On 2015-09-28 14:15, Johnny Billquist wrote:
On 2015-09-28 05:39, Josh Dersch wrote:
Anyone recall what the procedure is for resetting or bypassing the
password on P/OS?
I *know* I was able to find this out before (in 2008 or so) because I
did it on another Pro 350 I have, but I cannot for the
On 2015-09-28 05:39, Josh Dersch wrote:
Anyone recall what the procedure is for resetting or bypassing the
password on P/OS?
I *know* I was able to find this out before (in 2008 or so) because I
did it on another Pro 350 I have, but I cannot for the life of me find
anyplace that documents the pr
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