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From: ben via cctech
Sent: 17 December 2018 03:08
To: cctech@classiccmp.org
Subject: Re: Core memory emulator using non volatile ram.
On 12/16/2018 8:00 PM, allison via cctech wrote:
> In the end, current generation CMOS ram is the easy out, battery is
> small,
> On Dec 16, 2018, at 8:21 PM, allison via cctech wrote:
>
> On 12/15/2018 03:51 PM, Jon Elson via cctech wrote:
>> On 12/15/2018 02:45 PM, Anders Nelson via cctalk wrote:
>>> Serial flash has an endurance between 10K-100K writes per cell so I
>>> think
>>> that would break down quickly.
I put focal in it...I leave focal in it... then I turn on the power it
talks focal to a tty!
( for grains want copy of focal 11 for the 11/20 too...)
But definitely want to see focal on a little omnibus 8! Just like that
famous night in 1979..
Life is good Ed#
In
On 12/15/2018 03:51 PM, Jon Elson via cctech wrote:
> On 12/15/2018 02:45 PM, Anders Nelson via cctalk wrote:
>> Serial flash has an endurance between 10K-100K writes per cell so I
>> think
>> that would break down quickly. Wear-leveling on a serial device would be
>> very slow...
>>
>>
> If you
On 12/16/2018 10:07 PM, ben via cctech wrote:
> On 12/16/2018 8:00 PM, allison via cctech wrote:
>
>> In the end, current generation CMOS ram is the easy out, battery is
>> small, cost is small, and
>> produces much less of the heat that is killer to systems. The only
>> reason to do that is
On 12/16/2018 8:00 PM, allison via cctech wrote:
In the end, current generation CMOS ram is the easy out, battery is
small, cost is small, and
produces much less of the heat that is killer to systems. The only
reason to do that is core
cost big if you can find it for your machine. I can
On 12/15/2018 09:32 PM, Charles Anthony via cctech wrote:
> On Sat, Dec 15, 2018 at 6:15 PM Rod G8DGR via cctalk
> wrote:
>
>> All very interesting.. 1201 alarm while I deal will all of the information
>> Rod
>>
>>
> 1202 coming up...
>
> I don't know specifically about the various memory types
Sent from Mail for Windows 10
From: Jon Elson via cctech
Sent: 16 December 2018 16:43
To: Rod G8DGR; gene...@ezwind.net; discuss...@ezwind.net:On-Topic Posts
Subject: Re: Core memory emulator using non volatile ram.
On 12/15/2018 11:19 PM, Rod G8DGR via cctech wrote:
>
>
> However I began to
On 12/15/2018 11:19 PM, Rod G8DGR via cctech wrote:
However I began to think would it be possible to create a close copy of an 8/e
out of modern parts.
Finally the big one – Omnibus and the connectors its made from. A 3D printing
candidate?
I’m going to autopsy a busted connector and see
Anyone building 8 omnibus batter backed up core replacement currently
that is available off the shelf reasonably for 8 m,e and f? (( Smaller
size board than the 8a would accept for memory as I remember..))
Have a 8 m or f in my den on a shelf... as as I best
Sent from Mail for Windows 10
From: allison via cctech
Sent: 16 December 2018 03:08
To: cctech@classiccmp.org
Subject: Re: Core memory emulator using non volatile ram.
On 12/15/2018 01:01 PM, Guy Sotomayor Jr via cctech wrote:
> FRAM or MRAM. I make extensive use of them in my projects.
>
>
> On Dec 15, 2018, at 7:09 PM, allison via cctech wrote:
>
> On 12/15/2018 01:01 PM, Guy Sotomayor Jr via cctech wrote:
>> FRAM or MRAM. I make extensive use of them in my projects.
>>
>> Everspin has a few (all SMT and 3.3v). As I recall they run ~$20/ea for 4Mb
>> (512K x 8 or 256K x
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