[HECnet] No connectivity to arsgea 4

[Mark Wickens]

Has anyone tried the Pi Keyboard?
I like the idea of it, but not sure if it would be good?

Regards, Mark.

On Fri, 22 Jan 2021 at 21:44, Keith Halewood <Keith.Halewood at pitbulluk.org>
wrote:

> USB 3 and true gigabit Ethernet on the 4 makes it more like trans warp,
> compared to 2b :)
>
> On 22 Jan 2021, at 21:29, August Treubig <atreubig49 at charter.net> wrote:
>
>  Then from 2b to 4 is like warp speed.
>
> Aug.
>
> Sent from my iPad
>
> On Jan 22, 2021, at 1:47 PM, Mark Wickens <mark at wickensonline.co.uk>
> wrote:
>
> 
> Raspberry Pi is fine, it was the SD card that had failed.
> However, the difference between the original Pi and the 2B in terms of
> boot speed is quite noticeable!
>
> Regards, Mark.
>
> On Fri, 22 Jan 2021 at 18:57, Dave McGuire <mcguire at neurotica.com> wrote:
>
>> On 1/22/21 1:18 PM, Paul Koning wrote:
>> > SSDs can fail, though, especially at modern densities.  I recently saw
>> a 256 GB microSD card; that boggles the mind.  I wonder what the life
>> expectancy of one of those is.
>>
>>    Not long.  They get away with it because they're primarily intended
>> for the consumer market, and with the throwaway mentality that salesmen
>> have cultivated, combined with today's short attention spans, nobody
>> even seems to care when they fail.
>>
>> > Modern politically correct solder can be problematic too.  "Lead free"
>> processes are less reliable than real soldering.  For years, maybe still,
>> lead free solder was not acceptable for space applications.  Perhaps that
>> has been cured by now, I don't know and don't care.  (I was told quite
>> directly by a professional "if you are required to use lead free solder, do
>> so.  If you aren't required, avoid it.")
>>
>>    I myself do care, as I do commercial design and manufacturing.  Lead
>> free solder is still awful by every meaningful metric, and that
>> situation is not likely to improve.  Fortunately, "lead free", when
>> applied to an assembly, only means "contains less than some percentage
>> of lead by weight", so most PCBs can actually be manufactured with
>> lead-bearing solder.  I assemble mine using lead-bearing solder.
>>
>>    Remember the Toyota Prius accelerator failure that killed all those
>> people?  That was caused by lead-free solder.
>>
>> > I do like SSDs.  My home firewall, DECnet router, and Subversion server
>> is a fanless (heat sink cooled industrial type) SSD based PC running
>> Linux.  Unlike its plain consumer PC predecessor, it has no objections at
>> all to spending its life in a dusty basement.
>>
>>    I've found SSDs to be a lot less reliable than spinning disks.  I
>> still use them for reasons of speed and power consumption, but I do more
>> frequent backups.
>>
>>               -Dave
>>
>> --
>> Dave McGuire, AK4HZ
>> New Kensington, PA
>>
>
>
> --
> https://www.qrz.com/db/M0NOM/P
>
>

-- 
https://www.qrz.com/db/M0NOM/P
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