Bristol Digest, Vol 558, Issue 6

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Today's Topics:

1. Re: 2 TV cards - can they work together!? (Martin)
2. Re: Introducing myself (Martin)
3. Re: 2 TV cards - can they work together!? (Alex Butcher (LUG))


----------------------------------------------------------------------

Message: 1
Date: Fri, 11 Jul 2014 20:14:12 +0100
From: Martin <inkubus@interalpha.co.uk>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: Re: [bristol] 2 TV cards - can they work together!?
Message-ID: <1405106052.24123.97.camel@raphael>
Content-Type: text/plain; charset="UTF-8"

<snip>
> Already most capably explained by David, but to emphasise 'module' is not
> the same thing as 'firmware'. A kernel module is part of the OS kernel
> (i.e. Linux proper) and runs on your system's main CPU (i.e. the Intel or
> AMD x86), firmware runs on embedded processor(s) (probably an ARM core of
> some description, these days, but could be something proprietary - a la
> nVidia or ATI's GPUs - or even a Z80 on a hard drive's integrated
> electronics) on the peripheral itself.

I'm told that most modern hard drives have multi-core ARM chips
controlling them, along with their own embedded OS, scheduler, ...

I'll leave the implications for data integrity as an exercise for the
reader.

Cheers,
- Martin





------------------------------

Message: 2
Date: Fri, 11 Jul 2014 20:20:27 +0100
From: Martin <inkubus@interalpha.co.uk>
To: bristol@mailman.lug.org.uk
Subject: Re: [bristol] Introducing myself
Message-ID: <1405106427.24123.104.camel@raphael>
Content-Type: text/plain; charset="UTF-8"

On Thu, 2014-07-10 at 22:14 +0100, Cleto Mart?n Angelina wrote:
> Hi everyone!
>
> It is a pleasure for me to join your mailing list and hopefully I will
> meet you in the following group meeting.
>
> My name is Cleto Martin. I come from Spain and I'm living in Bristol
> since 1 year and a half ago. I'm software developer and I'm very
> interested on free software in technicals terms but also in the "social"
> side of the project.
If you are based in Bristol you should find Bristol Wireless who are
both free software and socially orientated.

> In fact, I'm currently involved in Debian as
> developer but not as much as I would like... :-)
At one point we had a number of Debian Developers on this list...

> Anyway, thanks for maintaining this group and see you soon.
Welcome; good to have you along!

Cheers,
- Martin





------------------------------

Message: 3
Date: Sat, 12 Jul 2014 12:17:23 +0100
From: "Alex Butcher (LUG)" <lug@assursys.co.uk>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>,
Martin <inkubus@interalpha.co.uk>
Subject: Re: [bristol] 2 TV cards - can they work together!?
Message-ID: <acef2fc1-6085-4f98-a8ac-ee527459c0e1@email.android.com>
Content-Type: text/plain; charset=UTF-8



On 11 July 2014 20:14:12 BST, Martin <inkubus@interalpha.co.uk> wrote:
><snip>
>> Already most capably explained by David, but to emphasise 'module' is
>not
>> the same thing as 'firmware'. A kernel module is part of the OS
>kernel
>> (i.e. Linux proper) and runs on your system's main CPU (i.e. the
>Intel or
>> AMD x86), firmware runs on embedded processor(s) (probably an ARM
>core of
>> some description, these days, but could be something proprietary - a
>la
>> nVidia or ATI's GPUs - or even a Z80 on a hard drive's integrated
>> electronics) on the peripheral itself.
>
>I'm told that most modern hard drives have multi-core ARM chips
>controlling them, along with their own embedded OS, scheduler, ...

Probably cheaper than Z80s these days, due to economies of scale!

I only named the Z80 as I specifically remember identifying one on a HDD years ago.

>
>I'll leave the implications for data integrity as an exercise for the
>reader.

What could possibly go wrong?!?

Also, reading a Black Hat presentation on bitsquatting, I noted that it pointed out that the "enterprise class" HDD the author examined didn't have ECC on its onboard cache.

>
>Cheers,
> - Martin
>
>
>
>_______________________________________________
>Bristol mailing list
>Bristol@mailman.lug.org.uk
>https://mailman.lug.org.uk/mailman/listinfo/bristol

--
Sent from my Android phone with K-9 Mail. Please excuse my brevity.



------------------------------

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End of Bristol Digest, Vol 558, Issue 6
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