[raspberry-vi] Re: Samsung/Hynix/Samsung Confusion
- From: "Agent Orange" <agentorange@xxxxxxxxxxxx>
- To: <raspberry-vi@xxxxxxxxxxxxx>
- Date: Thu, 16 Jan 2014 21:01:52 -0000
Hi Mike,
This won't help you much, but perhaps it might help a sighted person
identify the difference between a Samsung and a Hynix board?
https://www.youtube.com/watch?v=Px4mKq_vxzQ
I also gather that there is now, or will soon be, a third memory
manufacturer in addition to Samsung and Hynix. Viewing the above page using
Firefox v26 I can read comments to this effect (interestingly I see fewer
comments using IE8 though).
Maybe this explains the third variation in behaviour you have just
identified.
Phil
-----Original Message-----
From: raspberry-vi-bounce@xxxxxxxxxxxxx
[mailto:raspberry-vi-bounce@xxxxxxxxxxxxx] On Behalf Of Mike Ray
Sent: 16 January 2014 18:49
To: raspberry-vi@xxxxxxxxxxxxx
Subject: [raspberry-vi] Samsung/Hynix/Samsung Confusion
Hello folks,
I'm going to make you slightly jealous now...
Today I got a prize in a Raspberry Pi competition I entered online. It was
run by wordery.com and the way to enter was to just answer three very easy
questions about the Pi, the answers to which were on Wikipaedia anyway.
The prize was a Pi and two books about Pi.
Anyway...the Pi I got refuses to boot with Arch Linux dated July last year,
with which Phil's alleged Hynix Pi I have DOES boot. However it boots OK
with the Arch image from the Foundation downloads page dated January this
year.
Furthermore, Greg from this list did tell me he thought there might be a way
to identify a Samsun Pi from a Hynix Pi by feeling the bar between the two
USB ports. He seemed to think the Hynix boards do not have two little lumps
there which are present on Samsung boards.
But...Phil's Pi has these lumps, as do my other two Pi boards, a rev 2 Model
B and a 256MB rev 1 Pi, while the new Pi does not.
Today I got somebody sighted to look at my new Pi to see if he could see
anything written on any of the chips. Nothing. Or certainly nothing as
positive as 'Samsung', 'Hynix' or even 'Broadcom'.
So total confusion now reigns.
The net result of this is that I now have three Model B Rev 2 boards which
all display different behaviours, and one 256MB Pi. So I at least have a
good stable of diverse boards on which to test my image.
I also have two books I can't see and which no doubt have lots of diagrams
in them :(
Mike
--
Michael A. Ray
Analyst/Programmer
Witley, Surrey, South-east UK
I KEEP six honest serving-men, They taught me all I know. Their names are
What and Why and When and How and Where and Who.
-- Rudyard Kipling (paraphrased)
Interested in accessibility on the Raspberry Pi?
Visit: http://www.raspberryvi.org/
From where you can join our mailing list for visually-impaired Pi hackers
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Mike Ray, list creator, January 2013
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Archives: //www.freelists.org/archives/raspberry-vi
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-----------------------------------------------------------
Raspberry Pi and the Raspberry Pi logo are trademarks of the Raspberry Pi
Foundation.
This list is not affiliated to the Raspberry Pi Foundation and the views and
attitudes expressed by the subscribers to this list do not reflect those of the
Foundation.
Mike Ray, list creator, January 2013
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