[Elphel-support] linescan mode

[Sebastian Pichelhofer]

No, I did not try to take the camera apart to disconnect the HDD.

The external SATA HDD I tried is a Seagate Momentus 5400.6 160GB in case
that helps.


Regards Sebastian


On Tue, Jan 12, 2010 at 4:24 PM, Andrey Filippov <andrey at elphel.com> wrote:

> Sebastian,
>
> there seems to be a problem (at least with some HDDs) - they "do not know
> how to share" and drive INTRQ and DMARQ low (inactive) even when reset or
> not selected ("fighting" with SATA bridge chip) - that prevents SATA from
> working (the signal on those lines gets between the logic levels). It is
> probably the case with your camera - did you try to disconnect HDD?
>
> We'll see what can be done, maybe add some components to the 103692A
> adapter board ("lost interrupt" problem is solved with just a diode, but
> there is more with DMARQ and/or something else).
>
> Andrey
>
>
> On Tue, Jan 12, 2010 at 4:48 AM, Sebastian Pichelhofer <
> sebastian.pichelhofer at gmail.com> wrote:
>
>> Michael Aschauer wrote:
>>
>>>
>>>
>>>
>>>> No special plans - I just tried to preserve that code through the
>>>> updates, did not remove it.
>>>>
>>>>
>>>
>>> I see.
>>>
>>>
>>>> Michael, most likely (but I'm not 100% positive) the FPGA code does not
>>>> need any changes, just the software. And unfortunately we do not have
>>>> sufficient resources to do that job. I can only offer some help by answering
>>>> particular questions related to that code, not to do the actual coding.
>>>>
>>>>
>>> If it is on the software side (c or php) I might be able to hack into it
>>> - given I have some hints where/how to start, some time and certainly a
>>> camera at hand.
>>>
>>
>> I can borrow you the spare camera I have here (SATA and USB port not
>> functional) but it has an internal HDD so it should work fine for what you
>> need to do!
>>
>> Regards Sebastian
>>
>>>
>>> m,-
>>>
>>>
>>> _______________________________________________
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>>> Support-list at support.elphel.com
>>>
>>> http://support.elphel.com/mailman/listinfo/support-list_support.elphel.com
>>>
>>
>>
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>
>
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