Headphones & Mp3 Players forum

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R-1 compatibility problem

by pauladriaenssens / August 8, 2005 6:59 PM PDT

I'm experiencing a compatibility problem between the Edirol R-1 and Standard grade Type1 SanDisk cards. These are semi-industrial upgrade cards with better performance specifications.

SANDISK 2GB CompactFlash (CF) - EXTENDED (INDUSTRIAL) TEMP, STANDARD GRADE SDCFBI-2048-201-00. Specifications at http://www.siliconsystems.com/pdf/SiliconDrivePCCard.pdf

Here's the checklist:

- The R-1 works perfectly with other cards (consumer grade SanDisk + other brands)
- The SanDisk Standard grade works perfectly with other devices (formatted and used by digital camera, computer)
- It is recognized and usable through the R-1 when in USB mode (connected to comp.)
- It is recognized for formatting by the R-1, which yields the message 'formatted', although instantly upon pressing 'enter' (??)
- When transferred to camera at that moment camera yields message 'card not formatted'
- The R-1 accepts the 'rec standby' mode and displays the correct recording time (!)
- It refuses to record and switches to message 'no song' instantly; there are no error messages

Anyone who has experienced similar problems and solved them ??

Thanks for your replies!

Paul

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Yes.
by R. Proffitt Forum moderator / August 8, 2005 10:37 PM PDT

While our system was not a MP3 player we found we had to qualify CF cards as time went on. The issue was in the firmware of the controller that we didn't write the code to. In our case there is no cure available.

Bob

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follow-up
by pauladriaenssens / August 8, 2005 10:56 PM PDT

Reporting the problem to Edirol technical support resulted in receiving this link:

www.roland.com/products/en/_support/faq.cfm?iCncd=579&FAQ=EN04-06226&dsp=1&ln=en

I'd rather have been informed of this beforehand (addendum to manual for instance), although my specific cards are not mentioned in the incompatibility table.

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Our table is incomplete too. Here's why.
by R. Proffitt Forum moderator / August 8, 2005 11:04 PM PDT
In reply to: follow-up

There are some thosands of cards out there so we can't collect them all. And as we progress into the 1+GB realm the costs of testing go up. It's not just the cost of the card but the time to fill it up and check that all the content didn't get scrambled goes up.

If this is an issue with a commercial product, you could work with the maker to verify your cards prior to beginning your production.

I can't tell if you are a consumer, but I'm writing from the OEM and producer view.

Bob

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