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Re: [emax] Does it matter what speed Compact Flash (CF) you use with Emax 2

2011-07-21 by Ted Summers

I wouldn't use larger than a 1GB card.
Additionally- the SCSI controller in Emax 1 and 2 is an 5380 with max
1.5MB/s transfer rate.

Go with Class 1 or Class 2 cards to avoid problems.
There is no point in getting "high speed" cards- you will only cause
yourself problems.

But what do I know....

Regards,
Ted


On Thu, Jul 21, 2011 at 9:13 AM, Matthew <matticulous@hotmail.com> wrote:

> **
>
>
> I bought the PCD-50B and have successfully formatted and used a 64MB CF
> card with the Emax 2. It's a PNY branded card made by Toshiba. The model
> number is THNCF064MMA. Per a spec sheet I found online, the card supports
> PIO mode 4 with a sustained write max of 1.5 Mbytes/sec and a sustained read
> max of 6.5Mbytes/sec.
>
> I have also tried using two different Transcend 2GB 80x Compact Flash
> cards. They both produce strange results which I assume are due to their
> speed. For instance, the cards format and verify but simply selecting them
> via the Drive Select button can cause presets to be created (00-99) with
> blank names. I've even seen an issue where accessing the drive causes the
> sample memory to disappear. Like I said, very strange. And these strange
> problems disappear after powering off and switching to the 64M CF card.
>
> So, is my issue with these cards their size (2GB) or the fact that they are
> 80x speed? What is everyone else using? Can I use an 80x card (or faster) if
> it's 1GB or less or do I need to be looking for older Compact Flash cards
> that are 40x and under? I assume 40x works because 150K/sec seems to be what
> 1x is and the 64MB card I believe to be ~44x since ((6.5 MByte/sec * 1024) /
> 150) = ~44
>
>  
>


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