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 Post subject: Q: IDE to SD/MMC adapters compatible with MyIDE?
PostPosted: Sun Jan 25, 2009 6:57 pm 

Joined: Sat Oct 29, 2005 9:54 pm
Posts: 65
I recently came across an IDE to SD adapter (see below). I was curious if anyone has any experience with such devices a) in general and b) specifically with an internal MyIDE interface. Anyone?

link
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=220335184920&ssPageName=ADME:B:EF:US:1123

- Steve Sheppard


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PostPosted: Mon Jan 26, 2009 3:11 am 
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Location: The Netherlands
Hmmm, it sounds very interesting. I indeed wonder if this would work with MyIDE.
Normally the IDE interface is 16 bits wide but MyIDE only uses 8 bits. (It only uses half of the disks capacity). I wonder if this 8 bit access would work correctly if you redirect it to a SD-Card. But if the adapter still supports the old fashioned IDE transfer modes, it think it should work.

I saw the seller lives in Hong Kong. Since I will be in Hong Kong for a few days in June, I will see if I can find this item in a local computer store to save $7.90 shipping costs 8)

Robert



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PostPosted: Mon Jan 26, 2009 3:16 am 
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Location: netherlands
Hmmm. Interesting gadget.
In theory I would say: yes this could work.

Well worth for me to buy and try.
I'll browse ebay to find one with cheaper postage to the netherlands.

Not sure if the pc "myidetool" software can transfer data to SD / etc.
But I can try that right now right here.....

Thanks for the link!

Cheers,
Sijmen.


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PostPosted: Mon Jan 26, 2009 3:49 am 
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...again back...

-5 minutes later-
-I changed my post-
-selected the wrong physicaldrive#-

Tested the PC software on some SD cards.
I used a sector-editor to create a valid MyIDE partition-table (chs and lba).

The myidetool 'sees' a correctly formatted MyIDE-drive!
:-)
So this part does work.

Now to find me a SD-to-IDE device with low shipping......

Cheers,
Sijmen.


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PostPosted: Mon Jan 26, 2009 4:16 am 
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Location: netherlands
Bought one.
Costs me 12 euro incl. shipping.
8)
Now wait 10 days for arrivall.
I report when I tested it.

specs say: hot swapable (!) That's one plus above CF...

Cheers,
Sijmen.


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PostPosted: Mon Jan 26, 2009 8:40 am 
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SD cards are much cheaper than CF cards and because they are used in so many devices, I have quite a few SD card lying around so I ordered one as well.

If it doesn't work with MyIDE, I hope I can use it as IDE drive in my Atari Falcon. I only don't see a switch on it to make it master or slave. So it seems only one device is supported. Thus it probably isn't possible to add it as slave to the Falcon next to the internal HD. But it can replace the build in 80 MB harddisk. Any spare SD card I have lying around is much bigger than that 8)

Robert



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PostPosted: Mon Jan 26, 2009 12:00 pm 

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mr-atari wrote:
Bought one.
Costs me 12 euro incl. shipping.
8)
Now wait 10 days for arrivall.
I report when I tested it.

specs say: hot swapable (!) That's one plus above CF...
I believe it will work.

I thought of another question. Will the adapter support the CF 8-bit mode and Hias' modified movie player?

SD socket uses DIL spacing. Should be fairly easy to relocate the socket to a more convenient place than hidden inside my 800XL (probably right above the SIO socket). Can't really do that with CF.

- Steve Sheppard


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PostPosted: Mon Jan 26, 2009 8:00 pm 

Joined: Sun Feb 19, 2006 1:33 pm
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I will post my results when I get mine in.

Stephen Anderson


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PostPosted: Tue Jan 27, 2009 9:03 am 
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Just got my order-conformation
Chinese holidays.....
->item will be shipped on 5 february :-(

I'll tryed the 8 bit movie upload (512b/sector) to see if it works.
video/audio data is stored on the right sector and sequence.
So this should work.

This means the IDE-SD converter is 8-16 bit switchable?
Would be great :-)

Cheers,
Sijmen


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PostPosted: Tue Jan 27, 2009 1:47 pm 

Joined: Sat Oct 29, 2005 9:54 pm
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mr-atari wrote:
Just got my order-conformation
Chinese holidays.....
->item will be shipped on 5 february :-(

I'll tryed the 8 bit movie upload (512b/sector) to see if it works.
video/audio data is stored on the right sector and sequence.
So this should work.

This means the IDE-SD converter is 8-16 bit switchable?
Would be great :-)

Cheers,
Sijmen
Off Topic:

Sijmen, can you recommend any tools I can use to make my own MyIDE movies?

- Steve Sheppard


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 Post subject: Re: Q: IDE to SD/MMC adapters compatible with MyIDE?
PostPosted: Tue Feb 10, 2009 2:09 pm 

Joined: Sat Oct 29, 2005 9:54 pm
Posts: 65
Just wondering if anyone has had a chance to test one of the IDE to SD adapters yet.

- Steve Sheppard


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 Post subject:
PostPosted: Tue Feb 10, 2009 6:51 pm 

Joined: Sun Feb 19, 2006 1:33 pm
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I received my adapter, but I have not had the chance to order any SD cards yet:( Soon I hope.

Stephen Anderson


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PostPosted: Wed Feb 11, 2009 12:21 pm 
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Same for me. Got the adapter yesterday and no time.

It's holidays over here and my nephews are over for a week.
So no/little atari time :-(

Cheers,
Sijmen.


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PostPosted: Thu Feb 12, 2009 4:24 am 
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I received the adapter too yesterday. Although I have little time too, I managed to spend 30 minutes to try it out but I couldn't get it to work :(

I used a 512MB SD-card. The F-disk utility build into the 4.3 rom gave an IDE error when started. When I started it without an SD-card, the F-disk utility didn't gave an error. Then I inserted the SD-card and tried to init the card in automatic mode. The screen was flashing the rainbow colors and the leds on the adapter were blinking, but the returned CHS values were bogus. 1 head, 1 cylinder and 5 sectors or so.

Shawn Jefferson's MyIDE config program also gave an IDE error when started after which it stopped.

So at first sight there are problems. But I didn't test the adapter on a PC so I don't know for sure if the adapter is working. It certainly takes some more investigation. Maybe setting the CHS values by hand. Or maybe those adapters only support LBA mode and not CHS mode.

Robert



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PostPosted: Thu Feb 12, 2009 4:38 am 
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Attached the datasheet of the controller chip used in the adapter.
Maybe you can get some information from it what is supported.

There is not much info on the IDE capabilities but it says: "8/16 bit databus selection for task file register accessing". So I think the chip supports 8 bit access so at least the 8 bit access of MyIDE shouldn't be a problem.

Robert


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