Apply DMA to Compact Flash devices in latest kernel (DMA is supported)
DMA does not apply to Compact Flash devices even though they are UDMA compatible probably due to Kernel changes in Linux-3.2.0-1 or earlier.
Is there a way to enable DMA for these devices? They used to be enabled always.
Last edited by lilsirecho (2012-04-20 14:53:06)
Hi, Dusty. All digital cameras that I know of write their memory cards in FAT32 format. Macs, which have always been able to read FAT32, have no trouble reading them, with the exception of the XD cards that many Olympus cameras use. Those are often not readable by Macs for some reason, but it isn't because they're FAT32-formatted. The E-410 can use both CF and XD cards, but you should use only CF cards in yours to avoid problems.
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Hi Y'all,
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In the docs, it says "use only a 8GB or 16GB Compact Flash (CF) Card":
http://docs.sun.com/source/820-4855-12/chap3-pre.html#0_pgfId-1008964
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That makes me think that the disk is too big for the BIOS, even though the docs say a 16GB CF should work. Now, we have another x4540 that DOES boot off a 4GB CF. We tried it in the new 4540 and it does work there as well. So: Are the docs wrong, and you must have only a 4GB CF? The BIOS sees the 4GB CF just fine:
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Or, are only certain CF cards supported? I could not find a list anywhere... I tried contacting Sun Hardware support but no one seems to have any info over there yet. Does anyone here perhaps have any data? Like, which CF cards are supported? From what I gather, Oracle does not sell CF cards anymore and we were asked to buy a 3rd party one, without knowing there would be problems.
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PS- I already upgraded the BIOS to the latest version to try to fix this, but it didn't help...Hello,
We boot 6250 blades in a SUN Blade 6000 chassis with 4GB Kingston compact flash cards, and have no issue. It sounds like the docs are incorrect that the 16GB card is supported, as the BIOS needs to be able to recognize it and does not. Since Solaris or Linux will fit just fine in 4GB, I'd suggest going that route, unless you need it for more than just the OS (like using it for swap as well). -
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I am a photographer and have been experiencing issues when trying to copy or move files from my compact flash cards or my viewer HD device. Both my Sandisk reader and the epson connect to my iMac through USB (rear ports) and during the copy process, I get messages that one of the files are in use, and the rest of the copy is aborted. Since the copy process doesn't work in a numerical or filename fashion, I have to look through each file that has been copied and try to identify which files were missed. The weird thing is that if I try to copy the file that was mentioned in use, it works fine
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My Macbook Pro won't read my Compact Flash card
Here’s the problem.
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There is nothing wrong with the card; it works just fine in our Windows machine and in my camera.
My Compact Flash card is a Kingston 4Gb card. It was formatted in the camera.
The camera was bought approx 2003. Its a digital Pentax Optio 33GS (top of the range at the time shooting 3.2 megapixels!).
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Disk Description: 4Gb Generic Storage Device Media
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Format MS-DOS (FAT16)
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OK so then I tried Mac OS Extended (Journaled) but this failed as above also.
I am not quite sure why, but when I reinserted my card into my camera, my camera could not read the card so I had to reformat the card within the camera.
Oh yes, I also tried rebooting my Macbook with the card inserted but this made no difference.
I have run our of ideas. All help gratefully received.
Thank you. Carol
PS ... apologies to anyone who saw my previous post in which I referred to my card as an SD card when in fact it is a Compact Flash card
MacBook Pro, OS X Mavericks (10.9)
I have this question too (0Okay, I am making progress here now.
Using the link in my message above timestamped Dec 13, 2013 4:24 AM, I filed a tech support request describing the problem. Because they asked for details to confirm that the problem was with their product, I copied and pasted pretty much verbatim the text from my message above.
Around noon, same day, I got a message back from technical support saying they were sorry for the problem and would provide me with a replacement unit. Two hours later, I got a message from their RMA department saying that because the product has a two year warranty, they needed a copy of my receipt. I located a copy of my receipt for the purchase from Amazon on September 10, 2012 and forwarded that to them.
At this point, I am optimistic that it's going to work out okay. So far, I am very impressed with the responsiveness of Kingston's technical support and customer service departments.
If I actually do receive a working replacement, I will post an update here. -
Compact flash- iPod transfer?
Is there a device that will let me transfer photos from my camera's memory card (Canon 350, compact flash) to my iPod "in the field"? Purpose built hard disks for this have a slot to insert the memory card. Is there some sort of adapter so I can use my pod for this?
Belkin Digital Camera Link for iPod may work depending on your iPod model.
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Hi guys,
I inserted my original compact Flash MEM-C6K-CPTFL256M on disk0 on SUP32-ge-3b. The goal is to backup the IOS on my flash.
I insert the flash:01:00:18: %FILESYS-SP-5-DEV: PCMCIA flash card inserted into disk0
but when i try to format or copy the output is:Router#format disk0:
Format operation may take a while. Continue? [confirm]
Format operation will destroy all data in "disk0:". Continue? [confirm]
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Router#
and
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Destination filename [s3223-ipbase_wan-mz.122-18.SXF11.bin]?
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Using Third Parth Compact Flash in a 2811 Router?
Hello all. I have a 2811 with a Cisco-installed 64MB compact flash card installed. It's not enough to install CallManager Express. We are in a pinch and need a bigger card fast. We tried using a Transcend 256MB compact flash card (not Cicso-approved or anything).
It doesn't work though. As far as we can tell it is formatted just as the 64MB card. Has all the same files on it but it won't boot.
If we boot with the 64MB card and then swap in the 256MB card, the console will display messages saying CompactFlash has been inserted. But "sh flash:" will result in device "flash:" not found.
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http://www.amazon.com/SanDisk-256MB-CompactFlash-Memory-Card/dp/B000YA9G3S/ref=sr_1_9?ie=UTF8&s=electronics&qid=1221688285&sr=8-9
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Problem loading Compact Flash to PSE6
Never had a problem until today.
Loaded a SDHC (NEF files) no problem. Tried loading Compact Flash (NEF files) and got the following message:
"Nothing was imported. The file(s) or folder(s) selected to import did not contain any supported file types, or the files are already in the catalog".
The files are not already in the catalog and I was able to view the Compact Flash images in the camera so I know that they are on the card.
HELP!!!!Do you have updated camera raw version installed? Which Nikon camera is it. You may try downloading the latest camera raw(ACR) version and replave the file in your plugin folder at your installed locatio. Let me know if that works.
~V -
Any joy with compact flash?
I would like to use a compact flash card in an IDE adaptor, but it takes an awfully long time to boot because of all sorts of problems, apparently concerning DMA. It seems to have nothing to do with the kernel version, I've tried it with Arch, slax, kanotix, even an old slackware, and on three different machines. Various kernel boot paramaters (i.e. without acpi, apic, dma) also didn't help, though I was a bit puzzled that I still got dma messages with dma (ostensibly) disabled.
I suppose the strange thing is that after this long delay and the string of error messages, the thing seemed to work ok, it's just very impractical.
Has anyone any ideas?For anyone else who wants to attempt something similar: I'm afraid I didn't make a note of the websites with useful info, but somewhere on the SanDisk site there is an extensive compact flash specification, including the pin connections. I also found a circuit diagram for a cf2ide adapter (try googling 'cf-ide circuit diagram', I think that's how I found it).
But basically, to enable DMA, two connections need to be changed:
Compact flash pin 44 - IDE pin 29
Compact flash pin 43 - IDE pin 21
Beware of the unusual pin numbering on the compact flash, though. The top row is 1-25, the bottom row 26-50, with 1 being above 26. -
Compact Flash Cards Won't Eject
I'm using Lexar UDMA and non-UDMA compact flash cards. I have the combination Lexar CF/SD pop-up USB card reader. It works on my MacPro. On the new unibody Macbook I bought last fall, there is a consistent problem mounting and ejecting cards of either type. When the cards mount, trying to eject them invariably brings up error messages... The first one says, "Can't eject, some app is using the card", if I do nothing often I get another message that says "Device removed improperly...". Then the card appears to eject, but then won't remount. Just a mess. Was in Africa for three weeks shooting and the only reliable way to download images was USB straight from camera to laptop.
Anyone else experiencing this sort of issue?I'm not having the same issue, bought thought I may be able to help troubleshoot. Are the Mac Pro and MacBook running the same OS level? (i.e. 10.5.6 like your MacBook is)
Also, are you using the pop-up USB reader on both the Mac Pro and the MacBook?
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USB, compact flash and N8
I'm trying to connect a Nikon camera with compact flash via usb to my N8. I get the message "usb not recognized".
I get the same when i remove the card and try to read it through a card reader.
Any help?
Camera: Nikon D700
Phone: Nokia N8
Card: Sandisk CF Extreme III 2GbN8's USB OTG supports some things and not all.
For instance, it supports Kingston Pen Drive of 8 GB, etc.
But it won't support HP Drive of 4 GB.
Secondly, it only support some keyboards, not all.
So, I would suggest you get a different card reader from a friend and try...
Otherwise, use a SD to compact flash adapter, with a Micro SD Card and then use that card with card readers or Micro SD slot of your N8...
==============================
My Story: Used 6670, Used N91, Used N8, Using Pureview 808 now. I requested Nokia to get N91's sound quality and features in the latest phones. No response from Nokia! -
Compact Flash conversion Lifedrive
Hi everyone, I am new to this forum and apologise if this is the incorrect format.
I love my Palm but I have a problem
I have an issue on converting my Lifedrive to Compact Flash.card to prolong its life.
I have followed the how to on Wiki I used an Apple Mac, purchased Copycatx and a 4 gb SanDisk Extreme III which is on the compatibility list of known cards that work...
I used Copycatx to duplicate the Lifedrives Micro drive as per instruction,
this I saved to my desktop.
I then put the CF card in the card reader but it won’t transfer the image as the volume of the CF card at 3.74 GB is too small for the image at 3.81 GB.
What am I doing wrong?
I have duplicated the Lifedrives micro drive several times and the image volume is always the same at 3.81 GB.
I tried the card straight out the box and later formatted it on FAT32
No Joy!
Could someone point me in the right direction please?
Regards to All
Ted
Post relates to: LifeDrive
Post relates to: LifeDriveThe SanDisk Extreme III is too small to place the image on. The way memory works is even though you have a 4GB card it is actually a little smaller due to how the data is stored. Outside of that unfortunately we do not support modifying the devices on this forum. I would suggest that you look at the Wiki that you got this information from and see if they have a forum of there own and see if they can help you.
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has anyone had issues with their compact flash mechanism dont going down, the button is stuck in down position and it asks
as if its broke.Overdrive for epub books, Kindle for mobi. I did find a work around for the brightness issue. Turn your brightness all the way up while it's in portrait mode, then turn it all the way down, then flip the device to landscape mode and you can read it dim without part of the screen being brighter. It's been working on my ipad mini anyway. Worth a try. It's still annoying, but at least it is something.
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