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E001754 Guru
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Joined: 01 Aug 2004 Posts: 442 Location: Paris, France
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Posted: Fri Jun 26, 2009 9:42 pm Post subject: [SOLVED] multi card reader |
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Hi there,
I've bought 2 different card readers : one is the AK-ICR-05 from AKASA manufacturer. This is a internal card reader.
The second one is a Sony MRW62E-S2, which is an external card reader.
Both ones are working great when it comes to read a compact flash.
But, when I try to insert an SDHC card, nothing happens.
So, I found that I need the SDHCI kernel module, in order to be able to read SD cards.
I've also understood that I would also need a special kernel module that will support the internal chipset of the multicard readers.
My question will be : how can I read somewhere the chipset found inside the card readers ?? lsusb, lshal, lspci or dmesg haven't given me any interesting information.
The only thing I know is the Akasa reader is using some Realtek chipset.
What part of kernel should I activate to be able to use one of those two readers ??
Thanks for any help
Last edited by E001754 on Sun Jun 28, 2009 2:40 pm; edited 1 time in total |
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NeddySeagoon Administrator
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Joined: 05 Jul 2003 Posts: 54831 Location: 56N 3W
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Posted: Fri Jun 26, 2009 11:44 pm Post subject: |
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E001754,
These things are SCSI devices with multiple Logical Unit Numbers.
The CF Card is usually what you get when you don't scan all LUNs.
You need CONFIG_SCSI_MULTI_LUN=y in your kernel. _________________ Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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pappy_mcfae Watchman
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Joined: 27 Dec 2007 Posts: 5999 Location: Pomona, California.
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Posted: Sat Jun 27, 2009 6:59 am Post subject: |
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Also, to find the exact devices you have, send the results of lspci -n to this web site. Set up the drivers it tells you, and only those drivers. I compile those drivers (SD) into the kernel. That seems to work best for those with the devices.
Blessed be!
Pappy _________________ This space left intentionally blank, except for these ASCII symbols. |
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aidanjt Veteran
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Joined: 20 Feb 2005 Posts: 1118 Location: Rep. of Ireland
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Posted: Sat Jun 27, 2009 8:49 am Post subject: |
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lsusb would be needed for those.
Also, just enable all the mmc drivers as modules, and let udev do it's thing. _________________
juniper wrote: | you experience political reality dilation when travelling at american political speeds. it's in einstein's formulas. it's not their fault. |
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E001754 Guru
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Joined: 01 Aug 2004 Posts: 442 Location: Paris, France
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Posted: Sun Jun 28, 2009 2:40 pm Post subject: |
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NeddySeagoon wrote: | E001754,
These things are SCSI devices with multiple Logical Unit Numbers.
The CF Card is usually what you get when you don't scan all LUNs.
You need CONFIG_SCSI_MULTI_LUN=y in your kernel. |
That was the part which was missing, as well as sdhci of course !
Both reader are working well now.
Huge thanks to all.
Special thanks also to pappy_mcfae for the debian link that is very very usefull to find out what kernel module can handle a particular device.
Cheers. |
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pappy_mcfae Watchman
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Joined: 27 Dec 2007 Posts: 5999 Location: Pomona, California.
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Posted: Sun Jun 28, 2009 7:18 pm Post subject: |
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You're most welcome!
Blessed be!
Pappy _________________ This space left intentionally blank, except for these ASCII symbols. |
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