Ricoh 1180:e823 does not recognize certain types of SD/MMC cards. - Buffalo SD 512MB dmesg: I/O error, dev mmcblk0, sector xxx - Kingston SD 2GB dmesg: I/O error, dev mmcblk0, sector xxx - Patriot Micro SDHC dmesg: I/O error, dev mmcblk0, sector xxx. Lowering the SD base clock frequency from 200Mhz to 50Mhz fixes this issue. This solution was suggest by Koji Matsumuro, Ricoh Company,Ltd. The patch was tested on Toshiba Tecra R850 by Daniel Manrique. Details can be found in: http://launchpad.net/bugs/773524 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
