USB Flash Drive Enablement and Support

ewhisper

Overview\r\nSupport added in releases 61D and 53Q and following\r\nto allow reads/writes to USB generic storage devices.\r\nPrimarily this is intended for USB flash drives, to add\r\ncapability for data backup.\r\nBoot support to be added in spring 2009 release of\r\nfirmware. Typical usage is diagnostics boot for CE\'s.\r\nSoftware packages required\r\ndevices.common.IBM.usb provides USB system\r\ndriver.\r\ndevices.usbif.08025002 provides mass storage\r\ndriver.\r\nEnablement\r\nAfter insertion of flash drive into USB port, run\r\ncfgmgr -l usb0.\r\nDevice shows up in lsdev as flashdrive0 (or 1 or\r\n2, etc.)\r\nAlso creates device special files /dev/flashdrive0\r\nand /dev/rflashdrive0\r\nUsage\r\nCan be read/written with backup/restore, tar, cpio, dd\r\n– Destroys formatting if any existed (FAT32, etc.)\r\nISO file system can be mounted\r\n– Use “mount -rv cdrfs /dev/flashdrive0 /mnt”\r\n– ISO file system (created by mkisofs) is written to flashdrive with dd command,\r\n“dd if=myimage.iso of=/dev/flashdrive0”\r\nNote on supported devices\r\nHave tested:\r\nLenovo 2GB Essential Memory Key\r\nKingston 4GB Data Traveller\r\nSanDisk 4GB Cruzer\r\nHave found some problems with Kingston 1GB\r\nmodel, but others have reported general success\r\nwith use of various models (including USB hard\r\ndrives).\n\n[ 本帖最后由 ewhisper 于 2009-2-4 10:00 编辑 ]