i tried to flash 6000l with oz 3.5.2 and took all the precautions after reading the posts here - nand backup to cf, and when tried to flash had mail and charging lights blink for a long time with no activity. went into maintence menu with reset d p buttons. when tried to restore nand from cf - message sysxxxx.bak no file exists. tried to restore system from a Fat formatted cf card with files extreacted for sharp rom obtained from zaurusexterne and from maintence menu cf update message - found orders then 'errors!!!' help what to do next and i have tried all combinations of buttons to try to get out of maiuntence menu but no success. i have a mac osx and windows machine. do i need a linux machine to format the cf card or windows format ok?