Hallo Peter, in the short: the timing of the read/write-process was wrong and the galep-producer change his software ;-) its so easy sometimes .... ...no protection
Thomas Peter Stuge schrieb: > Hey, > > On Wed, Aug 15, 2007 at 01:54:59PM +0200, Thomas Buschhardt wrote: > >>> It is quite likely that the different sample BIOS images from the >>> vendors are different, even if for the same hardware. >>> >> Of course they differ, but if I read 1 chip 3 times and compare the >> bin's - they differ too :-( >> > > Ouch. Do they differ a lot? Can you run xxd on them and then diff? > > Bit errors indeed start showing when the chip has been through > (quite) a few erase/rewrite cycles. I had not heard about that > write protection idea before. > > > >>> Can you get a few other flash chips for further testing? >>> >> Today I telephone with the Galep producer and he said - some chip >> vendors use a "writeprotection technic" that u cant use the free >> samples to burn your own image on it. I order some new (clean ;-)) >> chips. I understand these method, because one of these vendor >> (www.insydesw.com) offer 50 chips for free - its quite a lot of >> money (1 chip is about 5.90 EUR). >> > > If you are a company and have a budget for more than just a few chips > you can usually get a decent deal for 30 chips (one tube) from the > local component distributors. > > Price goes down a lot when quantity goes up, so I doubt Insyde is > paying very much.. :) > > > //Peter > > -- linuxbios mailing list linuxbios@linuxbios.org http://www.linuxbios.org/mailman/listinfo/linuxbios