you want i2cdump 2 0x50, not 0 0x50 - you dumped your SDRAM EEPROM, not your DDC one. Vesselin Dimitrov wrote: > > # prog/dump/i2cdump 0 0x50 > 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef > 00: 80 08 04 0c 08 01 40 00 01 a0 60 00 80 10 00 01 ??????@.??`.??.? > 10: 8f 04 04 01 01 00 0e 00 00 00 00 14 14 14 32 08 ?????.?....???2? > 20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12 a2 ..............?? > 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 62 00 ..............b. > 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 64 c4 ..............d? > 80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ > 90: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ > a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ > b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ > c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ > d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ > e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ > f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ > > I think that the problem is in fact in i2c-voodoo3.o > because there was some scanlines offseted by 1 pixel > to the left when the module was loaded and this was > hard to be seen. When I removed the module and restarted > the machine all came back to normal.