sony vaio bios password problem

[wahye]

sony vaio bios password problem
I have a sony vaio laptop model PCG-7R2M
the problem is that it asks me password in bios and I have not the code
I veus know what type of bios chips for me the program or if there is a calculator which can calculate me onetime password
thanks in advanced

[lagerland]

Not sure if this one has jumper or battery,but either way you have to get to the M/B,if it is the battery option then remove it for half an hour that should reset it.If not you will have to find the correct jumper..............

[wahye]

Not sure if this one has jumper or battery,but either way you have to get to the M/B,if it is the battery option then remove it for half an hour that should reset it.If not you will have to find the correct jumper..............

thinks for reply
i want know what exactelly a chips of this bios 24c02 or 93c46 i try to read 93c46 but i find ffffffffffffff in dump
sorry for my bad english

[wahye]

problem solved

[caveman_nige]

problem solved

its always useful for other members if you explain how you solved your issue as it well help others in the future..

[wahye]

its always useful for other members if you explain how you solved your issue as it well help others in the future..

ok i reprog the chips bios in the first adress i write 00000000000000 and the bios back to the states as if it's initial first use for this pc then we can write password for the first time