Zitat von lfb6 im Beitrag #15

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Zitat von toti im Beitrag #14

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........just as long as i have a clear view of chips and can safely clamp them.? laptop dont need to be connected to power supply right.?

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Yes, normally it'll work that way.

Zitat von toti im Beitrag #14

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should i try on this board first.?? or the one in the laptop.? or both.?

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Try first on the damaged old board. There's the possibility to make a short with the clip, and there's normally bad contact the first tries so you're reading FFs or... . If you get reproducable readouts (at least 2 times absolutely identical files) you're normally good to go to write, too.
If you just need 2 tries and everything is fine, good for you and not much time lost. If you need much training you'll feel a lot better if you made your first tries on board that's unfixable anyway. Put the 2 MB file at the end of the 8 MB file in a hexeditor, open the resulting 10MB file with UEFItoolE, this should give you som structure:



If you find errors in parser for your dumped old bios, you might have found the/ an area where the/ a brick happened.

Zitat von toti im Beitrag #14

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https://www.win-raid.com/t4175f16-GUIDE-Flash-BIOS-with-CH-A-programmer.html

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Yes, that's a good guide.

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Put the 2 MB file at the end of the 8 MB file in a hexeditor, open the resulting 10MB file with UEFItoolE, this should give you som structure:
this i did not undesrtand very well. i have never use a hexeditor. so could you please tell me name of program. i understand i will open the 8 mb file then the 2 mb file and create a 10mb file with uefitoolie . are this the files ill be flashing .? or what is this for.?sorry