[help] sst25vf080b

[phantomEVO]

hi to all, i have to reprogramm i bios into an sst25vf080b: i don't understand how to connect into my programmator:



could you help me?

[phantomEVO]

i've also this tiny adaptor: is it the correct one?



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how i have to solder the chip into this adapter and how ive to connect it into the programmer?

[Ezo]

Last adapter looks OK. it should be 1:1 pin .
Adapter place in socket 25Cxxx
Remove jumper Open 3.6V
Apply SW 0.98d12c3

[phantomEVO]

ezo if i remove the 3.6 jumper it doesn't erase the chip. if i install the 3v6 jumper it erase the chip!


HOWEVER with jumper installed, it give me an error at 99% writing! i'm trying without the jumper

[phantomEVO]

it says "error at 0x000000 chip = 0x00 buffer = 0x02 (WHITHOUT THE JUMPER)

it says "error at 0x000000 chip = 0xFF buffer = 0x02 (WITH THE JUMPER)
HELP!