rex98 please could you re-upload the source code and video tutorial since, for some reason, when clicked it says "invalid file specified".
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For a dell latitude 5420 what is the best way to r/w to the BIOS chip since it does not seem like a traditional clip can do the job. Should I sand down the ends of the clip so the metal can touch or is there some other method (preferably without unsoldering) that can allow me to r/w to the chip. I have a CH341A programmer and clip but the BIOS chip (windbond 25R256JVEN) seems to be surface installed.Comment
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The bios chip must be unsoldered from the board before writing or reading..
do not use the clip, you may have errors..if you do not have anything to unsolder it with,
solder wires between the programmer and the bios chip..
here is a video for example..https://www.youtube.com/watch?v=DWWi...nnel=ThisIsHow
You can also use an adapter for these chips.Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:
>>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<
Every donation made will go towards server fees and maintenance costs.Comment
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My question pertains to understanding the control circuity inside a Dell PT434 type battery used in Dell E6400, E6410 and other Dell notebooks?
Does anyone have a circuit diagram for the inside of a Dell PT434 battery and/or a description of how the control lines work to control this battery?
My reason for asking is I have a battery which I cannot get to charge beyond 1% in a Dell E6410 or E6400.
The LED bar graph charge indicator on the battery shows one LED lighted when the info button is pressed.
I have tried multiple different Dell power adapters. My Dell... -
Hey, i bought a Dell Optiplex 5000 8fc8 with chip W25Q128JVSN.
I also used the CH341A programmer but my usb cable (i didnt attach it directly into the pc, i used a cable between) was corrupted. So i made a dump. Then i removed the password but unfortunately the dump had a loose contact so it was corrupted. And i've also overwrited the chip and now i dont have any dump anymore.
Can someone help me? I am stuck since hours and i cannot find any bin file anywhere.
I tried to extract the EXE for BIOS installation from dell and also the rcv file but i didn't manage to do that.... -
Hello i need help please
i have DELL 7740 ST: J3JSD43-8FC8
i tried to read bios bit i think it is wrong because the size of the file is around 1mb
anyone can help to show its location on motherboard please.
i attached the results file the IC i read is : winbond 25q80dvsig
i don't know if its the needed bios or another bios on the motherboard.
thank you in advanced for your help... -
Hello, I have an old Dell G3 3579 (ST: 2WQ7LP2-8FC8) with a newer 8FC8 BIOS password. I have successfully attached to the flash chip (W25Q128JVSQ) on the motherboard with a CH341A programmer and made several modifications using Intel FIT (e.g., allow software SPI write) without bricking. I was also able to boot to a modified GRUB shell where I attempted to edit many BIOS security related options like BIOS Guard/Lock, Flash Signature Override, ME FW Image Re-Flash, etc.
Unfortunately, some of these modifications like to Intel BIOS Guard failed because it is fused into the PCH. Also,...
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