Keith1341
Member
Last Activity: 04-14-2025, 02:16 PM
Joined: 05-22-2024
Location: Milwaukee WI
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Would it make any sense to extract both the 1.13.1 bios, and the 1.2.2 bios using this method, and then "replace" the BIOS-UEFI file in the 1.13.1 extraction with the 1.2.2 BIOS-UEFI file? Then if possible, repackage it and try to flash it?... -
I do not recall from memory what the chip sizes were, but from what i posted in this thread, it looks like they were 2048kb, 1024kb, and 128kb. No 256 bytes to speak of.
From what you said, it almost makes me wonder if there are multiple chips that get flashed (using your logic of different images included) when the bios is flashed, and not just the one chip?Leave a comment:
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Well, I guess the positive is you have seemed to confirm that chip is in fact the bios chip.
I’m glad you were able to bring it back after it was bricked. I do wonder though if the straight up .rcv file from the Dell website would successfully flash to the chip? Maybe not necessarily 1.2.2 to begin with, but work backwards slowly?
Just a thought.Leave a comment:
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Hopefully, you can read it. Unsurprisingly, the item that I posted the link for did not work.Leave a comment:
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I just ordered an adapter that from the looks of it I am hoping I can use to attach to the chip:
[url]https://www.amazon.com/gp/product/B09Y417816/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1[/url]https://I just ordered an adapter th...F8&psc=1[/url]Leave a comment:
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The height of the chip is so low that I was not able to get the clip to attach to the solder points, no matter what I tried.
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Thanks! I will try that when I get home in a few hours....Leave a comment:
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Hopefully these help. One of the pictures contains a chip that is not shown in the motherboard photos because it was hiding underneath a silver protective sheet....
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I was finally able to disassemble the laptop this weekend. From what I can tell, there are at least 5 "winbond" chips on the motherboard. I connected a CH431 to each of the chips, and did a dump of the data to see what was what. I only ended up getting a .bin file that was 2048kb, 1024kb, or 128kb. None of them seemed to have the amount of data stored in them that would correspond to a full blown bios. So I'm at a stand still because I don't know which chip is the bios chip.
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I haven't had the chance yet to take the machine apart. However, I did find a picture online of the back side of the mobo that is pretty decent. Is it possible that this is the bios chip? I put a blue arrow pointing at it on the picture....Leave a comment:
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I was trying to slowly work my way back to 1.2.2 so I could use the Smokeless_UMAF, just as you mentioned. I’ve got the 7845hx/4080 variant. Once I get it disassembled, I can add a pic of the other side of the mobo....Leave a comment:
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What I did was I loaded the BIOS_IMG.rcv 1.8.0 onto a USB and did the CTRL-ESC key combo while plugging in the machine. I then got to the screen where I could select update bios. I selected that, and it then proceeded to go to the screen where it shows its going to "upgrade" the bios from 1.10 (what it shipped with) to 1.8. The progress bar showed it progressing, and when it reached 100%, it said that it was successful. Then the system rebooted on its own, and here we are.
EDIT: I know I'm most likely going to have to completely disassemble the machine if there is any chance...Leave a comment:
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By chance were you able to indentify the bios chip? I was trying to do the exact same thing you were, and downgrade the bios to 1.2.2. Except now I get the dreaded 2 red 2 blue power light blink, and the m16 will not post. I’m going to guess the bios chip needs to be reprogrammed now?Leave a comment:
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Hello everyone! I have a laptop that needs to have the bios chip itself reflashed via a a reprogramming tool. I’m hoping to learn how I can go about doing that here.Leave a comment:
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