Yes, all could have been done using RU, any changes you wanted to make I mean, BIOS mod is generally not required if you just want to change a few settings. Yes, other chip will look like the BIOS one, but would not be same chip ID. Sometimes there is not one, and it's on other type of chip, but usually there is SOIC8 chip for EC/KBC too, size 128KB-1MB generally
No, 3v-5V thing does not matter
Please try write again with #1, then without powering on, close the program, open the program again and then >> Read, Verify, Save and send me that file, or you can compare if you know how. Compare this in hex to the file you wrote, if it's 100% match then write is OK. I will check out the BIOS again and see if I can figure anything out that may be off. I will also make you a near 100% stock BIOS, so booting should not be an issue at all, if this is a BIOS problem (This way your dump is not part of the questions here)
FPT dump from someone else should not be needed, we have yours anyway. I am not sure if the "Full" dump from your FPT folder is actually full though, I will have to look through it again. Did you try programming that back to chip already, as it is?
Please don't send PM's for help on BIOS edits, I can't help with BIOS in PM's. Please make a thread and I will try to help as soon as I can - thanks! If you appreciate my efforts and are willing to donate to help improve my hardware, gift cards work for me (Amazn, NuEgg, eBa) - send me a PM I view the forum like this, please bump your thread 1x every 24-48 hours if no reply
Zitat von Lost_N_BIOS im Beitrag #16Yes, other chip will look like the BIOS one, but would not be same chip ID.
i can take another look but i didnt see any 8 pin chips similar to the bios chip but then again im only human so i could of missed it.
Zitat von Lost_N_BIOS im Beitrag #16I will check out the BIOS again and see if I can figure anything out that may be off.
ok, i will do another write of the first one, then close/open and do a read and save it for comparison.
Zitat von Lost_N_BIOS im Beitrag #16I will also make you a near 100% stock BIOS, so booting should not be an issue at all, if this is a BIOS problem (This way your dump is not part of the questions here)
that would be great, whatever you think would work. i would like to say that the FPT dump i provided was from an untouched bios but im 99% sure i had already made an edit to it with RU to enable undervolting before i ran it and i cant say for sure if TPM was disabled when i did run it. the person i paid that walked me through all this was not a man of many words and was a little vague on instructions, i think there was also a bit of a language barrier so that didnt make it any easier.
Zitat von Lost_N_BIOS im Beitrag #16Did you try programming that back to chip already, as it is?
i've tried flashing every single .bin i have multiple times using different tools. this problem has my stomach in knots feeling like i may have permanently bricked my brand new laptop somehow. the power light comes on but i cant hear anything going on in there, no inductor noises or anything. the power button light is the only indication anything is turned on.
i just got done reading through your other thread involving the MX25L12873F, poor guy having to re-solder for every flash, but it's good to see you seem to be someone who enjoys helping people do this stuff
i had someone with the same specs legion 5i do a dump of an untouched bios, same cpu/gpu but its the 15" version. the 15" and 17" both share the same bios. https://share.unixfy.net/same-spec-model-dump.zip
The only way to know 100% for sure if write was valid is to close the program, open it again then read, verify, dump, and then compare that in hex to what you wrote. Generally though, once you know what program and ID works for a valid write (ie you did a manual compare like this already), then you don't need to do it anymore and you can trust that your writes are OK each time you use that same software/version/ID
Did you try writing in that other users dump and see if it boots or not?
Did you test both BIOS I sent you? From your link above, that is the second one I suggested you test. Write is 100% match, so you're good there, no need to compare anymore
Please don't send PM's for help on BIOS edits, I can't help with BIOS in PM's. Please make a thread and I will try to help as soon as I can - thanks! If you appreciate my efforts and are willing to donate to help improve my hardware, gift cards work for me (Amazn, NuEgg, eBa) - send me a PM I view the forum like this, please bump your thread 1x every 24-48 hours if no reply
Zitat von Lost_N_BIOS im Beitrag #19once you know what program and ID works for a valid write (ie you did a manual compare like this already), then you don\'t need to do it anymore and you can trust that your writes are OK
ok, then i should probably stick to AsProgrammer 1.4.1 since it's the only one to ever write, verify, and boot. it's also what i used to write and read the files you verified as matching.
Zitat von Lost_N_BIOS im Beitrag #19Did you try writing in that other users dump and see if it boots or not?
yes, but unfortunately it still does the same thing.
- since last night i have tried flashing multiple versions of bios including the ones you provided as well as some others. i tried the modded version which i know has booted before and i tried flashing it with and without power (when this worked a few days ago it was flashed with all power disconnected). - on each attempted boot i gave it a full 2 minutes of power cycling before pulling the plug, then i tried again after pulling 1 stick of ram but the behavior doesnt change. - even with no ram and no hard drives installed the power loop behavior is exactly the same.
i really dont know what to do here but i know its too late for me to send this in for warranty and i cant afford to buy another one. a new motherboard costs more than i paid for this entire laptop so thats not an option.
i dont have a very high quality camera, just a phone but if you think me pulling out the motherboard and getting as many photos as possible will help then i can do that, there must be ways of telling if any of the components are damaged, no? i have a multimeter if thats whats needed to test.
EDIT: also, why does the FPT dump produce 2 .bin files? is each one from a separate chip? -----------------------------
ok, so i've been at it with a meter for hours trying to figure out exactly what is going on. i started checking the on board fuses to see if power is getting from one side to the other, i have only checked 1 side of the board with the meter and 1 thing that stuck out to me (or burned me for that matter) was that the only place i feel any heat being generated was from the nvme/wifi mount areas of the board, after removing the wifi adapter and nvme i can see the heat is coming from the other side of the board and it's very hot. i'll attach some pictures of the front side of the board showing the bios chip and anything else you might see that im missing.
i will send pics of the back side once i have it out. and to clarify, this spot gets very hot just from having the A/C adapter plugged in and also when only the battery is plugged in. i do not need the laptop power to be on for this to happen.
the first 2 pictures of the backside are of the same section, i circled the chip that gets super hot whenever power gets plugged in and circled a chip that had a lot of haze on it, not sure why
EDIT 2:
the chip that gets burning hot only has "RE=78 50W" written on it but i cant find reference to it anywhere.
@dglt - You also don't need to add/remove power anymore, since you know what method works that is all you need to do now. This may be when you change the setting you changed about XTU, this changed something on EC/KBC FW, and that may be the issue. This is on other chip, sometimes you can't even read/write this chip without doing via KB ribbon cable. Do you see any other SOIC8 chips? If yes, show me image or give me their ID's, so I can look up and tell you if you need 1.8V adapter to dump them, or you can look them up. Then dump once you know and let me check
No, if you cannot see burned traces, or lifted trace, or blown part, there is no way to see what is wrong/damaged (if anything)
FPT makes two dumps because that is what the batch file you used creates. YOu may make MANY different sizes of dumps, of different regions of the BIOS with this tool. What you dumped in this case is all from same chip, one is FD+ME+BIOS region and one is BIOS region only.
If something is getting very hot, that is often a bad part, or some part connected to it via traces is bad (which you cannot find unless you are a specialist at this kind of work) Nothing should get overly hot, especially with just being plugged in. Sounds like something is bad, either blown out, or voltage protection circuit tripped, or there is a short internally somewhere. "Hazy" chip, that could be blown out, hard to say
Please zip (max compress while zipping too), all those images for me, thanks
Please don't send PM's for help on BIOS edits, I can't help with BIOS in PM's. Please make a thread and I will try to help as soon as I can - thanks! If you appreciate my efforts and are willing to donate to help improve my hardware, gift cards work for me (Amazn, NuEgg, eBa) - send me a PM I view the forum like this, please bump your thread 1x every 24-48 hours if no reply
Zitat von Lost_N_BIOS im Beitrag #21Do you see any other SOIC8 chips?
there are a couple i didnt see before that look like they could be soic8, i do know that whenever i updated/changed bios versions the bios and ec were programmed separately one after another. is it possible to have bios on an SOIC8 chip and then have the EC on a WSON? because i see both types.
Zitat von Lost_N_BIOS im Beitrag #21If yes, show me image or give me their ID\'s, so I can look up and tell you if you need 1.8V adapter to dump them
in the pictures from my previous post i tried to include closeups of any chip i thought might be bios/ec related. and i actually have a 1.8v adapter for the programmer
Zitat von Lost_N_BIOS im Beitrag #21some part connected to it via traces is bad
i figured something was wrong but at the same time i dont understand how something like this could happen from using that modded bios or enabling XTU interface.
Zitat von Lost_N_BIOS im Beitrag #21(which you cannot find unless you are a specialist at this kind of work)
i think you underestimate my level of stubbornness . joking aside though im not a professional but i know i can do whats needed, if i can find the problematic component i can order another and i have no concerns about soldering which i've done plenty of times in the past.
you tell me if this sounds like a valid plan, or please do suggest another way if it's not right.
1. add power 2. starting at the hot chip, i would work my way through each component seeing where the power stops being passed through to the other side almost like you would do with any fuse. 3. document on images where the power path is and where it starts/stops 4. if something sticks out as broken, order/replace it
Zitat von Lost_N_BIOS im Beitrag #21Please zip (max compress while zipping too), all those images for me, thanks
ok, i'll do that now and add the compressed archive to this post.
thanks again for helping me work through this, it really is appreciated and not that i think you only do this for $$ but i think it's only right for you to be compensated for your time/knowledge and i'd be more than happy to increase the amount i previously offered if you can continue helping me get this laptop up and running.
- "hazed" wson 8pin : "4508NH" search shows its a sinopower MOSFET - chip next to "hazed" chip (wson 8p) "4513NH" . search shows its a sinopower MOSFET - wson 8p labeled "PK5E4BA" is another MOSFET
- the only other similar size SOIC8 chip i can see on the board is marked "AH2007" , im attaching to this post a close up of said chip.
EDIT #3: i managed to dump data from the only other SOIC8 chip labeled "AH2007" using colibri since AsProgrammer 1.4.1 wouldnt detect it. link to AH2007 chip dump : https://share.unixfy.net/ah2007-chip-dump.bin
@dglt - Ask dud2002 why ME FW does not match in original BIOS you sent him and mod BIOS he sent back to you. Maybe he sent you someone else mod BIOS ** See below **? But, even if so, it should have been OK. Main reason I noticed and ask this, ME FW region should not have been touched in his mod but it has a LOT of differences I am comparing and talking these two dumps only, ME FW region only original-bios-dump-from-chip = MD5 >> FA3B0309A4EB49B41B2FD9286F71236A modded-version-of-original = MD5 >> 05C8C2DA80213929FE7CD3D22DDB7A06
** Ahh yes, maybe this happened!! Maybe to save time, he already had mod BIOS region done or something, so sent you instead, or maybe just by mistake? I see NVRAM also does not match, at all, and this also would not differ in the way I'm seeing, even if he modified some stuff there (which is not required for BIOS mods, but sometimes we do) Never mind, I see what happened! What you sent me is just NOT the original BIOS you sent him to mod, you must have sent him some other file instead, and got confused on which you sent him, when you sent the files to me. Please try to find and confirm which file exactly you sent him to modify, check your PM's over there and find the link you sent him and download it, then send me this
Now, to your reply above
Yes, sometimes BIOS and EC would be on different chip types, sometimes even EC/KBC FW is on QFP type chip
The problem is you need to be a skilled technician to find bad parts, you can't just poke with DMM and find it. What you outlined could work, possibly, if it's something that simple, which it's almost always not. And you can't trace what goes where without schematic and or boardview, due to multi-layer PCB (usually 6-8 layer) and you can only see trace on top or bottom layer, what you think may be from one item could be an entirely different trace from something on other side of board or back side of board etc
I do not help for $$, I mean, that's not why I help I help users when I can, because I enjoy helping, that is all I will continue to help, but sadly it's not looking good thus far
Mosfet could be blown, or could be that way by default, hard to say. I doubt anything blew out during a BIOS settings change, most likely the issue here is something wrong in the EC FW, which we'll never be able to fix
Sorry, I can't download 151MB of images, please resize those to maybe half or less of their original resolution.
Colibri/ASProgrammer will both detect the chip, detection is only about lucky perfect physical connection, all software/versions will read "something" from chip once properly connected. That is Gigadevice GD25LQ80 - I looked at can only say this does not look corrupted in a general sense, that's all I can do here without comparison of dump from exact model on exact same BIOS version This is 1MB chip, you dumped with 16MB size selected, so this is invalid dump (1MB repeated 16 times ) I cut one out, but if you want proper dump on your end and don't know how to do that, redump with 8Mbit/1MB selected This is RTX 2070 vBIOS
If worse comes to worse, you can request BIOS/EC FW dump from paid site like Vinafix.com, and they will get for you if they do not have already. I think you can join for free, make a thread, discuss/request etc, and then once they provide the files you have to pay $3 for one day access or maybe $5, I can't remember But, EC/KBC FW will only help if you can find and read/write to the chip that contains this FW. Sometimes you cannot, except via KB ribbon cable, or remove and program in programmer that can handle that kind of chip If it is on QFP package, this is Quad Flat Package, and can be 16-64-128 connections, like WSON only worse. It's the kind of chips you see with tons of tiny connections all around all four sides. Ideally this is programmed through cable, it should not be removed/replaced for programming
Please don't send PM's for help on BIOS edits, I can't help with BIOS in PM's. Please make a thread and I will try to help as soon as I can - thanks! If you appreciate my efforts and are willing to donate to help improve my hardware, gift cards work for me (Amazn, NuEgg, eBa) - send me a PM I view the forum like this, please bump your thread 1x every 24-48 hours if no reply
Zitat von Lost_N_BIOS im Beitrag #23@dglt - Ask dud2002 why ME FW does not match in original BIOS you sent him and mod BIOS he sent back to you.
i will send him an email now and ask why, i will update post with his answer after i hear back (usually quick response)
i just checked the link i provided him with the original dump (software, not ch431a) made and i think it's the one i already provided but maybe im mistaken. https://share.unixfy.net/90o6wt8d.rar
in order to clarify i will list the order of events in order.
1. request bios mod, began talks with dudu and he had me run the bios backup tool (FPT?). 2. ran the tool which dumped a compressed archive on the desktop, then provided dudu a link to that dump (the link i posted above in this post) 3. dudu told me the only way to unlock my bios was with an SPI programmer so i ordered one, took a couple days to arrive. 4. in those 2 days of waiting for the programmer i was testing different VBIOS using NVFLASH from models that have the 115w power limit, i backed up my original before doing anything. 5. those vbios would only work in hybrid/optimus mode. when i switched to discrete mode the laptop booted but screen remained black. 6. to recover from the black screen issue, dudu had me use the SPI programmer to dump the bios chip and send him the dump. this is that dump: https://share.unixfy.net/invalid.bin 7. he sent back this for me to flash, https://share.unixfy.net/invalid.bin after flashing it i was able to boot again, i checked and the vbios i flashed were still there so i flashed my original VBIOS using NVFLASH. at this point the laptop was fully functional, i tested both hybrid and discrete mode and everything was working 100%. 8. shortly after making sure my laptop was 100% working, he sent me the modded bios https://share.unixfy.net/invalid.bin which i flashed and was able to boot from. 9. in bios advanced settings, i enabled XTU interface and i also changed the ram multiplier from 11 (2933mhz) to 12(3200mhz) since the ram that comes pre-installed is 3200mhz ram. 10. after save/apply settings, i only got a black screen. dudu instructed me to re-flash the modded bios in order to reset the changes i made but then the SPI programmer would not detect the chip any longer and i tried many many times. this turned out to be the SPI programmer going bad. 11. although i could not write to the chip or detect it properly i was able to manually set the correct chip type and i did a dump of the chip. https://share.unixfy.net/invalid.bin 12. after many hours of not getting the programmer to work, i went and ordered another. when it arrived i flashed the modded bios back on to the chip but the laptop would not post. 13. after not being able to fix the issue and dudu does not know what is wrong, and so i come here and ask for your help which i wish i had asked for in the first place
Zitat von Lost_N_BIOS im Beitrag #23I do not help for $$, I mean, that\'s not why I help
i know, i can tell from the other threads on this forum that you help regardless of payment and thats awesome. since my problem seems to be a little more involved i just thought it would be appropriate to make sure you knew i can appreciate the time/skill involved for which you should be compensated for, especially if the help im asking for is more time consuming. this is a brand new laptop less than a month old, and it will be a long time before i'm able to afford a new one so if your able to get me up and running again then an offer of $75-$100 is money well spent. either way, thank you very much and your help, it is very much appreciated.
Zitat von Lost_N_BIOS im Beitrag #23you can\'t trace what goes where without schematic and or boardview
is there any way of obtaining these board schematics or is it very unlikely?
Zitat von Lost_N_BIOS im Beitrag #23Sorry, I can\'t download 151MB of images,
ok, i'll remove some and see if i can get them compressed even further
EDIT #1: some key images, first 2 are of the back side. the third is the bios chip on the front side of motherboard.
EDIT #2: @LOST_N_BIOS heard back from dudu, he says its impossible since he used the dump i provided. i sent him links to each file in the order we traded them back and forth but i dont think he checked them. he is also telling me that the other SOIC8 chip labelled "AH2007" is the EC Firmware chip. he is a man a very few words and leaves a lot unexplained, i think there is a bit of a language barrier making things a little more difficult.
EDIT #3:
Zitat von Lost_N_BIOS im Beitrag #23If worse comes to worse, you can request BIOS/EC FW dump from paid site like Vinafix.com, and they will get for you if they do not have already.
i had to pay for access but thats totally fine with me, i'm looking for where i create the request right now.
is it possible that both you and dudu are correct and that maybe that "AH2007" SOIC8 chip holds both the EC FW as well as the VBIOS?
@Lost_N_BIOS i did another dump of the AH2007 chip in the correct size i believe. i have a request in for schematics and for EC FW over at vinafix.com but no response on the EC FW yet. https://share.unixfy.net/ah2007-dump.bin
@dglt - Yes, I already have the above linked FPT dumps from you, those are not the files I was asking about when I gave the MD5 checksums above. Please send me files from 6-8 in one single zip, with names that specify what they are or put in folders with description etc.
The main thing I was asking about, from what you sent me, I still have same question. Unless you sent me wrong file, something he didn't modify for you and send right back, or part of what you describe above is inbetween what you sent me originally and what you sent me as the mod he sent back to you. original-bios-dump-from-chip = MD5 >> FA3B0309A4EB49B41B2FD9286F71236A modded-version-of-original = MD5 >> 05C8C2DA80213929FE7CD3D22DDB7A06
I assumed for the menu unlock, the above was what you sent him, and this was BIOS in working state Then he sent back the mod BIOS above, and this was what bricked, or bricked after you changed some setting etc. These two files are what my ME FW questions at #23 are about, and then my further findings/thoughts.
Seems like you need to clarify with him, what file he used to send you back mod BIOS at #8, which I assume is the file I asked about above (modded-version-of-original = MD5 >> 05C8C2DA80213929FE7CD3D22DDB7A06) I want to see the exact file he edited, that was in known working state, to create the above file. This is not a file you've sent me
Yes, very sorry you didn't ask me to help you with the mod BIOS from the get-go, we possibly would not be in this situation. However, either of the changes you mention could brick BIOS, well not so much memory one but that can cause you to be in soft-brick state where you can't get in BIOS or clear CMOS, but re-program would fix that. XTU change in BIOS, I do not know if this also changes something in EC/KBC FW or not, so I couldn't comment to much on that
You can try to find schematic and or boardview in Google, sometimes you can find for free, other times at paid sites. You'll have to search for exact model + Boardview or Schematic, and then also with model of motherboard + schematic or boardview The site I mentioned above for trying to request a dump, can also usually get schematic and boardview files, ask for all that at once + BIOS/EC FW. Then wait until they reply/add the files to site, before you pay to join and download stuff.
I'd prefer non-cropped images, I mean, don't crop down to any single chip, I want to be abel to see both sides of the board. Two images is fine, 2-4K would be OK for two images, put in max compressed zip.
As to the AH2007 chip, please dump that again, twice, once using 1MB and once using 512MB. I think this is same vBIOS twice, in the 1MB cut I made, from the 16MB dump you sent, but I need to see 512kb dump first to be sure, since I'm not super familiar with Nvidia headers, footers, signature files etc. Due to that, until I see a correct sized dump and then a 512kb dump, I can't be sure if what I see at end of my 1MB cut is part of the vBIOS, or possibly something else. Thanks for above dump, sorry, I didn't see that until i already typed above. This matches what I already cut from the 16MB you sent, can you please now dump 512KB from there too
@Sylar76 - Can you look at vBIOS dump at post #25, is this just duplicated 512KB, or smaller, vBIOS, duplicated + header/signature at end, or is there other non-vBIOS related data in there? Thanks for your time poking around for us
Please don't send PM's for help on BIOS edits, I can't help with BIOS in PM's. Please make a thread and I will try to help as soon as I can - thanks! If you appreciate my efforts and are willing to donate to help improve my hardware, gift cards work for me (Amazn, NuEgg, eBa) - send me a PM I view the forum like this, please bump your thread 1x every 24-48 hours if no reply
Chrome and windows won't let me download or run uniextract161, claims it's a virus? Could the mirror I was linked be compromised or should I just ignore the warnings?
RE: dglt. Do you need any files from me?
edit: Will try to extract from temp
edit2: Is there a way to make sure my laptop isn't fubared along the way? Mitigate risk? I'm a bit nervous after reading the Saga of the 17 inch dead Legion. ---------------------
@Lost_N_BIOS Ok, I'm struggling with the innosetup. I've never felt more useless in my computer life (regular life I'm way worse, so no problem there).
I've opened the bios exe in inno setup compiler, gotten a lot of strange characters and checked my temp folder. Can't see anything there.
@gentlemantroll - Do you still need link to uniextrat161, I can upload for you, or you can ignore (this link is OK, it's from the creator of the tool - https://www.legroom.net/files/software/a...iextract161.exe) - You only need this if you plan to extract or make edits yourself I did not make the BIOS that created the fiasco you see above, so you should not worry However, please read what he did/changed in BIOS, so you don't make the same mistake he did If you use XTU now, I suggest you reset it to default and then uninstall, since you can make all changes there in BIOS anyway. If you do not use XTU now, then do not mess with XTU stuff in BIOS, ignore it
On INNOExtract, you run the exe from CMD Prompt at that folders location, and then files are extracted to a new folder right there in the Inno folder. Example below of extraction on this BIOS
Anyway, none of this is useful to you for BIOS unlocking. Please see post #5 as mentioned and do that stuff, then we can see if you can flash in mod BIOS on this model without flash programmer.
Please don't send PM's for help on BIOS edits, I can't help with BIOS in PM's. Please make a thread and I will try to help as soon as I can - thanks! If you appreciate my efforts and are willing to donate to help improve my hardware, gift cards work for me (Amazn, NuEgg, eBa) - send me a PM I view the forum like this, please bump your thread 1x every 24-48 hours if no reply
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Mon Sep 14, 2020 10:58 pm
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. joking aside though im not a professional but i know i can do whats needed, if i can find the problematic component i can order another and i have no concerns about soldering which i've done plenty of times in the past. 
) I cut one out, but if you want proper dump on your end and don't know how to do that, redump with 8Mbit/1MB selected
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