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Using CH341a to recover a mobo I bricked - LFC
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- Опубликовано: 30 июл 2024
- Now we've modded our CH341a for a proper 3.3v pullup on its data lines, let's break something and then fix it!
AsProgrammer 2.1:
drive.google.com/file/d/1KrYy...
One Transistor CH341a Breakdown with driver links:
www.onetransistor.eu/2017/08/...
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you absolute madlad!
This is the only ch341a tutorial video which includes the part where you need to install the actual bios file for your own personal device. They always skip that part and make it seem like the programmer just creates the bios data itself. Thank you for clarifying.
Because they are not step by step guides but just highlights of particular problems. Needless to say that everybody who buys a programmer has two specific purposes in mind, either he is a user and he wants to flash a particular file into a device that he uses, or is a designer of some kind of homegrown PCB with microcontroller that needs to read data from SPI Flash, either one of use cases cannot lead to you owning a programmer without composing yourself or downloading a file of data you want to flash.
"I have this REALLY NICE computer, I am updating the bios, and OOPS, I pulled the power cord!" 🤣🤣🤣.
Total ballsy move!!! Much respect on the recovery. 🙂
2 years ago I got SFF PC with cheap motherboard which was showing black screen after restart. I decided to flash the BIOS but because of horrible web page and confusing versioning I flashed the wrong one and I bricked the machine. So I asked my local repair shops but none was interested in fixing it. Then I found your channel and instantly I was like: "why my local shops are not like this dude?". After watching some videos I bought this programmer for £5 and flashed the BIOS using the clip without desoldering the chip. Black screen issue was solved. So far I have fixed 2 machines with it so I think it is money well spent. Regards.
Link to the clip u bought please...I accidentally bricked one of my machines
Love watching all the adventurous things you do...great stuff buddy :D
I love your vids. I think perhaps the best aspect is that you do show those little mistakes that I am sure all people make but don't necessarily like others to see - but the point is that we viewers can learn from those mistakes.
Excellent tutorial, especially given everything that could make reprogramming difficult happened in this example. Great, useful content!!
Great stuff Adam.broke leg off the ic while doing the mod .but that actually worked out for the best in the end,managed to have just enough of broken leg to solder to so no tape insulation required.now to fix my bricked 78LMT.Just for the extra skill set.Thanks again awesome vid.
Even though the average joe would never do this we still love the information and the way you make your videos. Much love keep them coming!
This is the first video I watch from you, it refreshing, informative and seems to be honest! The tinkering and specially the kind of problems 99% of “us” whom will try this our self is just what “we” need to get a complete picture. So keep on select Murphy products and boards to show you great skills. The problems (and solutions 😎) make it great content, thanks for releasing!
This was the most helpful video on bios chip programming I have ever watched!!! Holy crap you answered every question that I had and more!! Thank you so much, this has made my life a lot easier:) See ya next time!!
and also, you should have a million + subscribers with the kind of knowledge you're throwing out. I feel like you might be one of the best youtubers at being informative and clear with explanations. Really, you rock:)
Fascinating.. can't help but admire your work
This was fantastic!
I honestly think seeing you hit and overcome multiple unexpected complications was actually much better than a very simple job, it shows people like me, who are going to be trying to do something like this for the first time, that various unexpected issues can and will crop up along the way, and that you will have to do research outside of official documentation to find answers.
+ tulsatrash --
The fact that complications were encountered served as an illustration of
difficulties that can manifest themself when undertaking such a process -
and serve as a warning to those attempting this for the first time.
It is not always as straightforward as it appears and is often deemed to be.
Unexpected difficulties can arise that can frustrate and confuse an
inexperienced user.
In such cases some logical thinking - time - patience - investigation
and ingenuity are required.
High-end professional/commercial programmers are frighteningly expensive -
a complete setup would easily amount to $1500 or slightly higher.
The important thing to remember is NOT to rush - and one must train the
brain to always be paying attention to detail.
People are not particularly good at doing that - in fact - people are
programmed to NOT pay attention to detail.
Society is feeding the brain with so much crap data that the brain
becomes overwhelmed with processing useless information --
That is why people speak FAST - fail to concentrate and fail to focus on
what is in front of them and only half listen to what is being said -
then filling in the gaps with their own experience -- That method never
works - and will often lead to disaster.
So here is a question:
Some months have 31 days
Some months have 30 days
How many months have 29 days ?
COMMENT REFERENCE: @tulsatrash -- 2022123051110
Absolutely astounding,I think I understand half of your explanation,but it is still mind blowing.Wish I was younger and had more time to get into actions you demonstrate.One thing which surprises me ( hugely) is that you can desolder/solder the BIOS chip without any damage to it.Lead free solder seems to be not very forgiving.Top notch clip
Fro those watchi9ng this a couple of years later. I got a CH341APROG V1.7 which has a slide switch to select 1.8,2.5,3.3 or 5V. Worked great for me on a 1.8 V bios chip.
I like you vids a lot, they are very educational and I learned a lot, even if I can't fix stuff to the level you are doing, I know now that it is possible and a professional can Fix stuff, instead of buying new and creating waste.
Thanks for the amazing tutorial. There are two points I would like to add:
1. In some situations, USB BIOS flashback would not work as well. I had my ASUS Maximus VIII Ranger (Z170) with corrupted ME firmware (Debug code 00) and USB BIOS flashback could not bring it back to life. Basically, some regions like the ME (Management Engine), FD (Firmware Descriptor) regions are locked and hence USB flashback would not flash those regions. CH341A saved me. Later on, I modded the BIOS of the board as well with the CH341A and now it runs a Coffee Lake i5 9600K CPU @ 5.1 GHz.
2. The procedure you followed is nearly perfect. Why do I say this? Because you are going to lose board specific data like the serial number, UUID, MAC address, DTS audio license, Windows license etc. To overcome that, you will need to use something like FD44Editor. And that is where the old BIOS dump will come in exceptionally handy. Since those data are stored in the FD region and since normal BIOS update procedure does not write on that region, there is a very high probability that you can fetch those from the corrupted BIOS file using FD44Editor. Once done, using FD44Editor again, you can inject the board specific data and prepare the final BIOS file which would keep the board in its original state.
Just wanted to add these points to the knowledge base. :)
Very true and been done successfully by others.
Thank you for the addition! What will the MAC address be if you don’t do this? All zeroes?
@@geraldh.8047 not sure about MAC, but I know the other alternative empty Hex buffer of FFFF is 0000 are the same.
@@geraldh.8047 It really depends on what the manufacturer provided as dummy MAC in the BIOS. For my ASUS Maximus VIII Ranger, it was 88-88-88-88-87-88.
I have the ASUS Maximus VII Ranger with the 00 error. Do you have the GD25B64BP1G chip, and what was the chip selection in the software - the CH341 supported chip list doesn't directly specify my chip -. Thanks.
What also makes the CH341A a bad product, especially for beginners (but non-beginner wouldn't use it anyway), is that it doesn't really care about read errors. TL866II, and RT809F to some extent, can detect bad pin contact before even attempting to do anything, and during read they will often clearly error out if something goes wrong. Not a 100% guarantee that what you read is what's stored on the chip but it's a huge help.
I've seen way too many people losing the original content because the read operation went wrong. (and a backup *is always* useful, especially on laptops) And they post some random dump full of 0xFF without noticing (tip: if you zip the file and it's only a few kB or less, something went wrong).
This is a great info about zipping the dump file to know the real size, thank you.
@@lezyhun I had to use uefitool to successfully write my bios, it was a few kb's too big
I can totally recommend the MiniPro (TL866) and the XGecu TL866II. Very versatile and reliable programmers!
I also own a RT809H for the more complicated stuff (f.e. Flash recovery)
Jes i think its the better Way. This "programmer" is only a pcb with a USB Uart on it
If you are going for a programmer like this you might want to go out for the XGecu T56, it's the successor to the TL866II plus. The big benefit is that it seems to support programming voltages up to 25V which was one of the problems with the TL866II plus (which could only go to 18V and thus failed to do some older style stuff that required 21V).
It supports far more chips than the TL866II plus as a result.
Thank you that was amazing. I didn't know if a bricked BIOS could be repaired. Nice one mate
You are an amazing guy, I'd never attempt what you do despite building PC's for fun over 30 years or so. Nobody could question your skills and experience.
No'body' could because ALL the Bodies are buried in the cemetery.
You have not yet learned that a BODY is a DEAD entity
The Body requires 'One soul" to give it life.
Thus there is a distinct difference in meaning between Some'one' and some'body'
Understand that the number 'One' is a cardinal number.
One is unique
One is irreplaceable
One is alive
There has NEVER been 'One' like you - before you were born
and there will NEVE be One like you after you die
-- Are you getting the point yet.
How you did not learn that at school - or have been able to figure it out
for yourself is astounding.
The youngest students I taught were age 7 and they know the difference.
Now go and teach it to the uneducated ignorant masses.
The school you attend did not do you any favors and failed to teach
you many important things -- All that the school manufactured was ignorance.
The final three years of my teaching career was working as a substitute
teacher- working in numerous schools for a short period of time --
this was a wonderful opportunity to work with very young students who
had not yet been ZOMBIE-fied
and dumbed -down -- All babies that are born - are born genius -
Society dumbs them down to make them fit into a corrupt obedient society
accepting Authority as truth and becoming faithful disciples of the
CORPORATE GOVERNMENT religion --
Now explain what is the CORPORATE GOVERNMENT religion and where are the
places of worship - and who are the priests and high priests ?
COMMENT REFERENCE: @kramsniggah4333..2022123052330
I'm glad you kept hitting problems. Far too many you tube how to videos say 'plug this in here, download that file, click this and it works'. And it rarely does leaving the eager viewer up a certain creek without any paddles. Thank you.
if you think it wasn't simple, you definitely made it look easy. Great work and luv your channel
like man i literally knew exactly what this video was about and my heart still dropped though the floor when you yanked the power omg LOL
outstandig explanation ! 👍 just a quick tip graham.. had lot's of trouble with the clip too.. but if you take a close look at it, you can see there is a thin plastic padding on top of the pins which essentially grabs onto the pins of the bios chip, making no connection.. you need to file that layer / padding away until the bare pins have no padding anymore
I'm definitely not an expert, but I suspect it's the length of the cables that determines the efficacy of the SOP clips. I was looking to Libreboot a laptop of mine, and on the website it mentioned that there's sometimes an issue using dupont cables longer than 10 cm. If your clip is anything like the ones I have, they're all 30+ cm.
Thanks so much for these wonderful videos. You have a real talent for teaching technical skills. You're so calm an relaxed, and it puts me at ease whenever I'm learning something new, and it gives me the confidence I need to actually attempt doing it. I've learned so much from you, and it's helped to spark a new hobby/passion of mine. I even purchased an RT809F programmer because of the video you posted showing us how to use it. It's too bad there wasn't an affiliate link, because I would have gladly used it. If you're taking requests, I'd love to see some more videos of you using that device.
Always good to know there are options to repair a bricked motherboard. instead of just buying another one..
I hope next time you can also venture out to tablets and phones.. :)
Great video, thank you so much for creating and sharing your knowledge. I'm grateful to you
Surprisingly you are so generous! You tried to share us what you have all! Thanks!
You are incorrect.
Adamant DID NOT ""TRY"" - to share anything
He ACTUALLY DID share some of his knowledge and experience with you.
There is NO TRY about it.
You should learn what the word actually means - and that there is NO
success in trying -- success comes from the DOING
Think about that when you are next constipated
Greetings from Mexico City. I didn´t expect that you use the 1.8v adapter, your video is better than a tutorial, thx too much.
I am glad you posted this with all miss haps. It was like what happens every time I try to fix something.😁. can’t find the data sheet, need adapter, need a different program, you have to stand on your head and hold the wire just right to get it to work. Lol
awesome job as usual with good explanation. love it mate... :D
Thank you. My msi a320m-a pro motherboard works again. I had to puchase a 1.8v 25u12873f $5.00 chip trom China after getting a 15 dollar 3.3v wrong item from San Jose. I have improved with soldering as well. Your video gave me the confidence to do this. Thank you.
*GASP* O.O Thanks for the video, looks like I need to buy a mobo with bios flashback.
I ve warched all the video and all i say good job man you just gave me all i want thank u
Thanks a lot for the SF DL link, Graham. As you say, it is very difficult to find out this kind of resources. I also own an SVOD3, with the ZIF 128-pin EC adapters. But I love the tiny 341.
You are one of perhaps a handful of computer technicians that can re-program a BIOS! Kudos.
O....K, where did you find that information, the BBC
@@user-wu1dv6jk5s I have seen many tech in action, and he is the only one that has ever re-programmed a BIOS chip. Everyone else says to send it back the manufacturer. BTW this is meant to be a compliment.
@@SuperFredAZIt was just a bit goofy. There's lots of people doing this. That's why this is a product.😅
Having done this sort of thing back in the late '70's and early '80's and requiring to jumper to a break-out board with specialized components to tell the chip to connect the cut-short programming pins TO the memory writing components by use of a fixed voltage... using a lego kit sounds relaxing. Add in the light source and legos sounds like an incredibly joyful way to do it.
And all of this is precisely why I *only* buy Asus mainboards that have pullable chips. I have absolutely no problem with paying a $1.50 extra for a motherboard that I can pull _one or both_ of the CMOS chips out of and take some place to pay $5 to have reprogrammed.
I suppose I was lucky last week when I managed to clip onto my BIOS chip and reflash all while (unknown to me) supplying chip with 5V rather than 3.3V. End result was a working laptop so I am very pleased! Thanks for sharing all this info so I can do it properly next time! Valuable!
You were not lucky, voltage drops during flashing from 5v to 3,3v. You have videos on yt about it
Adam really enjoy your channel. You really enjoy what your doing. Not many people can say that!
You have not yet learned the difference in meaning between Your and you are.
Enroll yourself in school to learn correct English -
an undertake an extensive reading program to educate yourself.
You are fundamentally illiterate when you cannot master elementary English
You are one mad dude, deliberately bricking a motherboard. (Love It)
I have an TL866 II Plus, I can highly recommend it, although when downloading the software, you have to read Chinese, use a translator or even better do what I do and guess.
The work you do is Brilliant wow 👍👍
That was awesome man!! Thanks for sharing!!
LOL!! I lost you at the point where you pulled the plug on the machine but I can see how useful it would be to someone who is more tech-savvy than me😉
I always feel like im in the 90s with your videos lol but I love em either way!!
Very informative video thanks, I think that was the best chip to demo 👍👍
Thank you for helpful video. I saw the one where you voltage modded the ch341a " Black version" programmer too & I was unaware of the higher voltage on program pin ! Actually for everybody to know, there are 2 versions of this out there one called older version and one newer version & I have the former. I used AX programmer which appears better than CH341 programmer you have used here but latest is NeoProgrammer at github (it's based in AX prgmr code BTW) with huge array of chips in its database and is being currently maintained. it shows pic of how to place the chip in the ch341a board ZIF socket too! BTW I HAVE used the clip in jaws successfully many times, the main spring in it has to be replaced with one that exerts gentler pressure and i did this! I Can send a pic. Also one copper contact in the jaws was slightly bent originally and i straightened it !! Use a magnifier & tweezer for this delicate work at jaws tip which must be aligned in its tiny recess in jaw plastic. Of course we need a few tries on any chip on motherboard before it sits correctly and each try we need to run "detect chip" ! usually if jaws sit right on the chip it detects chip correctly after few tries (keep jaws perfectly vertical over the chip!) by reading the chip ID with neo programmer or AX too , repeat jaw (re) placement until it reads correctly!.
Need advice about I faced a problem a year ago with my Lenovo T450 laptop where i programmed the bios to allow it to use lenovo battery which suddenly started giving msgs like "battery is non lenovo , it won't charge, use lenovo approved battery", after the bios mod which i got from "Molfar" (bios hacker expert). after this bios flash it was ok although a side effect was that bios menu wouldn't allow any changes , yet laptop was usable with win10 for a year i used it ok.. but Recently i got lot of keyboard errors and i decided it was due to bios that i modded and bought a lenovo battery supposed to be genuine with lenovo chip inside, & flashed bios with ch341a like before with original bios which i had saved before modding it. Now the laptop flashes its power light and keyboard 3 lights (fn key, caps lock, etc) but dosen't enter POST ! Any ext cd drive on its usb port, its power light also flash in synchronisation (4 sec one flash) i tried flashing bios and verify again, twice (verify is OK) but laptop doesn't start! any insight you might give? could the 5v on data output of my programmer have destroyed something in the mother board that "reads the bios chip" at startup? ( because i hadn't modded my programmer since i saw your video now only being unaware of this problem). btw my bios chip is 25Q128FV in levovo T450 laptop.
Great video, the issues you had showed what could go awry, but gave me enough confidence to go ahead and 'unbrick' my Asus X470 motherboard, which suffered a bad flash. It's up and running fine now. It's great to know I can downgrade the BIOS if necessary too. I got all the parts from eBay for less than £15. I cobbled together a ribbon connector for the Jtag pins from an old serial ribbon. The clip I got with my CH341A was frankly rubbish, hence plugging onto the Jtag was a much better way to do it.
Thank you very much for your explanation of letters L, Q, U on 25 series microchips beginning from W, I have written it down on the piece of paper that I have glued to my CH341 programmer, because an average engineer (not PC repairman) uses those things so really, that enough time might pass to umemorize important details. Do not assume that I haven't read the datasheet for my particular IC.
Great video .. good info on the ins and outs of bios flashing .. the only thing I would say was the throwaway comment that AM4 needs to die because the bios size was too large .. I'm very glad that AMD doesn't force you into buying another motherboard every fraking time you upgrade the CPU .. Just for the amount of E-Waste that this generates
It's Awesome that you recovered the bios chip and it works
enjoyed the video, very informative and entertaining
In the early 2000s i have made myself a completely self-build LPT1 flashing-cable for bios reflashing via JSPI1 connector for MSI boards, which i have still today. - I also have done many bios reflashing actions on asus and msi boards with an old raspberry pi 1 directly hooked up to the bios chip and the raspberry pi compatible software "flashrom". I remember last completely dead system i revived with flashrom on raspberry pi was an msi trident 3 arctic gaming pc, which came fully back to life after a gone wrong bios update attempt. Best regards from germany !
Excellent Info. Thank you.
Excellent video.
This was very informative. Thank you. I've just ordered a brand new Intel Core i5-13600kf and an ASUS Tuf Z690-Wireless DDR5 motherboard to plug it into, so I'm doing research to see how much trouble I'm in for assuming the BIOS needs an update to support the CPU, which it almost certainly does.
Thanks for this video!!!!! It helped me unbrick a gigabyte itx b350 board. I got the clips to work for me but I discovered the hard way that you NEED TO REMOVE the CPU for this to work. I don't actually know if it would have worked by just removing the battery but I suggest anyone trying this should remove the battery and cpu before attempting to flash.
why cant any of these other big well known Pc Hardware reviewers/ Techies that has like over millions of subs and views showcase some real world troubleshooting and problems like this one? because by far this guy and what he showed was actual real world Troubleshooting steps/fixes with NO video EDITs period. It shows that someone like this really actually lives up to what it truly means to problem solving and not rely upon the option of "Its bricked so just buy a new one" and then actually is trying to figure out the core root of the problem. Amazing video , he showed that He really actually cares about why your pc wont post or boot etc, and wont give you an excuse of "buy new one". Great and Amazing video 😁😎
leaning tower or bios adapters, I love it
Thanks! I just resurrected my MoBo right now thanks to your guide
I remember considerably older boards having removable chips. They would need some kind of puller but you would still get your chip out if you had one. If you were one of the unfortunate people who bricked the board you could order a chip with the BIOS already on it. That would have been a better choice for people like me but it is nice to know this kind of thing is doable at home. I just don't recommend everyone do it unless they at least watched it being done. A lot of things can go wrong.
I don't understand why people dislike videos like this, I mean he literally didn't insult or said anything bad about anything/anyone, and yet there is 8 dislike ? I mean did the poor test computer dislike the video ?
genius found on youtube. i love all of your videos. it helps a lot! =)
I like this presenter's warts and all demos.
Fantastic analogy
I have an ASRock motherboard, it has a socketed BIOS chip. It's real nice :-)
For SPI flashing, I use a BusPirate and a chip clip (it's not the best clip, but I've been able to get it working). For EPROMs, I really love my TL866II Plus (mine came with a whole bunch of adapters)!
Also, I had an issue with my board not POSTing, and ASRock mailed me a new BIOS chip! :-D
@ASRockGlobal Now that’s legit.
Great video
I use the Pomona 5250 SOIC8 test clip. Haven’t had any issues with it. They’re pricey (about $10-$20) but worth it.
Saved my PC. Thank youuuuu!!
06:42 -- I would suggest - and it is highly recommended to apply
some AMTECH NC-559-V2-TF Flux prior to DeDoldering - and for
the inexperienced - as a precaution - insulate any PLASTIC components
close by. KAPTON tape could be used for that purpose.
Erring on the side of caution would save tears before bed-time
Also - apply some AMTECH NC-559-V2-TF Flux when ReSoldering
components.
This ensures good-quality solder connections and maintains electrical
integrity. After Soldering - clean the area with a swab and some IPA
[ IsoPropyl Alcohol 98% ]
AVOID using ""Rubbing Alcohol "" which is highly diluted and contains 40% Water
Good luck everyone
5:30 I just used a $2 programmer at work, which came with a clip like that. Worked just fine. A little fiddling required to make proper contact, but it did the job.
Hey Adam, just a random thought - hope it doesn't get lost.
That grabbing clip, maybe shave down the point a bit - the extra plastic may be preventing 100% contact with the chip's pins!
thank you for your video , saved my motherboard 🎉🎉🎉🎉
Very nice video. I like it.
Excellent!
A proper analogy for 1:13 is instead of a torch you're using a laser and instead of the receiver receiving the signal they get blinded instead
Thanks for nice and clear demonstration. But I will buy you flux for next soldering video:D
Graham, would it be possible to determine the voltage of the BIOS chip by measuring the voltage coming to the chip on the mobo with the multimeter?
Yea that would work 👍
Yes
Very informative - wondering what the average cost for something like this could be?
I like to use NeoProgrammer for my CH341a . Seems to have a wide range of chip support.
Ebay clips works well if you are willing to repair them as soon as you receive them, to ensure proper contact. and minimal contact resistance.. Sometimes you may need to reflow the solder if an oxidation layer is causing issues. Probably around 30% of the clips will not work out of the box. Beyond that the $3 clips are pretty much the same as the $10 ones on ebay.
I have made a few videos on the CH341A using the clip, I managed to do about 4 before the clips wore and would not clip on or stay clipped, there are 8 pin clips on CPC for about £15. I also bought the CH341A GREEN with the voltage selector jumper.
Thanks you love youre video’s
I would just get the TL866II Plus , Covers 99% of your bases and just works.
Get all the adapters then you are covered including for 1.8v
I think it may have dropped in price, because I was sure the TL866II Plus was over £100, but a casual look around earlier this week showed that it's actually half that. I'm almost certainly going to pick one up at some point.
@@Adamant_IT Yeah prices have dropped and software is very easy to use plus covers just about every ic under the sun.
@@mspecjase And with an added bonus of being able to test logic IC's as well.
@Mr Guru guess it depends on your application I just repair pc’s/phones/tablets/gpu’s and find it perfect for my needs
@Mr Guru I just noticed the software he was using was not for the tl866ii plus and is version 6.7 current version is 11.3 , was his just the tl866 ?/
In the old days the BIOS chip was in a socket.
Not even that long ago. I have an h170 where it wouldn’t post. New bios was cake. Now it’s such a pain desoldering tiny chips.
i wish I'd known about this years ago lol
Hello
How Hot temp you yousing in the hot Station
There's a QFN8 to DIP8 adaptor with clip available on Aliexpress. Just a small time saver since you don't have to solder it to program. You might want to warn people that this won't work with systems from the OEM's like HP etc. Donor dumps are better for that, and best found on forums like Badcaps. Don't forget you need clean ME regions on dumps for Intel based boards.
asus rog usually have on board second bios chip :D but if they don't i have my tl 866 2 plus. very good video
Very cool content
You could probably patch the jtag connector. Very useful these builtin jtag or serial interfaces for reprogramming. Most boards have some points where you can solder up some wires for reprogramming; saves removing the chip.
It is much easier and safer to re3move the chip than
soldering wires onto delicate tracks.
Clearly you do not have sufficient knowledge nor the
valuable experience;
Your suggestion is high-risk
I just found your channel and I love the content. I have been troubleshooting an ASUS Z97-A board that doesn't post but the CPU and power LEDs/fans turn on. There also isn't power to the USB heads. I reflashed the BIOS but the result is the same. How likely could the PCH be the culprit?
you my man, are a freaking savage !!! lol that was impressive
Hello, I find your content very well delivered and easy to understand.
Thank you.
I have the ch341a and I'm in need of flashing a bios on my MSI GT70 mobo, as it was set with an administrative password by the previous owner, and they don't remember it.
How can I tell if I should use the 24 or 25 series slot?
I don't think I've ever cringed so hard in my life when you pulled that cable during the flash...balls of steel
He is as legit as pc technicians can get
very important information , also I knew that AMD AM4 had problems with 32 MB BIOS chips being to small , but 256 MB BIOS-chip = OMG
Mechanics have a saying: "every 30 min job is just a single broken bolt away from a 3 day trudge."... You proved that works for computers also,
Hello Graham. Have you tried flashrom?
Also I'm thinking about a double chip mod with a dip switch to switch the CS pin in the IC. So when I mod the BIOS and i mess up something i could just switch to the IC with good firmware in it by switching the CS pin.. do you think it will work?
A trick to anyone with this problem and who does not have a programmer is to unplug and remove everything with the cmos battery and then short the start pins for a hour it has saved me from a bad bios flash in the past.
Jikes! I'd always go for the connector!
Hi.
I use a pomona soic clip These cost around £40 on ebay but are the most reliable.