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#76 RE: [GUIDE] The Beginners Guide to Using a CH341A SPI Programmer/Flasher (With Pictures!) by Lost_N_BIOS 26.08.2019 09:54

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@Rowebo - Usually, as practice you should start, never program stock BIOS, maybe only as a last resort or as a quick test or quick get up and running so you can gather info etc.
Many stock BIOS are only partial BIOS upgrades, and many are inside capsules, or have capsules inside them you don't want to program in.

I can't help you with flashrom or Linux, this can easily be done on windows though, if you are a windows user? Hopefully your dump is OK, please upload it for me to look at.

Do you want a link to the windows guide and windows software, it's much easier? For next time I mean

If you want NVME Mod BIOS, let me know I can make you one with latest BIOS, then you can instant flash it in

* Side question, since I am helping someone else recover this exact same board. After you programmed in that stock BIOS, does your LAN (Ethernet) still function, correct MAC ID and can connect to internet?

#77 RE: [GUIDE] The Beginners Guide to Using a CH341A SPI Programmer/Flasher (With Pictures!) by SirPanda 16.09.2019 22:26

Hello guys,
I have the CH341A programmer because I want to edit my GPU PCI ID. I tried to copy the Vbios of my former GPU with the correct CPI ID into the new one, it seemed to have work, but the PCI ID didn't change. what should I do? thank you

#78 RE: [GUIDE] The Beginners Guide to Using a CH341A SPI Programmer/Flasher (With Pictures!) by Lost_N_BIOS 17.09.2019 07:32

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@SirPanda - maybe you didn't change it all the correct places, or maybe what you are looking at this ID in to check, isn't pulling the info from the vBIOS itself but the BIOS SMI or other NVRAM data etc.

#79 RE: [GUIDE] The Beginners Guide to Using a CH341A SPI Programmer/Flasher (With Pictures!) by SirPanda 17.09.2019 08:54

Okay, so how can I be sure if I flashed it correctly ? All i did was earase and then copy the Vbios I had from the previous card, expecting that all would be working well.
Here is the pdf o the chip : https://www.winbond.com/resource-files/w...2018%20sfdp.pdf

Starting at page 19-20 there are instructions to enter manufacturer and device ID, and I really think this is what I'm looking for here.

But I'm no expert AT ALL on that matter, so I'm wondering if I need a special software with specific command to access and edit these data in the chip.

#80 RE: [GUIDE] The Beginners Guide to Using a CH341A SPI Programmer/Flasher (With Pictures!) by iPablo 17.09.2019 17:53

Hello and thanks for this guide.
I'm a bit stuck reprogramming a spi from a haier tv. It is a GigaDevice flash chip "GD25Q64(B)" but I don't know which <new bios name> I have to add. The code :
sudo flashrom --programmer ch341a_spi -w <new bios name>
Please look the picture fir more information.
Thanks!

#81 Failed to read the BIOS Chip from a MSI motherboard A55M-P33 using the CH341A programmer, any suggestions? by cyanno 02.10.2019 22:07

I tried to read the BIOS chip from the mainboard MSI A55M-P33 but failed.

This was done:
- driver installed (Win7) and interface accepted as "USB-EPP/I2C… CH341A"
- assembled the CH341A programmer as described in:"https://www.win-raid.com/t4287f16-GUIDE-The-Beginners-Guide-to-Using-a-CH-A-SPI-Programmer-Flasher-With-Pictures.html#msg69146"
- as the BIOS chip (uP0104P) is soldered, a clip was used.
- using UEFITOOL.exe (UBU_V1_69_17_2) -> File / Search

No positive result as the search function in the UEFITOOL was not activated. I tried many times to replace the clip, even removed some plastic touching the condensator next to the bios chip but all in vain.
Now I do not know how to continue. Can it be that the mainboard needs a running condition or could there be other reasons?

Thanks for all suggestions,

Cyanno

ps. attached 2 fotos mainboard and programmer

edit: forgot to mention, I also tried the CH341A Programmer -> Detect und Read but also negative. See attached screenshot.

edit: a last trial was done using a linux based computer. At least here I got a message that the flash chip wasn´t found (see attached ss). I accept when _haru is mentioning the SOIC8 clip is extremely difficult regarding a stable connection, but in this case more than 30 times trying and never get even one connection? Another possibility is a non functioning CH341A programmer. Therefore I will first order a new one, this of course will take a few weeks and at arriving of the new programmer start another try!

#82 RE: Failed to read the BIOS Chip from a MSI motherboard A55M-P33 using the CH341A programmer, any suggestions? by Fernando 03.10.2019 10:47

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@cyanno:
Welcome to the Win-RAID Forum!
To enhance your chances to get your problem solved, I have moved your request into this already existing thread. Addtitionally you may do a look into the start post of >this< thread.
In addition to _haru (the Opener of this thread) our experts regarding your problem are the Forum members CodeRush and Lost_N_BIOS. If you shouldn't get support very soon, a directly addressed request to these persons may be helpful.
Good luck!
Dieter (alias Fernando)

#83 RE: Failed to read the BIOS Chip from a MSI motherboard A55M-P33 using the CH341A programmer, any suggestions? by Fernando 04.10.2019 13:11

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@cyanno:
Unfortunately you didn't yet get any help from a BIOS modding expert. Even our usually daily present Guru Lost_N_BIOS hasn't been online since 5 days....
AFAIK it is not possible to open the content of the BIOS chip directly via CH341A programmer. If you want to know or to save its content, you have to dump it as first step. Then you can try to open the BIOS Region (which is only a part of it) by using a tool like the UEFITool.
By the way: the latest UEFITool version is v0.26.0.

#84 RE: Failed to read the BIOS Chip from a MSI motherboard A55M-P33 using the CH341A programmer, any suggestions? by cyanno 04.10.2019 13:21

@Fernando:
thanks for your answer. But to my knowledge: in this case dumping means extracting the content of the chip in a file? But if there is no connection to the chip, as you can see in my screenshot, a dumping cannot take place. Is this correct?

#85 RE: Failed to read the BIOS Chip from a MSI motherboard A55M-P33 using the CH341A programmer, any suggestions? by Fernando 04.10.2019 14:07

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@cyanno:
Yes, the BIOS chip needs power. Otherwise its data cannot be dumped.
Maybe >this< article will help you.
Anyway I recommend to wait for @Lost_N_BIOS.

#86 RE: Failed to read the BIOS Chip from a MSI motherboard A55M-P33 using the CH341A programmer, any suggestions? by cyanno 04.10.2019 14:22

@Fernando
I believe waiting is a loss of time... my pc is not starting at all, not even in BIOS. Possible I bricked my chip with the many times I connected the clip. Not to forget, the CMOS batterie was always connected, so a current on the wrong pin and thats it...

We can close this thread and I will now order a new mainboard!

Thanks and best regards,

cyanno

#87 RE: Failed to read the BIOS Chip from a MSI motherboard A55M-P33 using the CH341A programmer, any suggestions? by Fernando 04.10.2019 14:40

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@cyanno:
If just the content of your mainboard's BIOS Chip has been bricked, there is no need to buy a new mainboard.
You should be able to flash the latest original BIOS Region by using the CH341A Programmer.

#88 RE: Failed to read the BIOS Chip from a MSI motherboard A55M-P33 using the CH341A programmer, any suggestions? by cyanno 04.10.2019 15:16

@Fernando,
yes, you are right. Provided that the connection to the BIOS Chip is secured. And this connection was not there until now. So the question is why... is it while the CMOS battery was connected during my trias or do I need full current on the motherboard? What should be the correct procedure for the dumping process? Could you see my latest picture using Linux where the linux programm stated that no connection to the chip was etablished?

#89 RE: Failed to read the BIOS Chip from a MSI motherboard A55M-P33 using the CH341A programmer, any suggestions? by _haru 04.10.2019 15:49

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@cyanno Use Flashrom on Linux as in the guide and see if that works. Flashrom will also be more specific about what the issue is (connection etc).

#90 RE: Failed to read the BIOS Chip from a MSI motherboard A55M-P33 using the CH341A programmer, any suggestions? by cyanno 04.10.2019 16:00

@_haru,
yes I used Flashrom, result attached. There is no connection to the BIOS Chip. I already mentioned that I tried many times (<30 times) and never got a positive response. Everytime I replaced the clip und then restartet the programm.
I have now dissembled the pc and wanted to desolder the BIOS chip and make a direct wiring between the BIOS chip and the CH341A. By doing so, do I need an additional voltage? And if yes, how? Would be really pleased for an answer.

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