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Can you tell me how did you manage to read it, I have been struggling for months with two different CH341A - old one that has voltage problem and the new fixed one, different cables, adapters etc and still cannot dumb it, if you can share what type is your chip - mine for example is 16 pins and which exactly, what software aka where to download it most importantly, that would be helpful, thanks!
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Hi,
here are the steps that worked for me:
1- CH341A with SOP8 adapter for the 25series chips(bought on amazon) & SOP16 clip (bought on amazon). Check if the jumper on the CH341A is in "programmer mode" (jumper betweeen pin1-2)
2 - Check the pinout of the SOP16 clip with a multimeter to find out the PIN no 1 (set the multimeter in ohm measure or continuity)
3- Connect the SOP16 clip to the SOP8 adapter (i used dupont wires) to the corresponding pin:
8 PIN CH341 programmer -> 16 PIN SOP Testing Clip
1 -> 7 (CS)
2 -> 8 (MISO)
3 -> 9 (WP)
4 -> 10 (VSS)
5 -> 15 (MOSI)
6 -> 16 (SCK)
7 -> 1 (HOLD)
8 -> 2 (VCC)
Connect the SOP8 adapter to the CH341A. The 25 series pins are the 8's closest to the USB connector:
4 - Download from here https://github.com/YTEC-info/CH341A-Softwares/tree/main Neoprogrammer 2.1 (drivers and software)
5- Disconnect the power from the 400G6 PC. Connect the SOP16 clip to the GigaDevice chip on the motherboard (matching PIN no1 of the chip to the PIN no1 SOP16 clip. You can find out the PIN no1 of the chip checking the small cirle on the upper surface on it). I've tried with and without the CMOS battery connected with no difference.
6 - Open Neoprogrammer 2.1, check if the CH341A is selected in the "Hardware" menu. Click "Detect chip" (the button with the "?" icon) . If you got the IC not responding message, check the SOP116 clip positioning. The positioning of the clip is a little bit tricky... you have to try and retry (poistioning-detect clip and repeat)
7 - When Neoprogrammer find out the chip, after you click detect button, a yellow popup message appears with chip info's (GIGADEVICE GD25Q256....)
8 - Erase the CHIP (button with X icon). The led on the 400G6 start blinking 5 red- 7 White
9 - Open the BIN file and click the program button (the one with the blue arrwow icon) with this options: Write - Verify
10 - Disconnect the SOP16 clip
If you got error, try to reset CMOS following the HP procedure (disconnect all the power sources, disconnect the CMOS battery, press the power button multiple times and/or press for 25s the CMOSSW50 button on the motherboard)
If you got error again, try to repeat the erase-write process...
Hope this can help you!! Let me know if you got success
Attached FilesComment
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hello everyone
thank you very much for the steps raffa555, helped me a lot but unfortunately the tweezers did not work for me,
i buy both versions,the one with all the connections and the 16 to 8, luckily i ordered some mini tweezers as a last resource and it worked, i could extract the bios
can you help me to remove the password?, i bought without asking if had a password, i already tried rcunlocker but tells me "wrong chip"
thank you very much for your time
serial no. 8CC11026R5
product no. 359P8LS#ABMComment
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HP ProDesk 400 G6 Desktop Mini PChello everyone
thank you very much for the steps raffa555, helped me a lot but unfortunately the tweezers did not work for me,
i buy both versions,the one with all the connections and the 16 to 8, luckily i ordered some mini tweezers as a last resource and it worked, i could extract the bios
can you help me to remove the password?, i bought without asking if had a password, i already tried rcunlocker but tells me "wrong chip"
thank you very much for your time
serial no. 8CC11026R5
product no. 359P8LS#ABM
Serial_8CC11026R5
Sku_359P8LS#ABM
Build Id_20WWQ6CT601#SABM#DABM
Fearture byte_3E3X476J6S6b7B7J7M7Q7T7WaBapaqaubhcAdUdpdqfAfPk8mE.QF
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Mọi khoản quyên góp cho badcaps đều được hoan nghênh, hãy nhấp vào liên kết này để quyên góp. Cảm ơn tất cả những người ủng hộ----------------------------------------------------------------------------------------------------------------------------------------------------------------Comment
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it works!!!
thank you very much hoaca388 , after hours of trying to flash it and with errors, was achieved
I dont know how they do it, but they are the best!!Comment
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Model: Hp Prodesk 400 G6 SFF
Motherboard: L64712 or L49705-001 attach photo
Serial: CZC0177FYQ
ProductNo: 7PG47EA#ABZ attach photo
no power defect, attach bios
thanks to allAttached FilesComment
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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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corrupted biosComment
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please bios key collaboration hp prodesk 400 g6 mini pc seria 8cc1421h64Comment
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pleas need remove password bios
HP Prodesk 400 G6 Desktop Mini Pc
serial no 8CC2122QWB
DAF91MB16B0 REV B
MODEL : F91Comment
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Mọi khoản quyên góp cho badcaps đều được hoan nghênh, hãy nhấp vào liên kết này để quyên góp. Cảm ơn tất cả những người ủng hộ----------------------------------------------------------------------------------------------------------------------------------------------------------------Comment
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Hello
I need help with password on this bios dump.
Any help apreciated.
SN 8CC0450DKT
Thanks !!Comment
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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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Mọi khoản quyên góp cho badcaps đều được hoan nghênh, hãy nhấp vào liên kết này để quyên góp. Cảm ơn tất cả những người ủng hộ----------------------------------------------------------------------------------------------------------------------------------------------------------------Comment
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Hi,
as noobie to this please excuse my lack of experience.
I am trying to remove a BIOS password from this machine:
HP ProDesk 400 G6 Mini
but so far I still have no success.
I bought CH341 programmer and decided to give it a try.
The programmer came with 8 pin cables and connectors or whatever everything else is called so I had to buy a new 16 pin cable because the chip which I think is the BIOS is with 16 pins..
I connected everything and downloaded AsProgrammer and NeoProgrammer then installed drivers... -
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