Hello,
I am following your tutorial and it is very good explained.
When i want to erase the chip a get this message
Possible protection is enabled. Press "Unprotect" and check datasheet
Erasing memory...
Do you know what is the cause.
Thank you.
[TUTORIAL] LattePanda Bios Reflash Save LP from red light
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Hi guadalupeescoto,
could you please take a pic of this message? we don't have this problem always.
did you connect power when reflashing? Please disconnect it if you do.
could you please take a pic of this message? we don't have this problem always.
did you connect power when reflashing? Please disconnect it if you do.
Enjoy Tinkering with LattePanda ! 

I have the same issue. I tried with both ASProgrammer and the CH341A program. I have tried reading the contents of the bios multiple times, and I get different results, so my guess something is getting corrupted somewhere (or maybe a bad chip?).
On AsProgrammer, I get the following error:
For the other program, I took a screenshot.
On AsProgrammer, I get the following error:
Code: Select all
Программатор SPI, I2C, Microwire FLASH/EEPROM v1.4.1
http://forum.easyelectronics.ru/viewtopic.php?f=17&t=10947
asprogrammer@inbox.ru
Current programmer: CH341
10:24:29
Possible protection is enabled. Press "Unprotect" and check datasheet
Erasing memory...
Done
Execution time: 0:00:00
Current programmer: CH341
10:27:27
Possible protection is enabled. Press "Unprotect" and check datasheet
Erasing memory...
Done
Execution time: 0:00:00
Current programmer: CH341
10:27:45
Possible protection is enabled. Press "Unprotect" and check datasheet
Erasing memory...
Done
Execution time: 0:00:00
Current programmer: CH341
Old SREG: 00100000(0x20), 10101010(0xAA)
New SREG: 01010101(0x55), 01000101(0x45)
Current programmer: CH341
Old SREG: 10100000(0xA0), 00010001(0x11)
New SREG: 10101010(0xAA), 01010101(0x55)
- Attachments
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- error 1.png (119.05 KiB) Viewed 13577 times
Buongiorno ho seguito la guida ma non riesco a leggere L'IC. nel mio caso la sigla è
25LQ64CVIG. ho erronaemente con win10 funzionante aggiornato il bios con un file errato. risultato al riavvio led blue e rosso. ho acquistato il programmatore ma non vuole saperne di funzionare. mi dice chip connesso legge ma i risultati sono tutti F. ho una tlro minipc funzionante con il medesimo chip ...ho provato anche quello ma nulla. parlo da ingnorante ...forse non è compatibile essendo un ic con sigle differente?
25LQ64CVIG. ho erronaemente con win10 funzionante aggiornato il bios con un file errato. risultato al riavvio led blue e rosso. ho acquistato il programmatore ma non vuole saperne di funzionare. mi dice chip connesso legge ma i risultati sono tutti F. ho una tlro minipc funzionante con il medesimo chip ...ho provato anche quello ma nulla. parlo da ingnorante ...forse non è compatibile essendo un ic con sigle differente?
Try switching the clips (If you use it) around. I found that when I clip on the connector to the programmer a red led lights up. Mess around with your programmer till it works. Also, check if you have the winbond w25q64 chip instead. Hope that helps!janlugt wrote: ↑Fri Nov 08, 2019 6:33 pmI have the same issue. I tried with both ASProgrammer and the CH341A program. I have tried reading the contents of the bios multiple times, and I get different results, so my guess something is getting corrupted somewhere (or maybe a bad chip?).
On AsProgrammer, I get the following error:For the other program, I took a screenshot.Code: Select all
Программатор SPI, I2C, Microwire FLASH/EEPROM v1.4.1 http://forum.easyelectronics.ru/viewtopic.php?f=17&t=10947 asprogrammer@inbox.ru Current programmer: CH341 10:24:29 Possible protection is enabled. Press "Unprotect" and check datasheet Erasing memory... Done Execution time: 0:00:00 Current programmer: CH341 10:27:27 Possible protection is enabled. Press "Unprotect" and check datasheet Erasing memory... Done Execution time: 0:00:00 Current programmer: CH341 10:27:45 Possible protection is enabled. Press "Unprotect" and check datasheet Erasing memory... Done Execution time: 0:00:00 Current programmer: CH341 Old SREG: 00100000(0x20), 10101010(0xAA) New SREG: 01010101(0x55), 01000101(0x45) Current programmer: CH341 Old SREG: 10100000(0xA0), 00010001(0x11) New SREG: 10101010(0xAA), 01010101(0x55)

- Attachments
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- image3.jpeg (2.7 MiB) Viewed 4659 times
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- image4.jpeg (2.55 MiB) Viewed 4659 times
I suggest you use AsProgrammer on win10 and use gd25q64. Check to make sure you have good connections. If you have a clip with your programmer ^^^Look at my previous post^^^, make sure that all of your connections are good. It should have a red light if the IC is still connected to the board. Make sure you are using the right bios and press erase, then program with the file. If you read afterwards, it shouldn't be all F. If you boot up and it looks like it's working but you get no HDMI picture, read here http://www.lattepanda.com/topic-f10t1175.htmlpaolo977 wrote: ↑Sat Apr 18, 2020 7:13 amBuongiorno ho seguito la guida ma non riesco a leggere L'IC. nel mio caso la sigla è
25LQ64CVIG. ho erronaemente con win10 funzionante aggiornato il bios con un file errato. risultato al riavvio led blue e rosso. ho acquistato il programmatore ma non vuole saperne di funzionare. mi dice chip connesso legge ma i risultati sono tutti F. ho una tlro minipc funzionante con il medesimo chip ...ho provato anche quello ma nulla. parlo da ingnorante ...forse non è compatibile essendo un ic con sigle differente?