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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- Posts are to be made in the relevant forum. Users are asked to read the forum descriptions before posting.
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- Members should use an appropriate, descriptive subject when posting a new topic. Examples of bad subjects include; "Help me!", "I'm stuck!", "I've got an error!", etc. Examples of good subjects include; "Getting an TABLE FULL error upon login", "Cannot restore a backup".
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- Members should post in a way that is respectful of other users. Flaming or abusing users in any way will not be tolerated and will lead to a warning. Vulgar language and inappropriate material is not allowed and will be removed. We try to maintain a family friendly atmosphere whenever it is possible within the main subject matter of this community. Please keep this in mind when participating.
- Each user is allowed to create one account. If you would like to change your username, please contact us and, most likely, we can do it for you while you can keep all of your profile data, posts, and other content.
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Thank you for visiting LattePanda.com!
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LattePanda
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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 3018 times