[TUTORIAL] LattePanda Bios Reflash Save LP from red light

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LattePanda
Site Admin
Posts: 2379
Joined: Wed Jan 20, 2016 9:09 am

Sun Jul 29, 2018 4:06 pm

sophocha wrote:
Tue Jun 26, 2018 3:13 pm
THANK YOU THANK YOU THANK YOU!!!

I had the 1.8v bios version. It also works with an old GQ-4X rev.1.3 programmer ( I had to buy a cheap 1.8v adapter). Change the device offset to 000000H, choose a GD device ID (there is only one on the device list that gives you an error but that doesn't matter) and make sure the IC clip/clamp on cable is seated properly on the bios chip (this is the hard part, I had to pry the connections a little in order to seat properly on the chip). My latte is alive again!
Dear sophocha, haha. Great to know! Enjoy tinkering with a "new" "live" panda...And feel free to share your project or technical discussion here with us!
Enjoy Tinkering with LattePanda ! :lol:

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addeswe
Posts: 1
Joined: Sat Sep 15, 2018 12:17 pm

Sat Sep 15, 2018 12:20 pm

So I looked at my chip. And the marking say: 25L064CV1G. And I can't really find any pinout regarding it.
Is it reasonable to assume that the pinout for it is the same as the GD25Q64? (thanks in advance staff).

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Kongkrich
Posts: 11
Joined: Sun Sep 10, 2017 1:08 pm

Mon Oct 08, 2018 9:28 am

My chip is winbond 25064FWS4S. How can I do?

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LattePanda
Site Admin
Posts: 2379
Joined: Wed Jan 20, 2016 9:09 am

Wed Oct 10, 2018 11:30 am

@addeswe and Kongkrich, we will update this part of change soon on the post. In short, just change the menu setting to w25q64(winbond)!
Enjoy Tinkering with LattePanda ! :lol:

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cobrajon2003
Posts: 1
Joined: Sat Oct 27, 2018 11:57 pm

Sun Oct 28, 2018 12:24 am

I have a Lattepanda with a "Winbond" bios chip. I'm not having any luck with the available bios files. I think it may be because I have an "S70CR200-CC55E Z8350" and I don't see bios that are for the "CC55E". I've tried the one for "d" and "F" with no luck. Any help is greatly appreciated being as my Lattepanda is useless at the moment.
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raidensnake
Posts: 24
Joined: Mon Apr 23, 2018 7:31 am

Thu Nov 15, 2018 4:21 am

cobrajon2003 wrote:
Sun Oct 28, 2018 12:24 am
I have a Lattepanda with a "Winbond" bios chip. I'm not having any luck with the available bios files. I think it may be because I have an "S70CR200-CC55E Z8350" and I don't see bios that are for the "CC55E". I've tried the one for "d" and "F" with no luck. Any help is greatly appreciated being as my Lattepanda is useless at the moment.
You're not the only one here.. My one is the S70CR200-CC55G Z8350 and there are no files for it either! It suddenly crashed to a solid red light!

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raidensnake
Posts: 24
Joined: Mon Apr 23, 2018 7:31 am

Fri Nov 16, 2018 8:09 pm

Zzz5123 wrote:
Mon Aug 08, 2016 1:09 pm
Open the programmer software. (For different programmer, different steps, just ask your vendor )
Select the manufacturer of the chip and select the right model (GIGADEVICE GD25Q64 , remember?)
12.jpg

Read the chip information ,and you can see some words if it still work (it’s messy code here, just leave it alone.Some mistake about the software)

13.jpg
Open and select the file downloaded from the official site of your bios.

15.jpg
I would suggest using ASProgrammer 1.4.0 instead as it's more stable in terms of flashing and it also supports the CH341A hardware and drivers.

https://github.com/nofeletru/UsbAsp-flash/releases/

The other one has either issues where the needed chip names aren't listed or the flash process doesn't work properly.

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LattePanda
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Posts: 2379
Joined: Wed Jan 20, 2016 9:09 am

Fri Nov 16, 2018 10:56 pm

@raidensnake, thanks for your update! I've managed to merge your suggestion to the first page tutorial content!
Enjoy Tinkering with LattePanda ! :lol:

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Shahtori
Posts: 2
Joined: Sat Feb 09, 2019 8:59 pm

Sun Feb 10, 2019 7:37 am

kalvorota wrote:
Fri Feb 23, 2018 5:52 pm
SOLVED

Fortunately for me, despite not receiving any help from the LattePanda team, I have fixed it by doing a HARD RESET but with a method somewhat different from the one that appears in the following link, because in a first attempt it did not work as they describe.
http://www.lattepanda.com/forum/viewtop ... f=10&t=853

Second try:
- LattePanda was connected via HDMI to a TV.
- HDMI plugged but TV screen shows a HDMI disconnected message.
- Simultaneously pressing POWER and RESET.
- Then I plugged in the power supply and waited at least 20 seconds before releasing POWER and RESET.
- WITHOUT disconnecting the power, I waited few seconds watching the TV went to black screen warning the HDMI cable had a signal.
- The LattePanda logo appeared once and then the screen went to black.
- The LattePanda logo appeared a second time and then the screen went black.
- Then the Windows 10 screen appeared.

As I had flashed the BIOS with the new file "Auto Power On" I thought I had lost the activation key, but it is not true, I checked Windows 10 was still activated by putting the following command SLMGR -XPR in the CMD window.

Of course, I made a BIOS backup in the system now and comparing the new APO BIOS working file with the APO BIOS factory file using HxD or Notepad++ HEX editor plug-in and there are big differences now.

To prevent a new brick, what is the most recently BIOS file to use with my LP version S70CR110-C34A / Z8300 including update with Auto Power On?
I do this steps but no thinks happened.

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Shahtori
Posts: 2
Joined: Sat Feb 09, 2019 8:59 pm

Mon Feb 11, 2019 10:51 am

Thanks a lot for your help.I recovered my lattepanda with this solution. But I have a new problem. Now lattepanda boot correctly but in the first boot do not get new password and going to this screen and I can’t login with last username and password that I remember.
https://drive.google.com/file/d/1ahdFC7 ... p=drivesdk

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