Jtag error message

[coffinsupply]

Hello,
I'm trying to read Nand and I get error in Jrunner
"Can't check for bad blocks. No Spare data. Possibly Corona"
Nands are the same

However, after some searching I tend to find this is normal.
So can someone confirm this actually backed my my original Nand?

Thanks.


after some search I found

 

[gavin_darkglide]

fill out the RGH template, and show pictures of soldering.

 

[Martin C]

Moved to the noob section.