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64GB reported has 72GB

Posted: 17.12.20, 13:32
by DRUG
Hey guys,

Why does this happen?

Does this means chip went crazy?

This is the chip ID: 0x2CC40832

Re: 64GB reported has 72GB

Posted: 17.12.20, 13:35
by Roman_TS
It's a new 3D NAND TLC chips. They have more capacity because of a bad quality. Need extra space for ECC codes storing and blocks reallocation.

Re: 64GB reported has 72GB

Posted: 17.12.20, 13:37
by DRUG
So this is why I'm detecting ECC for the past 4 hours :oops:

Re: 64GB reported has 72GB

Posted: 17.12.20, 14:15
by Roman_TS
If you can't find the ECC, means that some additional steps are required. Make a ticket in TS dpt and we will help you.
ECC should be detected during 1 minute. No need to wait more.

Re: 64GB reported has 72GB

Posted: 18.12.20, 16:20
by jerema
Hello Roman,

maybe you can make a blog entry about this problem?

jerema

Re: 64GB reported has 72GB

Posted: 18.12.20, 19:05
by Roman_TS
jerema wrote:Source of the post Hello Roman,

maybe you can make a blog entry about this problem?

jerema


Which article entry do you mean? About undetectable ECC or 72GB instead of 64? :)

Re: 64GB reported has 72GB

Posted: 19.12.20, 18:55
by jerema
:D
Undetectable ECC: This is a problem in many cases and you say there are additional steps to do.

Re: 64GB reported has 72GB

Posted: 19.12.20, 21:26
by Roman_TS
jerema wrote:Source of the post :D
Undetectable ECC: This is a problem in many cases and you say there are additional steps to do.


https://blog.acelab.eu.com/pc-3000-flas ... 1-ecc.html

Links are in the end of the article :)

Re: 64GB reported has 72GB

Posted: 23.12.20, 18:24
by DRUG
This was resolved.

I made a contraption with my heat gun and I was able to read all the problematic areas. There was no chance to create directory but a RAW recovery was just fine.

Re: 64GB reported has 72GB

Posted: 08.01.21, 17:31
by AJ2008
Sometimes in chip off RAW recovery is only option - RAW recovery is still great result in most situations and especially SD / microSD cases :)