Tag Archives: XOR

PC-3000 Flash. 7 Steps to Recover Data from Kingston DataTravel G4 64GB with the CBM2199a Controller

Posted on 06/15/2020 by ACELab team

Hello everyone! In 2019 and 2020 the manufacturers of the NAND Flash controllers actively renewed their old lines with new generations. Silicon Motion released the SM3281L controller, Alcor Micro – AU89102. Now the Chipsbank company presented a new CBM2199a controller … Continue reading →

Posted in PC-3000 Flash | Tagged , , , , , , , , , | Leave a comment

PС-3000 Flash. AU6989 and AU6998: XORed inserts

Posted on 06/01/2018 by ACELab team

Hello, friends! This article continues the topic of building a good folder structure for AU6989 and AU6998 in PC-3000 Flash. As you probably know, there are a lot of cases when we can’t determine the ECC because of the insertions. … Continue reading →

Posted in PC-3000 Flash | Tagged , , , | 2 Comments

PC-3000 DE. Data Extractor RAID Edition. How to recover data from RAID 5 on 3 drives where one drive has outdated data (we don’t know which one)

Posted on 01/13/2017 by ACELab team

Hello friends, Data recovery can be simple when we know RAID configuration (level, block size, start of striping, delay) and all RAID members have valid data (user data without any modifications). Unfortunately, we often find ourselves in less than perfect circumstances, … Continue reading →

Posted in Articles, Data Extractor, PC-3000 HDD | Tagged , , , , , , , , , | Leave a comment

PC-3000 DE. Data Extractor RAID Edition. Solution for LaCie Big 4 Quadra Raid 5 case

Posted on 07/20/2016 by ACELab team

The LaCie Big 4 Quadra is the most complete 4-bay RAID solution for professionals who demand exceptional performance from a storage device. There are adtantages of the LaCie 4big Quadra Speed and security for audio, video, and photo professionals; Huge … Continue reading →

Posted in Data Extractor | Tagged , , , , , | Leave a comment

PC-3000 DE. Data Extractor RAID Edition. How to find RAID configuration based on user files in Data Extractor RAID Edition

Posted on 04/13/2016 by ACELab team

For some complex RAID cases ata Extractor RAID Edition has feature which allows to determine RAID configuration based on user files. Theory and methodology. Let’s look into .zip files. They contain two types of data: – zip metadata (structures which … Continue reading →

Posted in Data Extractor, Video | Tagged , , , , , | 2 Comments

PC-3000 DE. Data Extractor RAID Edition. First steps. (Part 3)

Posted on 07/08/2015 by ACELab team

This part is a continuation of part 2. We proceed to work with RAID array and focus on assembling RAID configuration in interactive mode. A quick introduction: Sometimes RAID array metadata are damaged or RAID has a non-standard configuration. Data Extractor … Continue reading →

Posted in Articles, Data Extractor, PC-3000 HDD, Video | Tagged , , , , | Leave a comment

PC-3000 Flash. How to change the page size

Posted on 06/08/2015 by ACELab team

One of the most popular problem in modern tasks – try to find correct XOR for data re encryption. About XOR you always can read more information by the following link. In this article you will find the way, how … Continue reading →

Posted in Articles, PC-3000 Flash | Tagged , , , | 3 Comments

PC-3000 Flash. How to search and apply XOR from the list of available patterns

Posted on 06/08/2015 by ACELab team

XOR – is some kind of special operation which allows controller encrypt data with special pattern. So, basically we can call it “soft encryption”, because this XOR can change user data and does not allow us to find any headers in … Continue reading →

Posted in Articles, PC-3000 Flash | Tagged , , | 3 Comments