Month: July 2021

Hello guys!

The issue with a damaged NAND chip is very popular for the ST1000LX015 and ST2000LX001 models. At the ACE Lab Online Technical Conference 2021 we showed a case on this topic. Following up, this blog article with step-by-step instructions explains the provided solution.

The difference between Classic HDD and Hybrid SSHD is a NAND memory chip located on the PCB. This chip was added to improve the HDD initialization speed, and it stores a part of HDD FW. Also, it’s used as a cache for the user data.

At the same time, the NAND chip becomes a weak point of the drive due to the Flash memory specifics. It means if this chip is damaged, the drive won’t be able to initialize itself even if the SA part on the platters is OK.

How to recognize the problem?

The behaviour is similar: the drive isn’t spinning after power on but it comes to the DRD + DSC state and shows the correct passport information. Usually, after power on, you can see such an error message in the Terminal tab:

L..

Hello guys!

The issue with a damaged NAND chip is very popular for the ST1000LX015 and ST2000LX001 models. At the ACE Lab Online Technical Conference 2021 we showed a case on this topic. Following up, this blog article with step-by-step instructions explains the provided solution.

The difference between Classic HDD and Hybrid SSHD is a NAND memory chip located on the PCB. This chip was added to improve the HDD initialization speed, and it stores a part of HDD FW. Also, it’s used as a cache for the user data.

At the same time, the NAND chip becomes a weak point of the drive due to the Flash memory specifics. It means if this chip is damaged, the drive won’t be able to initialize itself even if the SA part on the platters is OK.

How to recognize the problem?

The behaviour is similar: the drive isn’t spinning after power on but it comes to the DRD + DSC state and shows the correct passport information. Usually, after power on, you can see such an error message in the Terminal tab:

L..

Hello everybody!

Worn-out NAND Flash chips are a common issue when we are speaking about data recovery from USB Flash devices. Nowadays chips may have low quality even from the factory. Your pendrive may die less than in a month because of that. Unfortunately, such a tendency can also be seen when we are talking about other devices in which NAND chips can be used, for example, SSDs, mobile phones, and even modern cars!

Tesla vehicles built between 2012 and 2018 use an infotainment system powered by Nvidia’s Tegra 3 system-on-chips that include 8GB of eMMC NAND storage. The trouble is that these Flash chips are wearing out, having hit their program-erase cycle limits, and are unable to store data reliably, causing glitches in operation. Around 160 000 cars were produced with such eMMC storage inside and may be impacted by this problem. The storage controllers can no longer find good working NAND blocks to use and thus fail. Once the storage is worn out, it can have an impact on some o..

Hello everybody!

Worn-out NAND Flash chips are a common issue when we are speaking about data recovery from USB Flash devices. Nowadays chips may have low quality even from the factory. Your pendrive may die less than in a month because of that. Unfortunately, such a tendency can also be seen when we are talking about other devices in which NAND chips can be used, for example, SSDs, mobile phones, and even modern cars!

Tesla vehicles built between 2012 and 2018 use an infotainment system powered by Nvidia’s Tegra 3 system-on-chips that include 8GB of eMMC NAND storage. The trouble is that these Flash chips are wearing out, having hit their program-erase cycle limits, and are unable to store data reliably, causing glitches in operation. Around 160 000 cars were produced with such eMMC storage inside and may be impacted by this problem. The storage controllers can no longer find good working NAND blocks to use and thus fail. Once the storage is worn out, it can have an impact on some o..