Category Archives: emmc

EMMC Hacks For The Speed And Capacity Upgrade Win

You could say that it is the essence of a site like this one, that the kind of people who form our readership are also the kind of people who examine the specs of the devices in front of them to reveal hidden features. Such was the case with [Ryan], who noticed that the eMMC controller on his 96Boards HiKey development board supports both HS200 data transfer speeds and 1.8v signaling, both of which it wasn’t using.

In unlocking the extra performance, he takes readers through a primer on the device tree, and is happy to report that his transfer …read more

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Posted in 96boards HiKey, emmc, eMMC controller, HiKey, parts, soldering | Leave a comment

eMMC to SD Hack Rescues Data from a Waterlogged Phone

How do I get the data off this destroyed phone? It’s a question many of us have had to ponder – either ourselves or for friends or family. The easy answer is either spend a mint for a recovery service or consider it lost forever.  [Trochilidae] didn’t accept either of those options, so he broke out the soldering iron and rescued his own data.

A moment’s inattention with a child near a paddling pool left [Trochilidae’s] coworker’s wife with a waterlogged, dead phone. She immediately took apart the phone and attempted to dry it out, but it was too late. …read more

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Posted in Cellphone Hacks, data recovery, emmc, flash, recovery, rescue, smartphone | Leave a comment

Roll Your Own 64GB SD Card From An EMMC Chip

It’s well-known that buying Flash storage devices from cheap online retailers is fraught with danger. Stories abound of multi-gigabyte drives that turn out to be multi-megabyte ones engineered to falsely report their capacity. So when [Jason Gin] found a source of 64GB Toshiba eMMC chips for only $6 per device he bought a few, but was prepared for disappointment.

To test them, he decided to use an SD card interface. There are minor differences between eMMC and SD, but the interfaces are electrically the same and in most cases an SD controller will happily do business with an eMMC. It …read more

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Posted in bga, BGA soldering, emmc, hardware, sd, sd card | Leave a comment