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SD/MMC Card Modding

Do you want to hack or mod a SD/MMC card? Here are links to free practical do-it-yourself instructions. If you have written a guide yourself (or if you know of a HOWTO not linked here), please submit a new entry.



SD/MMC Card Connectivity: Card Readers

ASUS Eee PC 701 4G Some internal upgrades: to install devices internally, more USB-connections are needed this can be achieved by routing the D+/D- signals from the southbridge/controller to a 4 port USB-hub. Now you can add a GPS with antenna, a BlueTooth connector, a SD/HC CardReader and some FlashDrive storage. A separate power switch can switch off all additional USB devices.
ASUS Eee PC 701 4G Add a second microSD Card Reader: without a large hard disk, memory cards are crucial for any user wanting to store large media collections, keep tons of applications, or boot multiple operating systems.
LinkSys WRT54G v4  [archived link] SD card mod, with GPIO pinouts and instructions to get a SD card slot added.
LinkSys WRT54G Tutorial: Adding an SD card reader.
SD/MMC Card Fits in Floppy Edge-Connector You can attach a SD memory card to any homebrew DIY project that has a few I/O pins, using ordinary connectors you probably have right now. SD cards are very popular for this purpose, because they only need a few pins (using SPI mode), and can be driven with simple "bit-bashed" SPI serial communications protocol, using free device drivers. An unused 5.25" floppy drive card edge connector just hanging off the end of the floppy drive cable, may be used as a cheap connector.
Siemens SimPad SL4 BlueTooth Add-On: how to add a Siemo S50037 (or a Mitsumi WML AHR C09) one chip solution as well as a SD/MMC card (includes schematics).
Toshiba Portege A600/A605 In order to access the cooling fan you have to remove the bottom cover. This guide also explains how to access the laptop memory, DVD drive, hard drive, wireless card, audio board, SC card reader, CMOS battery and power jack.
UCR-61S / UCR-61S2B Card Reader Mod How to make this OEM card reader more universal and how to add some visual hacks. By changing a jumper, this reader will be supported using the generic MS-Windows USB Mass Storage driver. You only need a soldering iron to re-wire a SMD jumper to change the behaviour of the NEODIO chip.

SD/MMC Card Hacks

EagleTec 1GB SD This tiny picture gallery shows the memory chip and the driver chip, the extreme density of the copper lines is impressive.
SanDisk 128MB SD-CardHow to take apart an SD-Card, a short guide with pictures.
SanDisk 512MB SD-Card How to take the sticker of and dissect the card. So now you know what the inside of an SD card looks like, without having to wreck one of your own.
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© Werner Heuser 2005-2017 · http://repair4laptop.org/sd_mmc_card_modding.html · last change Fri Jun 29 2012