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[[File:How_to_SD.PNG|center|772x332px|center]]
<span class="mw-headline">Inside General processors we can find Texas Instruments</span>
===<span id="Texas_Instruments_Processors" class="mw-headline">Texas Instruments Processors</span>===
* The microsd card must be content at latest 2 partitions.
* The first one must be primary partition with the boot flag mark and formated using FAT(16 or 32) file system.
* All names used in this partition must be msdos names (applies to OLD OMAP35xx processor).
* The processor must load a first program called '''MLO''', this program must reside in the first partition, this program it's also called '''x-loader or uboot-spl.'''
''The processor when boot ONLY load and execute the MLO program and ignore all the rest it's the X-loader(MLO) the program responsible to load the next programs such kernel or uboot if you use this last one approach.''
===<span id="Freescale-NXP_Processors" class="mw-headline">Freescale-NXP Processors</span>===
* The microsd card must be content at latest 1 partitions.
* The primary partition can be formatted with any filesystem that u-boot can mount.
* The Processor will load the '''u-boot.imx''' it include the SPL and u-boot.
''After load this u-boot.imx, u-boot will be ready for boot the kernel.''
Therefore, we are going to '''setup a microSD card with these requirements''' and '''install a custom software distribution''' into it.
===Boot from Flash===
