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What is the auto-boot sequence?

auto-boot sequence
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What is the auto-boot sequence?

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The usual way to boot from Open Firmware is just to let it auto-boot, i.e. turn on the power and leave the system alone. Firmware security defines the boot sequence for a secured XO. Unsecured XOs auto-boot via an intermediate Forth script (olpc.fth) as described in Custom bootloader. In both cases, the XO searches for boot files first on a USB mass storage device (hard disk or flash memory stick), then on an SD card, and then on the laptop’s internal flash memory. In the unsecured case, it further tried to boot from a wired USB network device, then from the wireless network. The network boot option is mostly used for manufacturing.

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