11 lines
500 B
Markdown
11 lines
500 B
Markdown
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---
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title: ThinkPad T420 external flashing
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x-toc-enable: true
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...
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Make sure to read the [Ivybridge/Haswell common guide](/docs/install/ivy_has_common.html) before attempting to flash this board.
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After you have prepared a rom and split it into two section, refer to this guide for disassembly instructions.
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We don't currently have disassembly instructions for this board.
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See [coreboot docs](https://www.coreboot.org/Board:lenovo/t420) for how to disassemble this machine to reveal the flash chips.
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