The ungleich hardware maintenance guide » History » Version 4
Nico Schottelius, 04/12/2021 01:21 PM
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| 3 | 1 | Nico Schottelius | h1. The ungleich hardware maintenance guide |
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| 5 | This guide describes common operations on hardware we use. |
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| 7 | h2. APU Bios Update |
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| 9 | * Download the correct bios from https://pcengines.github.io/ |
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| 10 | ** Check whether it's apu1/2/3/4 before downloading |
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| 11 | * Install flashrom |
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| 12 | * "Flash bios using flashrom":https://github.com/pcengines/apu2-documentation/blob/master/docs/firmware_flashing.md |
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| 13 | ** @flashrom -w THEROMFILE -p internal@ |
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| 15 | 4 | Nico Schottelius | h2. APU Serial and bootloader configuration |
| 16 | 3 | Nico Schottelius | |
| 17 | * Ensure that the bootloader has "console=ttyS0,115200" configured |
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| 18 | * Ensure that there is a getty running on serial |
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| 19 | * Use grub-bios as the bootloader |
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| 20 | ** Install using @grub-install /dev/sda@ |
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| 21 | 1 | Nico Schottelius | |
| 22 | h2. SEE ALSO |
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| 24 | * [[Managing OpenWRT]] |