45 lines
1.7 KiB
Markdown
45 lines
1.7 KiB
Markdown
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# Lenovo Thinkpad R60
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Untested on boards with external Radeon graphics adapter. If you have such
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board, proceed at your own risk and document if it does work.
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## Flashing instructions
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### External flashing
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The flash IC is located at the bottom center of the mainboard. Access to
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the flash chip is blocked by the magnesium frame, so you need to disassemble
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the entire laptop and remove the mainboard. The flash chip is referenced as U49 in
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the schematics and in the boardview.
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To disassemble the laptop, follow the [Hardware Maintenance Manual](https://thinkpads.com/support/hmm/hmm_pdf/42x3749_02.pdf).
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### Internal flashing on Vendor BIOS
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This [method](https://gist.github.com/ArthurHeymans/c5ef494ada01af372735f237f6c6adbe) describes a way to install coreboot with vendor firmware still
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installed on the Lenovo Thinkpad X60. It is reported to also work in Thinkpad
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R60, with the only difference being the board target you build coreboot for.
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### Flashing on coreboot
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Default configuration of coreboot doesn't feature any flash restrictions
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like the vendor firmware, therefore flashrom is able to flash any rom without problems.
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## Things tested and working in Linux 5.3:
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- Intel WiFi card
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- Suspend and resume
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- Native graphics initialization. Both legacy VGA and linear framebuffer work
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- GRUB2 2.04 and SeaBIOS 1.12.1 payloads
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- Reflashing with flashrom (use flashrom-git as of 17.09.2019)
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- 2G+1G memory configuration working
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- 2504 dock USB ports if not hotplugged
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## Things tested and not working:
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- 2504 dock hotplugging
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- Black bar at the left side of the screen. Doesn't appear in Linux. See picture at top
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- Sometimes it takes several second to run coreboot. Just wait for it
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