Doc/mb/protectli/fw6: describe revisions and more variants
- Add documentation about Old/New motherboard revisions - Mention that FW6A/B/C exist as both Old and New Revision - Mention that the current codebase only supports the Old Revision - Add documentation about FW6D and FW6E variants, currently unsupported Signed-off-by: Purdea Andrei <andrei@purdea.ro> Change-Id: Ifdf1624c8d206326c64163382b31c6001300b4df Reviewed-on: https://review.coreboot.org/c/coreboot/+/88226 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
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Purdea Andrei
Matt DeVillier
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1 changed files with 73 additions and 9 deletions
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@ -57,8 +57,13 @@ This chip is located on the bottom side of the case (the radiator side). One
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has to remove all screws (in order): 4 top cover screws, 4 side cover screws
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(one side is enough), 4 mainboard screws, 4 CPU screws (under DIMMs). Lift up
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the mainboard and turn around it. The flash chip is near the SoC on the DIMM
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slots side. Use a clip (or solder the wires) to program the chip. Specifically,
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it's a Macronix MX25L6406E (3.3V) -[datasheet][MX25L6406E].
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slots side. Desolder and reprogram the chip, or use a clip (or solder the
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wires) to program the chip. Specifically, it's a Macronix MX25L6406E (3.3V)
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-[datasheet][MX25L6406E], while on some other boards it's a Macronix MX25L6436F.
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At least on some revisions of the motherboard, it's not possible to reprogram
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the chip with a clip, while the board is powered off, because there's no diode
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to prevent backfeeding power to other components on the board.
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## Known issues
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@ -99,8 +104,26 @@ the cables or not being populated on the board case.
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## Technology
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There are 3 variants of FW6 boards: FW6A, FW6B and FW6C. They differ only in
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used SoC.
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There are 5 variants of FW6 boards: FW6A, FW6B, FW6C, FW6D and FW6E. They differ
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in used SoC.
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There are two revisions of the motherboard, hereby called Old Revision
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(using IT8772E Super I/O chip), and New Revision (using IT8613E Super I/O chip).
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Besides the different Super I/O chip, they also differ in component placement,
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and available internal motherboard headers. The Old Revision motherboards are
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marked with silkscreen "YL-SK1L6-V1", while the New Revision motherboards are
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marked with silkscreen "KBR6LAV20".
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WARNING: The current code base only supports the Old Revision motherboards.
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To compare the two motherboard
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revisions one may compare the [New Revision FW6A Datasheet] to the
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[Old Revision FW6 Series Hardware Overview].
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The FW6A/FW6B/FW6C variants are known to have been produced with both
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motherboard revisions.
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The FW6D/FW6E variants are only known to exist with the new motherboard revision.
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- FW6A:
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@ -110,10 +133,12 @@ used SoC.
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+------------------+--------------------------------------------------+
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| PCH | Kaby Lake U w/ iHDCP2.2 Base |
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+------------------+--------------------------------------------------+
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| Super I/O, EC | ITE IT8772E |
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| Super I/O, EC | Old revision: ITE IT8772E, New rev.: ITE IT8613E |
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+------------------+--------------------------------------------------+
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| Coprocessor | Intel Management Engine |
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+------------------+--------------------------------------------------+
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| Support | Currently only the Old Revision is supported |
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+------------------+--------------------------------------------------+
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```
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- FW6B:
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@ -124,10 +149,12 @@ used SoC.
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+------------------+--------------------------------------------------+
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| PCH | Kaby Lake U w/ iHDCP2.2 Premium |
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+------------------+--------------------------------------------------+
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| Super I/O, EC | ITE IT8772E |
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| Super I/O, EC | Old revision: ITE IT8772E, New rev.: ITE IT8613E |
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+------------------+--------------------------------------------------+
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| Coprocessor | Intel Management Engine |
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+------------------+--------------------------------------------------+
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| Support | Currently only the Old Revision is supported |
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+------------------+--------------------------------------------------+
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```
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- FW6C:
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@ -138,21 +165,58 @@ used SoC.
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+------------------+--------------------------------------------------+
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| PCH | Kaby Lake U w/ iHDCP2.2 Premium |
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+------------------+--------------------------------------------------+
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| Super I/O, EC | ITE IT8772E |
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| Super I/O, EC | Old revision: ITE IT8772E, New rev.: ITE IT8613E |
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+------------------+--------------------------------------------------+
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| Coprocessor | Intel Management Engine |
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+------------------+--------------------------------------------------+
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| Support | Currently only the Old Revision is supported |
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+------------------+--------------------------------------------------+
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```
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- FW6D:
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```{eval-rst}
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+------------------+--------------------------------------------------+
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| CPU | Intel Core i5-8250U |
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+------------------+--------------------------------------------------+
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| PCH | Kaby Lake U w/ iHDCP2.2 Premium |
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+------------------+--------------------------------------------------+
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| Super I/O, EC | ITE IT8613E |
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+------------------+--------------------------------------------------+
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| Coprocessor | Intel Management Engine |
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+------------------+--------------------------------------------------+
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| Support | Currently not supported |
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+------------------+--------------------------------------------------+
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```
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- FW6E:
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```{eval-rst}
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+------------------+--------------------------------------------------+
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| CPU | Intel Core i7-8550U |
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+------------------+--------------------------------------------------+
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| PCH | Kaby Lake U w/ iHDCP2.2 Premium |
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+------------------+--------------------------------------------------+
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| Super I/O, EC | ITE IT8613E |
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+------------------+--------------------------------------------------+
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| Coprocessor | Intel Management Engine |
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+------------------+--------------------------------------------------+
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| Support | Currently not supported |
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+------------------+--------------------------------------------------+
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```
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## Other compatible boards
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As Protectli licenses and uses [Yanling] appliances with no modifications
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to the actual hardware, any compatible [Yanling] appliances would work.
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Specifically, look for hardware with the same CPU and NIC and coreboot
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should be able to compile and boot with no modifications required.
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Specifically, look for hardware with the same CPU, NIC, and Super I/O chip
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and coreboot should be able to compile and boot with no modifications
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required.
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[Protectli FW6]: https://protectli.com/vault-6-port/
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[website]: https://protectli.com/kb/coreboot-on-the-vault/
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[MX25L6406E]: https://www.macronix.com/Lists/Datasheet/Attachments/7370/MX25L6406E,%203V,%2064Mb,%20v1.9.pdf
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[flashrom]: https://flashrom.org/
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[Yanling]: http://www.ylgkdn.cn/
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[New Revision FW6A Datasheet]: https://kb.protectli.com/wp-content/uploads/sites/9/2025/04/FW6A-Datasheet-20250204.pdf
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[Old Revision FW6 Series Hardware Overview]: https://kb.protectli.com/kb/fw6-hardware-overview/
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