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docs/mb/hp: fix link to Sure Start whitepaper, add another

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The URL must have the .pdf extension now, otherwise gets a 404.
Add a note on later revisions of Sure Start.

Change-Id: I00ab30b461795c672890a21d1fb2af929865c822
Signed-off-by: Daniel Maslowski <info@orangecms.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/91840
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Khalifa Rouis <khalifa@missingno.tech>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
This commit is contained in:
Daniel Maslowski 2026-03-24 23:44:26 +01:00 • committed by Matt DeVillier
commit 9bfab15070
1 changed files with 5 additions and 1 deletions
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6
Documentation/mainboard/hp/hp_sure_start.md
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@ -7,6 +7,9 @@ It is implemented in HP notebooks since 2013, and desktops since 2015.
This document talks about some mechanism of HP Sure Start on some machines, and
the method to bypass it.
The method may no longer be applicable to more recent boards. HP has a later
[revision of the whitepaper] from 2019 and there may be others.
## Laptops with SMSC MEC1322 embedded controller
Haswell EliteBook, ZBook and ProBook 600 series use SMSC MEC1322 embedded controller.
@ -57,4 +60,5 @@ located at the high address of the flash chip (and in the protected region),
we can leave it untouched, and do not need to extract the EC firmware to put it in
the coreboot image.
[HP Sure Start Technical Whitepaper]: http://h10032.www1.hp.com/ctg/Manual/c05163901
[HP Sure Start Technical Whitepaper]: https://h10032.www1.hp.com/ctg/Manual/c05163901.pdf
[revision of the whitepaper]: https://h10032.www1.hp.com/ctg/Manual/c06216928.pdf