263 lines
9.9 KiB
Markdown
263 lines
9.9 KiB
Markdown
---
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title: HP Elite 8200 SFF/MT and 6200 Pro Business
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x-toc-enable: true
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...
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**[PLEASE READ THESE INSTRUCTIONS BEFORE INSTALLING](../../news/safety.md),
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OR YOU MIGHT BRICK YOUR MACHINE: [SAFETY PRECAUTIONS](../../news/safety.md)**
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<div class="specs">
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<center>
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<img tabindex=1 alt="HP Compaq 8200 Elite SFF" class="p" src="https://av.libreboot.org/hp8200sff/grub_open.jpg" /><span class="f"><img src="https://av.libreboot.org/hp8200sff/grub_open.jpg" /></span> <img tabindex=1 title="From left to right: SFF and MT" class="p" src="https://av.libreboot.org/hp8200sff/sff+mt.jpg" /><span class="f"><img src="https://av.libreboot.org/hp8200sff/sff+mt.jpg" /></span>
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</center>
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| ***Specifications*** | |
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|---------------------------|---------------------------------------------|
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| **Manufacturer** | HP |
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| **Name** | Compaq 8200 Elite SFF |
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| | Compaq 8200 Elite MT |
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| **Released** | 2011 |
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| **Chipset** | Intel Q67 |
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| **CPU** | Intel Sandy/Ivy Bridge |
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| **Graphics** | Intel HD Graphics or PCI-e low profile card |
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| **Memory** | Up to 32GB (4x8GB) |
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| **Architecture** | x86_64 |
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| **Intel ME/AMD PSP** | Present, neutered |
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| **Flash chip** | SOIC-8 8MiB |
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```
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W+: Works without blobs;
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N: Doesn't work;
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W*: Works with blobs;
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U: Untested;
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P+: Partially works;
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P*: Partially works with blobs
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```
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| ***Features*** | |
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|---------------------------------------------------|----|
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| **Internal flashing with original boot firmware** | W* |
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| **Display (Intel GPU)** | W+ |
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| **Display (PCIe graphics card)** | W+ |
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| **Audio** | W+ |
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| **RAM Init** | W+ |
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| ***Payloads supported*** | |
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|---------------------------|-------|
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| **GRUB** | Works |
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| **SeaBIOS** | Works |
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| **SeaBIOS with GRUB** | Works |
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</div>
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Introduction
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============
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Libreboot has support for this, in the Git repository and release versions
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from 20230423 onwards.
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Brief board info
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----------------
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HP Elite 8200 SFF is a small-form-factor desktop of Intel Sandybridge platform
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which you can read more about here:
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<https://support.hp.com/gb-en/product/hp-compaq-8200-elite-small-form-factor-pc/5037931>
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MT is an identical board with a larger chassis and more powerful power supply:
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<https://support.hp.com/gb-en/product/hp-compaq-8200-elite-desktop-pc-series/5037940>
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Here's the [Technical Reference Manual](https://web.archive.org/web/20160109143257/https://h10032.www1.hp.com/ctg/Manual/c02778024.pdf).
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This system supports Ivy Bridge processors too. The original BIOS
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won't even POST with those, but with Libreboot they work fully.
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Installation of Libreboot
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-------------------------
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You can actually just compile the Libreboot ROM for this, and flash the
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entire ROM.
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Internal flashing from OEM BIOS is possible by setting a jumper
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on the board. Step by step instructions for this are below.
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The *coreboot* project proper has technical details on why this works if
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you are interested. It also has external flashing instructions if you need
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to recover from an unbootable BIOS:
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<https://doc.coreboot.org/mainboard/hp/compaq_8200_sff.html>
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You can build the images for it in Libreboot like so:
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./build boot roms hp8200sff_8mb
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More information about building ROM images can be found in
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the [build guide](../build/).
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If you plan on using a graphics card (other than the integrated graphics of
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your CPU), choose one of the files which name contains both "seabios" and
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"txtmode".
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This is a *Sandybridge* board which means that a neutered ME image is required
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if you wish to flash the ME region. Libreboot's build system automatically
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downloads, neuters (using `me_cleaner`) and inserts this if compiling from
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source.
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If you're using *Libreboot release* ROM images, the ME image has been scrubbed
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and you must re-insert it. Use the information on this guide to know how
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to do that:
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[Insert binary blobs on Intel Sandybridge/Ivybridge/Haswell
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platforms](../install/ivy_has_common.md)
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You may also wish to change the *default MAC address* if you're planning to
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use the onboard Intel Gigabit Ethernet. You can do this using the information
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in the same guide linked above, or read the nvmutil manual:
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[Modify MAC addresses with nvmutil](../install/nvmutil.md).
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Internal flashing from vendor BIOS
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----------------------------------
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The vendor BIOS imposes write-protections in the Flash Descriptor and
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runtime. However, the flash descriptor can be bypassed by bridging a
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jumper and the runtime protections only apply to a fixed address block.
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Since neutering the Management Engine frees up a lot of space, we can
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just install an intermediate Libreboot image there. This removes all
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write-protections so has the same end result as external flashing:
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a completely unlocked system.
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Power off the computer. Remove the side panel.
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Near the back USB ports find the jumper labelled **FDO**.
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You need to short the two pins circled. Use a
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[jumper block](https://en.wikipedia.org/wiki/Jumper_(computing)) if you
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have one but a screwdriver will do the job fine too. Hold the tip
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between the pins until you can see the normal BIOS boot screen.
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Boot into an OS supported by flashrom. On Linux, make sure you add the
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kernel parameter **iomem=relaxed** which disables memory protections that
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prevent BIOS flashing.
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Now, run this command:
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flashrom -p internal -c MX25L6406E/MX25L6408E
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The output should contain the text "The Flash Descriptor Override
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Pin-Strap is set". If it doesn't, start again from the beginning.
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Now build the **4** MiB Libreboot image.
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./build boot roms hp8200sff_4mb
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More information about building ROM images can be found in
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the [build guide](../build/).
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Also build `ifdtool`. It will be needed soon.
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cd coreboot/default/util/ifdtool
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make
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sudo make install
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Now choose the image you want from `bin/hp8200sff_4mb`.
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We'll refer to it as `libreboot4.rom`. We need to pad it to 8 MiB:
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dd if=/dev/zero bs=4M count=1 >> libreboot4.rom
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Flash the Libreboot image with a tweaked layout:
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ifdtool libreboot4.rom -f layout
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flashrom -p internal -c MX25L6406E/MX25L6408E -w libreboot4.rom -l layout -i fd -i gbe -i bios -i me
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Power off the computer. Make sure to power off, rebooting is not enough!
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Power on the computer.
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Now we can flash the full 8 MiB image. Boot to an OS with flashrom
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again. On linux, remember the **iomem=relaxed** kernel parameter.
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Pick a Libreboot image of your choice from `bin/hp8200sff_8mb`
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or from a release archive. We'll refer to it as `libreboot8.rom`.
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flashrom -p internal -c MX25L6406E/MX25L6408E -w libreboot8.rom
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Power cycle the computer again.
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HP 6200 Pro Business PC
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-----------------------
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According to this page from the vendor, HP BIOS updates are the same on both
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the 8200 SFF Elite *and* 6200 Pro Business desktop PCs; therefore, we believe
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that the Libreboot config for 8200 SFF will *also* work on 6200 Pro Business
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PCs. That page is here:
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<https://support.hp.com/fi-fi/drivers/selfservice/swdetails/hp-compaq-8200-elite-small-form-factor-pc/5037931/swItemId/vc-229778-2>
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The config for this board is courtesy of *Riku Viitanen* (`Riku_V` on Libreboot
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IRC), who tested and confirmed the following functionality:
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* Sandy Bridge (i5-2400) and Ivy Bridge (i5-3570S) CPUs
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* 4x8 GB RAM (Sandy Bridge: 1333MHz, Ivy Bridge: 1600MHz)
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* PS/2 keyboard and mouse
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* USB keyboard (a bit laggy on GRUB)
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* Boot from USB and DVD
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* Gigabit ethernet
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* VGA and DisplayPort (Intel graphics), with libgfxinit (native video init)
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* Headphone output, PC speaker
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* S3 suspend, wake on USB keyboard
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* lm\_sensors outputs CPU core temperatures only
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* Both PCIe x16 slots, external GPU works with SeaBIOS
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* PCI
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* SATA
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* USB ports
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* Serial port (RS-232)
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* Wake on LAN
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At the time of adding this board to Libreboot, the following is untested:
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* Parallel port (internal header on the board)
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* Floppy drive. The case has a spot for it, but I can't find the header (P10).
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According to the initial coreboot port from 2018, the following also works:
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* EHCI debug (not enabled by Libreboot configs)
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* Native (libre) raminit with up to four DIMM modules (also tested by Riku and
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confirmed working, with 32GB RAM installed as 4x8GB)
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TPM
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---
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According to git logs, TPM should work, and a commit from 2018 at revision
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ID `39d0e2a2cf45e28cdddd0fe0c88f94ce527ab1ef` in coreboot makes the TPM visible
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to operating systems.
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PSU Fan control
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---------------
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See coreboot commit `9bd601584350f51f112b15a7369f9aa82f1d0919` - labelled
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by commit message `superio/nuvoton/npcd378: Add PSU fan control`.
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Per this commit, SuperIO-based fan control is supported on HP Elite 8200 SFF.
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TODO for testing the above is here:\
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<https://codeberg.org/libreboot/lbmk/issues/9>
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This is controlled via `nvramtool` to modify the value in sram. See:
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* `psu_fan_lvl=3` <-- default setting in coreboot, and Libreboot.
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Other values possible: from reading the source code, it is implied that the
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number can be between 0 and 7. If the value is set higher than 7, it will
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default back to 3.
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Libreboot locks CMOS/NVRAM settings, but you can change the default setting in
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the *ROM* by using the `-C` option in nvramtool. You can find this under the
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directory `coreboot/default/util/nvramtool` when downloading coreboot inside
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of lbmk by running the command:
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./download coreboot default
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Go in there and type `make` to build nvramtool. Simply run nvramtool without
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arguments, and it will show a list of options.
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