Merge pull request 'document hp8300usdt' (#67) from Riku_V/lbwww:hp8300usdt into master
Reviewed-on: https://codeberg.org/libreboot/lbwww/pulls/67c20230710
Leah Rowe
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---
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title: HP Compaq Elite 8300 USDT
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x-toc-enable: true
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...
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<div class="specs">
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<center>
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<img tabindex=1 alt="HP Compaq Elite 8300 USDT" class="p" src="https://av.libreboot.org/hp8300usdt/hp8300usdt.jpg" /><span class="f"><img src="https://av.libreboot.org/hp8300usdt/hp8300usdt.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 8300 Elite USDT |
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| **Released** | 2012 |
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| **Chipset** | Intel Q77 |
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| **CPU** | Intel Sandy/Ivy Bridge (65W max.) |
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| **Graphics** | Intel HD Graphics or MXM graphics card |
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| **Memory** | Up to 16GB (2x8GB) |
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| **Architecture** | x86_64 |
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| **Intel ME/AMD PSP** | Present, neutered |
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| **Flash chip** | SOIC-16 16MiB |
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# Introduction
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This is a small but powerful desktop using Sandy or Ivy Bridge CPUs (of up to 65W TDP).
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It has a slot for a discrete MXM graphics card, but that is currently untested.
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These features are tested and confirmed working:
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* Native raminit with both DIMMs (up to 2x8GB)
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* Libgfxinit textmode and framebuffer on both DisplayPorts and VGA
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* SeaBIOS and GRUB payloads
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* External USB2 and USB3 ports: they all work
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* USB 3.0 SuperSpeed on Linux-libre (rear, 4 ports)
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* Ethernet
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* Mini-PCIe WLAN
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* SATA: 2.5" SSD and optical drive bay
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* PS/2 keyboard and mouse
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* S3 suspend and resume, wake using USB keyboard
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* Headphone output, line out, internal speaker
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* Wake on LAN
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* Rebooting
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Untested (and likely don't work):
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* mSATA
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* eSATA
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* Discrete MXM GPU
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# Installation
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## Internal flashing
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Internal flashing is possible and very simple on this board:
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First, make sure the computer is powered off. Remove the top cover.
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The jumper labelled "FDO" (for Flash Descriptor Override) needs to be shorted.
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That removes all write protections on this board.
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We can borrow a shunt from another header on the board: PSWD. It is right
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next to the SO-DIMM RAM slots. Move it to the FDO header between the quartz
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crystal (small metal cylinder) and the power cable for the optical drive.
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Boot into an OS of your choice (that has flashrom support). When using Linux,
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you need to supply the kernel parameter `iomem=relaxed`.
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The BIOS should no longer impose any write-protections.
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You can now use `flashrom -p internal` freely.
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Take a backup of the original BIOS:
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flashrom -p internal -r oem_bios
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You can now flash libreboot:
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flashrom -p internal -w libreboot.rom
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You can now move the jumper back to its original place.
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By default,Librebootapplies no write-protection, so
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updating it can be done without the jumper anyway.
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## External flashing
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Unbricking is possible by external flashing. You first need to remove
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the optical disk drive and 2.5" HDD/SSD and the metal bracket that
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supports them. This requires you to open one torx screw in total.
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The SOIC-16 flash chip is located on the edge of the board
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near the group of yellow cubes. Follow the
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[general SPI flashing guide](http://localhost:8080/docs/install/spi.html).
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You might need to power the board by plugging it in. In that case,
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do not connect the Vcc (3v3) pin of the flash chip.
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Also make sure the board doesn't fully power on (that is, boot).
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If you don't have a suitable clip, you can also use the ROM_RCVRY header
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right next to the flash chip. By default only the footprint is present,
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so you have to solder a pin header of your own. End result can be seen
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and the pinout can be seen in the photo earlier. Consult the HP service
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manual (page 241) on how to remove the motherboard from the chassis.
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<http://web.archive.org/web/20210305234331/https://h10032.www1.hp.com/ctg/Manual/c03612798.pdf>
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If you do this, you have to reapply thermal paste.
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That might be a good idea anyway, considering how old these are getting
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@ -26,6 +26,7 @@ libreboot currently supports the following systems in this release:
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- [Intel D510MO and D410PT motherboards](d510mo.md)
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- [Intel D510MO and D410PT motherboards](d510mo.md)
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- [Apple iMac 5,2](imac52.md)
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- [Apple iMac 5,2](imac52.md)
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- [HP Elite 8200 SFF](hp8200sff.md) (HP 6200 Pro Business probably works too)
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- [HP Elite 8200 SFF](hp8200sff.md) (HP 6200 Pro Business probably works too)
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- [HP Elite 8300 USDT](hp8300usdt.md)
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### Laptops (Intel, x86)
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### Laptops (Intel, x86)
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