133 lines
5.3 KiB
Markdown
133 lines
5.3 KiB
Markdown
---
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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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**[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 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
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(of up to 65W TDP).
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It has a slot for a discrete MXM graphics card as well.
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Some cards work while others don't. Your mileage will vary.
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Libreboot has support for this, in the Git repository and
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release versions after (but not including) 20230423.
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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" disk (6Gbps), mSATA (3Gbps), 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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# Installation
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## Internal flashing
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Internal flashing is possible. OEM BIOS versions 2.87 and 2.90 are confirmed
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compatible with this guide. BIOS 2.05 is confirmed **not** to work.
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If you have some other BIOS version, please do tell about it on
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[IRC](https://libreboot.org/contact.html) or comment on this
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[issue](https://codeberg.org/libreboot/lbwww/issues/73),
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so this guide can be updated.
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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 flashprog support). When using Linux,
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you need to supply the kernel parameter `iomem=relaxed`.
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NOTE: Libreboot standardises on [flashprog](https://flashprog.org/wiki/Flashprog)
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now, as of 27 January 2024, which is a fork of flashrom.
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The BIOS should no longer impose any write-protections.
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You can now use `flashprog -p internal` freely.
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Take a backup of the original BIOS:
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flashprog -p internal -r oem_bios
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This is an Ivy Bridge board which means that a neutered ME image
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is required if you wish to flash the ME region. Libreboot's
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build system automatically downloads, neuters (using me_cleaner)
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and inserts this if compiling from source.
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If you're using Libreboot release ROM images, the ME image has been
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scrubbed and you must re-insert it.
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Use the information on this guide to know how to do that:
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[Insert vendor files on Intel Sandybridge/Ivybridge/Haswell
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platforms](../install/ivy_has_common.md)
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You can now flash libreboot:
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flashprog -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, Libreboot applies 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 (T15) 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](../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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