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107 lines
4.8 KiB
Markdown
107 lines
4.8 KiB
Markdown
---
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layout: doc
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title: Hardware Selection Tree
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permalink: /guides/hardware-tree/
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redirect_from:
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- /en/guides/hardware-tree/
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---
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# Hardware Selection Tree #
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Selecting the appropriate hardware for Qubes R4.0 can be a complex choice.
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This document aims to simplify that.
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Click on the links, read the supporting information if desired, reach a conclusion.
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**Note** Qubes does not endorse any of the manufacturers or methods listed.
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### Start here ###
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Are you concerned about potential manufacturer [hardware backdoors](https://libreboot.org/faq.html#intel)?
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[Yes](/guides/hardware-tree/#concerned)
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[No](/guides/hardware-tree/#unconcerned)
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### Concerned ###
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Are you concerned about [blobs](https://www.coreboot.org/Binary_situation) being used to initialize hardware?
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[Yes](/guides/hardware-tree/#init)
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[No](/guides/hardware-tree/#mecleaner)
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[No, but I want AMD](/guides/hardware-tree/#amd)
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### Init ###
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Nearly all R4.0 capable systems require at least a CPU microcode blob, and often one for video BIOS.
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However, there are still some options when it comes to running the [proprietary, unaudited code](https://www.coreboot.org/Intel_Management_Engine#Freedom_and_security_issues) for hardware initialization.
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Do you want:
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[AMD](/guides/hardware-tree/#amd)
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[Intel](/guides/hardware-tree/#intel)
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### AMD ###
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If you don't mind older/used hardware, there are some options if you do not want [PSP initialization](https://libreboot.org/faq.html#amd-platform-security-processor-psp).
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All new AMD hardware comes with PSP.
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In theory there is an option to partially disable it, but no motherboard/BIOS manufacturers have made it available yet.
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Form factor?
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[Laptop](/guides/hardware-tree/#amd-laptop)
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[Desktop](/guides/hardware-tree/#amd-desktop)
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### AMD Laptop ###
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DIY corebooted used [Lenovo G505s](https://www.coreboot.org/Board:lenovo/g505s) with [microcode patch](https://review.coreboot.org/#/c/coreboot/+/22843/).
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### AMD Desktop ###
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DIY or commercially available corebooted (or librebooted?) [KCMA-D8](https://www.coreboot.org/Board:asus/kcma-d8)/[KGPE-D16](https://www.coreboot.org/Board:asus/kgpe-d16).
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Vikings is one vendor that appears to sell these.
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If used with Opteron Series 2 processors, no microcode blob is required.
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### Intel ###
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Unfortunately, all R4.0 capable Intel hardware requires use of at least the [BUP portion](https://github.com/corna/me_cleaner/wiki/HAP-AltMeDisable-bit) of Intel ME.
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[Weaknesses](https://mobile.twitter.com/rootkovska/status/938458875522666497) have been found in this proprietary, non-owner-controlled code.
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There are some ways to restrict Intel ME after the initial BUP.
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[Commercial](/guides/hardware-tree/#intel-commercial)
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[DIY](/guides/hardware-tree/#intel-diy)
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### Intel Commercial ###
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These vendors have systems available that partially disable Intel ME after the initial hardware initialization: System76, Purism, Dell.
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Implementations vary, so research the vendors.
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Prefer ones that use Coreboot instead of closed-source, [proprietary](https://www.kb.cert.org/vuls/id/758382) [UEFI firmware](https://www.securityweek.com/researchers-find-several-uefi-vulnerabilities).
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Search the [HCL](https://www.qubes-os.org/hcl/) for a compatible system.
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[Search the mailing list](https://www.mail-archive.com/qubes-users@googlegroups.com/) for additional reports.
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### Intel DIY ###
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Closed-source, proprietary UEFI firmware has its own [set](https://www.kb.cert.org/vuls/id/758382) of [vulnerabilities](https://www.securityweek.com/researchers-find-several-uefi-vulnerabilities).
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Do these concern you?
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[Yes](/guides/hardware-tree/#coreboot)
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[No](/guides/hardware-tree/#mecleaner)
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### Coreboot ###
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Cross reference [Coreboot](https://www.coreboot.org/Supported_Motherboards) capable systems with the [HCL](/doc/hcl).
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See also the [board freedom index](https://www.coreboot.org/Board_freedom_levels).
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[Search the mailing list](https://www.mail-archive.com/qubes-users@googlegroups.com/) for additional reports.
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Flash your system with Coreboot, including [ME_Cleaner](https://github.com/corna/me_cleaner).
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### MECleaner ###
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Search the [HCL](https://www.qubes-os.org/hcl/) for a compatible system.
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[Search the mailing list](https://www.mail-archive.com/qubes-users@googlegroups.com/) for additional reports.
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Follow the instructions [here](https://github.com/corna/me_cleaner) to partially disable Intel ME.
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### Unconcerned ###
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Search the [HCL](https://www.qubes-os.org/hcl/) for an R4.0 compatible system.
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[Search the mailing list](https://www.mail-archive.com/qubes-users@googlegroups.com/) for additional reports.
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If selecting a desktop, you may also want to include and use a third party NIC in an expansion slot instead of the onboard Ethernet.
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This will help avoid overt network communications from onboard management.
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This is often not an option in laptops with manufacturer firmware due to the use of NIC whitelists.
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