Dodoid's Computing Freedom Table

Shown configurations are the most-free currently attainable on each model and may not reflect that model's configuration as-sold.

Legend:
FreeProprietaryMixed Free and ProprietaryProprietary, but fully disableableProprietary, but partial info/RE work availableUnknownUndefinedNot Present

Supermicro H8DGI

server/supermicro/h8dgi (platform-server)

Property Description
Manufacturer
Supermicro
Model
H8DGI
Year
2010
Max CPU
2x AMD Opteron 6386 SE
Max RAM
512GB, possibly 1TB
16x32GB DDR3-1600 ECC RDIMM. 16x64GB (for 1TB) may also be possible but is untested.
Image
AMD logo, credit AMD (http://1.bp.blogspot.com/-T9mmhti40Wo/UAFdCQjPZqI/AAAAAAAAAL4/6fxKBk2BZ8E/s1600/Amd+2.png)
Software: User-Facing Environment
Free
Software: Operating System
Free
Software: Bootloader/Recovery
Free
Firmware: Trusted Execution Environment (e.g. x86 SMM)
Free (coreboot)
Firmware: Late Boot/Payload
Free (coreboot)
Firmware: Platform Initialization
Free (coreboot)
Firmware: Graphics Initialization
Proprietary if VGA used (WPCM450 Option ROM)
The Nuvoton WPCM450 BMC used by the Supermicro H8* boards provides the onboard VGA output with its integrated Matrox G200eW display adapter. Video output from these BMCs requires a proprietary Option ROM. If the onboard VGA is not required, this Option ROM can be excluded.
Firmware: Memory Initialization
Free (coreboot)
Firmware: Early Boot (incl. RoT)
Free (coreboot)
Firmware: Boot ROM
None
x86 CPUs don't have true "software" boot ROMs in mask ROM (such as those in many ARM SoCs). Most x86 platforms map the firmware in SPI flash directly into address space at the reset vector, where it can be executed in-place. Prior to this, some early initialization may be performed by the ROM microcode, or by coprocessors (such as the ME/PSP) if present.
Firmware Signing
None
CPU Microcode
Proprietary, RE possible on fam10h CPUs
On K10-microarchitecture CPUs (e.g. fam10h Opterons of the 4100- and 6100-series, microcode updates are neither signed nor encrypted, and have been succesfully modified (modifying the behaviour of instructions to insert and trigger proof-of-concept backdoors) as part of RUB-Sysstat's "Microcode" project (paper, GitHub). On later CPUs (e.g. 6200/6300-series Opterons), microcode is encrypted.
Management Coprocessor: Firmware
None
Board Management Controller: Firmware
Proprietary BMC, disableable by jumper
Network Interface: Internal Firmware
None, unless you install one
Network Interface: Host-Loaded Firmware
None, unless you install one
Security Coprocessor: Firmware
None, but has TPM header (TPM can be added)
Embedded Controller: Firmware
None, EC-like functions on BMC
Hardware: Board Electrical Schematic
Proprietary
Hardware: Board PCB Design
Proprietary
Hardware: CPU Instruction Set
Proprietary (x86_64)
Hardware: CPU/SoC Implementation
Proprietary (AMD K10/Bulldozer/Piledriver)
Hardware: CPU/SoC Synthesis Toolchain
Proprietary

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