Deprecated

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This page aims to cover bits of specifications that have been deprecated in newer versions but which might still be relevant for one reason or another; however, it does not cover technologies that have been deprecated in favour of others. Care was taken to ensure that the "old" information is in its latest form in all the documents referenced.

Intel SDM

Item Where to find Comments
Intel486 test registers (TR3..TR7) Pentium MMX SDM Cache testing is performed via MSRs on newer CPUs.

UEFI specification

Item Where to find Comments
Device I/O Protocol EFI 1.10 specification Replaced by PCI Root Bridge I/O protocols.
UGA I/O + UGA Draw Protocol EFI 1.10 specification Replaced by EFI Graphics Output Protocol.
USB Host Controller Protocol EFI 1.10 specification Replaced by USB2 Host Controller Protocol.
SCSI Passthru Protocol EFI 1.10 specification Replaced by Extended SCSI Passthru Protocol.
Driver Configuration Protocol UEFI 2.0 specification (including versions with errata applied) Removed in favour of a different mechanism.

SMBIOS specification

Item Where to find Comments
Plug-and-Play function interface SMBIOS 2.6.1 specification Replaced by a table-based method.