Specifications

Table Of Contents
Acronym or Abbreviation Definition
GPU
Acronym for “Graphics Processor Unit.”
iGPU
Acronym for “Integrated Graphics Processor Unit.”
Integrated Graphics
A graphics device integrated with the Northbridge or CPU.
LDA
Acronym for “Linked Adapter Mode.” A mode determined at driver load
where one adapter with its displays is exposed to applications, but
rendering can be done on multiple adapters.
Muxless PX
AMD PowerXpress™ with no display output multiplexers.
PX/SG
Acronym for “AMD PowerXpress/Switchable Graphics.”
SBIOS
Acronym for “System BIOS.”
UI
Acronym for “User Interface.”
VBIOS
Acronym for “Video BIOS.”
1.4 Feature Compatibility with Platforms
Platform
Codename
OpenGL
on the
dGPU
under
the
Dynamic
Scheme
OpenCL™ on
the dGPU
under the
Dynamic
Scheme
Extended
Battery
Mode
under
the
Dynamic
Scheme
OEM PX
Application
Profile
BACO
under
the
Dynamic
Scheme
Dynamic-
zero
under the
Dynamic
Scheme
Fixed
Scheme
AMD “Comal”
Yes Yes Yes Yes Yes Yes No
AMD “Sabine,”
AMD “Brazos”
No Yes No No Yes No Yes
Intel Chief
River
Yes Yes Yes Yes Yes Yes No
Intel Huron
River (New
Designs)
Yes Yes Yes Yes Yes Yes No
Intel Huron
River (Existing
Designs)
No Yes No No Yes No Yes
1.5 References
ACPI Control Methods and Notifications, revision 0.28 or later.
Switchable Graphics ACPI Control Methods, revision 0.26 or later.
AMD PowerXpress ACPI Control Methods, revision 0.26A or later.
Muxless ATI
TM
Switchable Graphics PX3.0 Functional Specification,
(48456_mlsgpx3_spec_nda_30).
Muxless ATI Switchable Graphics PX4.0 Functional Specification,
(48551_mlsgpx4_spec_nda).
AMD Driver Library (ADL) documentation.
Note: Contact your local AMD technical representative for the latest document
revisions.
2 Introduction
Muxless Switchable Graphics Technology PX5.0 Functional Specification
137-41940-10
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