Specifications

Table Of Contents
3
Interfaces and Requirements
3.1 OEM Specific PX Application Profiles
The following table outlines the requirements of the platform implementation on
PX4.0 and PX5.0 designs.
Details are described in dGPU Power-down Implementation (for the Dynamic-zero or
the Fixed Scheme) and BACO Hardware Implementation.
PX4.0 Design
PX5.0-only Design
Dynamic Only Fixed Only Dynamic and Fixed
BACO Hardware
Implementation
Required Not required Required Not required*
dGPU Power-down
Implementation (for the
Dynamic-zero or Fixed
Scheme)
Not required Required Required Required
Note: * For AMD “Comal” platforms, please refer to the “Comal” design guidance.
3.1.1 dGPU Power-down Implementation (for the Dynamic-zero or the Fixed Scheme)
Reset and power control to the dGPU are required to support full dGPU power off.
The following figure shows a high-level platform implementation supporting a PX5.0-
only design or PX4.0 fixed mode.
Figure 3–1 High-level dGPU Power-down Implementation for Dynamic-zero or Fixed Mode
© 2011 Advanced Micro Devices, Inc.
Proprietary and Confidential - Do not duplicate.
Muxless Switchable Graphics Technology PX5.0 Functional Specification
137-41940-10