Specifications

The following figure shows a sample schematic on AMD platforms supporting a PX5.0-
only design or PX4.0 fixed mode. For details, please refer to the AMD “Pumori”
schematic.
Figure 3–2 Power-down Sample Schematic on AMD Platforms
3.1.2 BACO Hardware Implementation
BACO hardware implementation is simplified for “Heathrow” and “Chelsea,” and is
different from “Thames.”
Please refer to the following documents for BACO hardware implementations:
• “Heathrow”/“Chelsea”/“Thames” Reference Schematics, ref140.pdf
• Application Note: Comparison of BACO Implementation between AMD’s 40-nm
Mobile ASICs and 28-nm Mobile ASICs
3.2 Software Interfaces and Requirements
3.2.1 API for Third Party Applications
The following additional functions are provided in the AMD driver library (ADL).
Please refer to the ADL documentation for details.
• Set/reset extended battery mode
• Get extended battery mode
16 Interfaces and Requirements
Muxless Switchable Graphics Technology PX5.0 Functional Specification
137-41940-10
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