Advanced Configuration and Power Interface Specification

Processor Configuration and Control
Processor (
\_SB.CPU0,
// Processor Name
1, // ACPI Processor number
0x120, // PBlk system IO address
6) // PBlkLen
{ //Object List
Name(_PTC, Package () // Processor Throttling Control object –
// 32 bit wide IO space-based register at the address
{
ResourceTemplate(){Register(SystemIO, 32, 0, 0x120)}, // Throttling_CTRL
ResourceTemplate(){Register(SystemIO, 32, 0, 0x120)} // Throttling_STATUS
}) // End of _PTC object
Name (_TSS, Package()
{
Package() {
0x64, // Frequency Percentage (100%, Throttling OFF state)
0x0, // Power
0x0, // Transition Latency
0x7, // Control THT_EN:0 THTL_DTY:111
0x0, // Status
}
Package() {
0x58, // Frequency Percentage (87.5%)
0x0, // Power
0x0, // Transition Latency
0xF,
// Control THT_EN:1 THTL_DTY:111
0x0, // Status
}
})
Package() {
0x4B, // Frequency Percentage (75%)
0x0, // Power
0x0, // Transition Latency
0xE,
// Control THT_EN:1 THTL_DTY:110
0x0, // Status
}
Name (_TSD, Package()
{
Package(){5, 0, 0, 0xFD, 2} // 5 entries, Revision 0, Domain 0,
// OSPM Coordinate, 2 Procs
}) // End of _TSD object
Method (_TPC, 0)
{
If (\_SB.AC)
{
Return(0)
}
Else
{
Return(2)
}
} // End of _TPC method
} // End of processor object list
// Throttling Present Capabilities method
// All Throttle States are available for use.
// Throttle States 0 an 1 won’t be used.
Processor (
Version 6.0 467