參數(shù)資料
型號: BX80532KC1900E
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: 1900 MHz, MICROPROCESSOR
文件頁數(shù): 106/132頁
文件大?。?/td> 2316K
代理商: BX80532KC1900E
Intel Xeon Processor MP with up to 2MB L3 Cache
6-1
Features
Features
6
6.1
Power-On Configuration Options
Intel Xeon processor MP on the 0.13 micron process processor members have several
configuration options that are determined by the state of specific processor pins at the active-to-
inactive transition of the processor RESET# signal. These configuration options cannot be changed
except by another reset. Both power on and software induced resets reconfigure the processor(s).
NOTES:
1. Asserting this signal during active-to-inactive edge of RESET# will selects the corresponding option.
6.2
Clock Control and Low Power States
The Intel Xeon processor MP on the 0.13 micron process processor allows the use of AutoHALT,
Stop-Grant and Sleep states to reduce power consumption by stopping the clock to internal sections
of the processor, depending on each particular state. See Figure 41 for a visual representation of the
processor low power states.
Due to the inability of processors to recognize bus transactions during the Sleep state,
multiprocessor Intel Xeon processor MP on the 0.13 micron process processor based systems are
not allowed to simultaneously have one processor in Sleep state and the other processors in Normal
or Stop-Grant state.
6.2.1
Normal State—State 1
This is the normal operating state for the processor.
6.2.2
AutoHALT Powerdown State—State 2
AutoHALT is a low power state entered when the processor executes the HALT instruction. The
processor will transition to the Normal state upon the occurrence of SMI#, BINIT#, INIT#,
LINT[1:0] (NMI, INTR), or an interrupt delivered over the system bus. RESET# will cause the
processor to immediately initialize itself.
Table 34. Power-On Configuration Option Pins
Configuration Option
Pin
Notes1
Output tri state
SMI#
Execute BIST (Built-In Self Test)
INIT#
In Order Queue de-pipelining (set IOQ depth to 1)
A7#
Disable MCERR# observation
A9#
Disable BINIT# observation
A10#
APIC cluster ID (0-3)
A[12:11]#
2
Disable bus parking
A15#
Disable Hyper-Threading Technology
A31#
Symmetric agent arbitration ID
BR[3:0]#
3
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