参数资料
型号: RN80532KC041512
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 2000 MHz, MICROPROCESSOR, CPGA603
封装: Interposer, Micro, PGA-603
文件页数: 41/129页
文件大小: 1640K
代理商: RN80532KC041512
Intel Xeon Processor with 512 KB L2 Cache
Datasheet
19
NOTES:
1. Diagram not to scale.
2. No specifications for frequencies beyond fcore (core frequency).
3. fpeak, if existent, should be less than 0.05 MHz.
2.5.1
Mixing Processors
Intel only supports those processor combinations operating with the same front side bus frequency,
core frequency, VID settings, and cache sizes. Not all operating systems can support multiple
processors with mixed frequencies. Intel does not support or validate operation of processors with
different cache sizes. Mixing processors of different steppings but the same model (as per CPUID
instruction) is supported, and is outlined in the Intel Xeon Processor Specification Update.
Additional details are provided in AP-485, the Intel Processor Identification and the CPUID
Instruction application note.
Unlike previous Intel Xeon processors, the Intel Xeon processor with 512 KB L2 cache does
not sample the pins IGNNE#, LINT[0]/INTR, LINT[1]/NMI, and A20M# to establish the core to
front side bus ratio. Rather, the processor runs at its tested frequency at initial power-on. If the
processor needs to run at a lower core frequency, as must be done when a higher speed processor is
added to a system that contains a lower frequency processor, the system BIOS is able to effect the
change in the core to front side bus ratio.
Figure 2. Phase Lock Loop (PLL) Filter Requirements
0 dB
-28 dB
-34 dB
0.2 dB
forbidden
zone
-0.5 dB
forbidden
zone
1 MHz
66 MHz
fcore
fpeak
1 Hz
DC
passband
high frequency
band
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