Miscellaneous Hardware Stuff

Pentium® II/Pentium® Pro Signal Differences

The external signals associated with the Pentium® Pro and Pentium® II processors differ as described in Table 26-1 on page 679.

Table 26-1. Pentium® II/Pentium® Pro Signal Differences
Signal(s)Description
BR[3:0]#While the Pentium® Pro processor implemented BR[3:0]#, the Pentium® II processor only implemented BR[1:0]#. For additional information, refer to “The FSB Arbitration Scheme” on page 676.
BSEL#

Bus Select. Output. Tells the frequency generator on the system board the frequency of the BCLK desired by the processor. The frequency was defined by the combination of the processor, chipset and clock synthesizer.

EMI

Electromagnetic Interference. The Slot 1 connector included ...

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