July 2004
Intermediate to advanced
1744 pages
35h 3m
English
Content preview from The Unabridged Pentium 4 IA32 Processor Genealogy
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The FSB Characteristics
Uses the Pentium® 4 FSB Protocol
The FSB uses the same protocol as the Pentium® 4 processor family. The BCLK speed is 100MHz (rather than 200MHz as on the Pentium® 4). The address bus width is 32 bits consisting of A[31:3]# (rather than 36 bits as on the Pentium® 4's FSB).
Pentium® M-Specific Signals
The signals in Table 58-1 on page 1428 are specific to the Pentium® M processor (i.e., they are not found on the Pentium® 4 family processors).
| Signal | Input/Output | Description |
|---|---|---|
| PSI# | Output | Power Status Indicator. Asserted when the processor is in the Deep Sleep or Deeper Sleep power management state. Asserted upon Deep Sleep entry and deasserted upon exit. PSI# can be provided as an input to ... |
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