Intel Pentium 4 User Manual

I/O Controller Hub 2
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154 Intel
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Pentium
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4 Processor / Intel
®
850 Chipset Family Platform Design Guide
9.7.1 PCI Routing – Four-Layer Motherboard
PCI signals are routed with 5mil trace width and 5mil trace to trace spacing. The PCI signals are
routed on the bottom side of the boards and should be referenced to VCC3.3. Minimize the
number of PCI signals that cross power splits.
Figure 110. Example PCI Power Planes on Layer 2
Vcc
Vcc3

Intel Pentium 4 Specifications

General

Architecture	x86
Core Count	1
Microarchitecture	NetBurst
Manufacturer	Intel
Core Names	Willamette, Northwood, Prescott, Cedar Mill
Virtualization Technology	No
Release Date	November 20, 2000
Clock Speed	1.3 GHz to 3.8 GHz
FSB Speed	400 MHz to 1066 MHz
Socket	Socket 423, Socket 478, LGA 775
Introduced	2000
Product Line	Pentium
Front Side Bus	400 MHz to 1066 MHz
Hyper-Threading	Yes (Prescott and later)
64-bit Support	Yes (Prescott and later)
Instruction Set	MMX, SSE, SSE2, SSE3
Discontinued	2008
Process Technology	180 nm, 130 nm, 90 nm, 65 nm
L2 Cache	256 KB, 512 KB, 1 MB, 2 MB
Lithography	180 nm, 130 nm, 90 nm, 65 nm
L1 Cache	8 KB