Intel Pentium 4 Processor on 90 nm Process Thermal and Mechanical Design Guidelines

Intel® Thermal/Mechanical Reference Design Information

Intel

Pentium

4 on 90 nm Process Thermal Design Guide 47

4.2.2.7 Fan Guard

An optional fan guard is available and is shown in the heatsink assembly drawings in

Appendix C. The heatsink thermal performance was validated without the fan guard attached. The

fan guard is intended to protect personnel from the fan blades during operation.

4.3 Evaluated Third-Party Thermal Solutions

Solutions that have been independently tested by an Intel-enabled third-party test house are listed

on the Intel developer web page at http://developer.intel.com

. These solutions have been tested

and found to be compliant with the minimum thermal and mechanical performance criteria for the

Pentium 4 processor with 512-KB L2 cache on 0.13 micron process and the Pentium 4 processor

Extreme Edition supporting Hyper Threading Technology

. Chassis that deliver a processor

heatsink T

of 38 °C or less may be able to use these heatsinks to meet Pentium 4 processor on 90

nm process thermal targets.

These suppliers may produce other compliant and non-compliant solutions in addition to the part

numbers that are listed below. OEM, System Integrators, and End Users are responsible for

ensuring that any solution chosen meets the thermal, mechanical, and environmental needs of

their particular system or configuration.

Hyper-Threading Technology requires a computer system with an Intel

Pentium

4 processor supporting

HT Technology and an HT Technology enabled chipset, BIOS and operating system. Performance will vary

depending on the specific hardware and software you use. See http://www.intel.com/info/hyperthreading/

for more information including details on which processors support HT Technology.