Intel Pentium 4 Processor in the 478-Pin Package Thermal Design Guidelines

Intel
®
Pentium
®
4 Processor in the 478-Pin Package Thermal Design Guidelines
R
42 Design Guide
3.1.5 Safety Requirements
Heatsink and attachment assemblies shall be consistent with the manufacture of units that meet the
safety standards:
• UL Recognition-approved for flammability at the system level. All mechanical and thermal
enabling components must be a minimum UL94V-2 approved.
• CSA Certification. All mechanical and thermal enabling components must have CSA
certification.
• Heatsink fins must meet the test requirements of UL1439 for sharp edges.