Introduction
About This Manual
This document is intended for Original Equipment Manufacturers and BIOS vendors creating Intel® 5 Series Chipset and Intel® 3400 Series Chipset based products. This document is for the following components:
• Intel® 5 Series Chipset
   — Intel® P55 Express Chipset
   — Intel® H55 Express Chipset
   — Intel® H57 Express Chipset
   — Intel® Q57 Express Chipset
   — Intel® B55 Express Chipset
   — Intel® PM55 Express Chipset
   — Intel® QM57 Express Chipset
   — Intel® HM55 Express Chipset
   — Intel® HM57 Express Chipset
   — Intel® QS57 Express Chipset
• Intel® 3400 Series Chipset
   — Intel® 3400 Chipset
   — Intel® 3420 Chipset
   — Intel® 3450 Chipset
Section 1.3 provides high-level feature differences for the Intel® 5 Series Chipset and Intel® 3400 Series Chipset.