The Intel® 82801DB (ICH4) is a Southbridge chipset designed for Intel Pentium 4 and Celeron processors, supporting DDR SDRAM, ATA-100, and USB 2.0. It provides integrated AC’97 audio, Ethernet, and RAID functionality. The ICH4 features enhanced PCI performance, supporting up to 8 PCI devices, and offers power management capabilities for improved system efficiency.
