Intel S845WD1-E Product Guide - Page 15

Intel 82801BA I/O Controller Hub (ICH2) The Intel 82801BA ICH2 has these features: • 33 MHz Peripheral Component Interface (PCI) Local Bus slots supporting PCI specification, Rev 2.2. • Support for the Low Pin Count (LPC) interface. • Integrated IDE controller (supports Ultra ATA-66/100 mode and Ultra DMA 33 mode). • Integrated LAN media access controller. • Universal Serial Bus Interface with two USB controllers providing two back panel ports, and the option for two front panel ports, in a Universal Host Controller Interface (UHCI) implementation. • Power management logic (ACPI Rev 1.0b compliant). • Support for the System Management Bus routed to:  All PCI Slots  S5 wake from all PCI slots • Real-Time Clock (with 256-byte battery backed CMOS RAM). • Supports two Master/DMA devices. Intel 82802AB Firmware Hub (FWH) The Intel 82802AB Firmware Hub (FWH) includes a 4 megabit symmetrical flash memory device. Internally, the device is grouped into eight 64 KB blocks that are individually erasable, lockable, and unlockable. The FWH provides the following: • System BIOS program • Logic that enables protection for storing and updating of platform information I/O Controller The SMSC LPC47M102 I/O Controller provides the following features: • Low pin count (LPC) interface • 3.3 V operation • One serial port and one serial port header • One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support • Serial IRQ interface compatible with serialized IRQ support for PCI systems • PS/2-style mouse and keyboard interfaces • Interface for two 1.2 MB, 1.44 MB, or 2.88 MB diskette drives • Intelligent power management, including a programmable wake up event interface • PCI power management support • Fan control:  Four fan control outputs  Four fan tachometer inputs The BIOS Setup program provides configuration options for the I/O controller. Description 15