Intel D845WN Product Guide - Page 13
Intel® 82801BA I/O Controller Hub (ICH2), Firmware Hub (FWH), Input/Output (I/O) Controller - pins
UPC - 735858149198
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Desktop Board Features Intel® 82801BA I/O Controller Hub (ICH2) The Intel 82801BA I/O Controller Hub integrates many I/O functions and provides the I/O subsystem with access to the rest of the platform. ICH2 features on D845HV and D845WN boards includes: • Integrated IDE controller supports two Ultra DMA-33 and ATA-66/100 channels, BMIDE and PIO modes • SMBus interface • FWH interface • Low Pin Count (LPC) interface • AC'97 2.1 compliant link for audio and telephony CODECs • Integrated Intel 82562ET 10/100 Mbit/sec Platform LAN Connect (PLC) device for interfacing the ICH2 LAN connect interface to LAN connect component • Two UHCI USB 1.1 compliant host controllers with four ports (additional ports are provided by the I/O controller) Firmware Hub (FWH) The 4 Mbit Firmware Hub has these features: • System BIOS • System security and management logic Input/Output (I/O) Controller The SMSC LPC47M142 ultra I/O controller features the following: • Low pin count (LPC) interface • 3.3 V operation • Two serial ports (one via a board connector) • 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 one 1.2 MB, 1.44 MB, or 2.88 MB diskette drive • Intelligent power management, including a programmable wake up event interface • PCI power management support • Two fan tachometer inputs Real-Time Clock The desktop boards have a time-of-day clock and 100-year calendar. A battery on the desktop board keeps the clock current when the computer is turned off. 13