Intel D815EGEW Computer Hardware User Manual


 
Desktop Board Features
13
Real-Time Clock (with 256-byte battery backed CMOS RAM)
AC ’97 digital link for:
AC ’97 2.1 compliant
Logic for audio in, audio out, and mic input
PCI functions for audio
Supports two Master/DMA devices
Firmware Hub (FWH)
The 4 Mbit Firmware Hub has these features:
System BIOS
System security and management logic
Input/Output (I/O) Controller
The board supports the National PC87360 I/O controller.
The I/O controller provides the following features:
3.3 V operation
One serial port
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
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.
USB Support
The desktop board has two back panels USB ports. You can connect two USB peripheral devices
directly to the computer without an external hub. To attach more than two devices, connect an
external hub to either of the built-in ports.
The desktop board supports the Universal Host Controller Interface (UHCI) and takes advantage of
standard software drivers written to be compatible with UHCI.