Intel D815EEA2 Product Guide - Page 18

Intel D815EEA2 - Desktop Board Motherboard Manual

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Intel Desktop Boards D815EEA2, D815EPEA2, D815EFV, and D815EPFV Product Guide Firmware Hub (FWH) The 4 Mbit Firmware Hub has these features: • • System BIOS System security and management logic Input/Output (I/O) Controller The boards support either the SMSC LPC47M132 or optional SMSC LPC47M142 LPC bus I/O controller. Both I/O controllers provide the following features Low pin count (LPC) interface 3.3 V operation Two serial ports 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 Fan control  One fan control output (fan 2)  Two fan tachometer inputs (fan 1 and fan 2) 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 boards have four back panel USB ports. Front panel USB support is available as an option to provide an additional two 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. With the optional SMSC LPC47M142 I/O controller, the boards support up to seven USB ports. The SMSC LPC47M142 I/O controller provides four ports: two ports implemented with stacked back panel connectors and two ports routed to the optional front panel USB connector at location J8F1. The ICH2 provides three ports: two ports are implemented with stacked back panel connectors and the other port is accessible through a CNR add-in card. The desktop board supports the Universal Host Controller Interface (UHCI) and takes advantage of standard software drivers written to be compatible with UHCI. 18

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Intel Desktop Boards D815EEA2, D815EPEA2, D815EFV, and D815EPFV Product Guide
18
Firmware Hub (FWH)
The 4 Mbit Firmware Hub has these features:
•
System BIOS
•
System security and management logic
Input/Output (I/O) Controller
The boards support either the SMSC LPC47M132 or optional SMSC LPC47M142 LPC bus I/O
controller.
Both I/O controllers provide the following features:
•
Low pin count (LPC) interface
•
3.3 V operation
•
Two serial ports
•
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
•
Fan control
One fan control output (fan 2)
Two fan tachometer inputs (fan 1 and fan 2)
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 boards have four back panel USB ports.
Front panel USB support is available as an
option to provide an additional two 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.
With the optional SMSC LPC47M142 I/O controller, the boards support up to seven USB ports.
The SMSC LPC47M142 I/O controller provides four ports:
two ports implemented with stacked
back panel connectors and two ports routed to the optional front panel USB connector at location
J8F1.
The ICH2 provides three ports:
two ports are implemented with stacked back panel
connectors and the other port is accessible through a CNR add-in card.
The desktop board supports the Universal Host Controller Interface (UHCI) and takes advantage of
standard software drivers written to be compatible with UHCI.