Intel D850EMV2 Product Guide - Page 13

Intel® 82801BA I/O Controller Hub (ICH2), Firmware Hub (FWH), Input/Output (I/O) Controller - ports

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Desktop Board Features Intel® 82801BA I/O Controller Hub (ICH2) The ICH2 has these features: • Integrated Intel® Ethernet LAN MAC (external PLC required) • Support for the PCI interface • Support for the Low Pin Count (LPC) interface • Integrated IDE controller • Support for CNR • General purpose I/O • Power management logic • Support for the System Management Bus • Real-Time Clock • Support for AC '97 audio devices and modems Firmware Hub (FWH) The FWH has these features: • System BIOS • System security and manageability logic that enables protection for storing and updating of platform information Input/Output (I/O) Controller The SMSC LPC47M142-NC LPC bus I/O controller features the following: • 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 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

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Desktop Board Features
13
Intel
®
82801BA I/O Controller Hub (ICH2)
The ICH2 has these features:
•
Integrated Intel
®
Ethernet LAN MAC (external PLC required)
•
Support for the PCI interface
•
Support for the Low Pin Count (LPC) interface
•
Integrated IDE controller
•
Support for CNR
•
General purpose I/O
•
Power management logic
•
Support for the System Management Bus
•
Real-Time Clock
•
Support for AC ’97 audio devices and modems
Firmware Hub (FWH)
The FWH has these features:
•
System BIOS
•
System security and manageability logic that enables protection for storing and updating of
platform information
Input/Output (I/O) Controller
The SMSC LPC47M142-NC LPC bus I/O controller features the following:
•
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 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.