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Input/Output (I/O) Controller
The SMSC LPC47M172 or National Semiconductor PC87372 super I/O controllers feature the
following:
Low pin count (LPC) interface
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
Audio Subsystem
The audio subsystem features the following:
Intel 845PE chipset (AC '97)
Analog Devices Inc. AD1981B audio codec
NOTE
The line out connector, located on the back panel, is designed to power either headphones or
amplified speakers only. Poor audio quality may occur if passive (non-amplified) speakers are
connected to this output.
Audio drivers and utilities are available from Intel's World Wide Web site:
http://support.intel.com/support/motherboards/desktop/
LAN Subsystem (Optional)
The optional Intel 82562ET (with the Intel 82801DB ICH4) provides a Fast PCI LAN subsystem
providing both 10Base-T and 100Base-TX connectivity. The Intel 82562ET provides the
following functions:
Basic 10/100 Ethernet LAN connectivity
Supports RJ-45 connector with status indicator LEDs
Programmable transit threshold
Configurable EEPROM that contains the MAC address
LAN Subsystem Software
For LAN software and drivers, refer to the D845PESV link on Intel's World Wide Web site at:
http://support.intel.com/support/motherboards/desktop
Desktop Board Features
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