Desktop Board Features
15
Input/Output (I/O) Controller
The SMSC LPC47M172 super I/O controllers feature the following:
• Low pin count (LPC) interface
• 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
Audio Subsystem
The audio subsystem includes the following:
• Intel 82801DB I/O Controller Hub (ICH4)
• Analog Devices Inc. AD1980B audio codec
• SoundMAX Cadenza
• Microphone input that supports either of the following:
One single dynamic, condenser, or electret microphone
Dual microphones for use with voice recognition software
The following connectors are included in the subsystem:
• Front panel analog audio connector that can be used as a connector for routing the following
signals to the front panel (see page 34 for more information). The connector/jumper block
includes pins for:
Front left/right out
Mic in
• Back panel analog audio connectors:
Front left/right out (6-channel) or line out (2-channel)
Center/Low Frequency Effects (LFE) out (6-channel)
Rear left/right out (6-channel)
Line in
Mic in
• Back panel digital audio (S/PDIF) connectors:
RCA
Toslink (optical)
• ATAPI-style CD-ROM connector
Audio drivers and utilities are available from Intel’s World Wide Web site:
http://support.intel.com/support/motherboards/desktop/
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