Premio Computer Apollo/Shadowhawk - Manual (Page 52)

Product Description
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1.8.5 Intel ® 82802AB 4 Mbit Firmware Hub (FWH)
The FWH provides the following:
• System BIOS program
• Logic that enables protection for storing and updating of platform information
1.9 I/O Controller
The SMSC LPC47M142 I/O controller provides the following features:
• 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 or 1.44 MB diskette drive
• Intelligent power management, including a programmable wake-up event interface
• PCI power management support
• Two fan tachometer inputs
• Integrated USB hub
• IrDA compliant infrared port
The BIOS Setup program provides configuration options for the I/O controller.
✏
NOTE
For the D845HV board only, there is a manufacturing option for an SMSC LPC47M132 I/O
controller. This optional I/O controller provides identical functionality to the standard I/O
controller, minus the integrated USB hub.
For information about Refer to
SMSC LPC47M142 I/O controller http://www.smsc.com
1.9.1 Serial Ports
The D845HV and D845WN boards have two serial port connectors. Serial port A is located on the
back panel. Serial port B is accessible using a connector located near the main power connector.
The serial ports’ NS16C550-compatible UART supports data transfers at speeds up to
115.2 kbits/sec with BIOS support. The serial ports can be assigned as COM1 (3F8h),
COM2 (2F8h), COM3 (3E8h), or COM4 (2E8h).
✏
NOTE
The operation of serial port B and the infrared port are mutually exclusive. When serial port B is
enabled in the BIOS Setup program, the IR option is disabled.