
Functional Architecture
S875WP1-E TPS
Revision 4.0
20
3.4 I/O
Controller
The SMSC* LPC47M102 I/O Controller provides the following features:
•
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 1.44 MB diskette drive
•
Intelligent power management, including a programmable wake-up event interface
•
PCI power management support
The BIOS Setup program provides configuration options for the I/O controller.
For information about
Refer to
SMSC LPC47M172 I/O controller
http://www.smsc.com
3.4.1 Serial
Ports
The Intel Server Board S875WP1-E has one 9-pin D-sub serial port connector and one 2 x 5
serial port header. The serial port A connector is located in the rear I/O area. The serial port B
header is 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).
For information about
Refer to
The signal names of the serial port A connector
Table 33
The location of the serial port B header
Figure 1
The signal names of the serial port B header
Table 34