S845WD1-E Server Board - Viglen Download

Functional Architecture
S845WD1-E Server Board TPS
• Serial IRQ interface compatible with serialized IRQ support for PCI systems
• PS/2-style mouse and keyboard interfaces
• Interface for two 1.2 MB, 1.44 MB, or 2.88 MB diskette drives
• Intelligent power management, including a programmable wake up event interface
• PCI power management support
• Fan control:
- Four fan control outputs
- Four fan tachometer inputs
The BIOS Setup program provides configuration options for the I/O controller.
For information about
SMSC LPC47M102 I/O controller
Refer to
http://www.smsc.com
3.3.1 Serial Ports
The S845WD1-E server board has one 9-pin D-sub serial port connector and one 2 x 5 serial
port connector. The serial port A connector is located on the back panel. The serial port B
connector 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 location of the serial port A connector Figure 1
The signal names of the serial port A connector Table 28
The location of the serial port B connector Figure 1
The signal names of the serial port B header Table 29
3.3.2 Parallel Port
The 25-pin D-Sub parallel port connector is located on the back panel. In the BIOS Setup
program, the parallel port can be set to the following modes:
• Output only (PC AT * -compatible mode)
• Bi-directional (PS/2* compatible)
• EPP
• ECP
For information about
Refer to
The location of the parallel port connector Figure 1
Setting the parallel port’s mode Table 42
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Intel order number A93850-002
Revision 2.0