Specifications

Table 5–2 (Cont.) System Board Setup Options
SCU Setup Field Settings Comments
Parallel port Disabled Disables any desired on-board
printer port.
4
Enabled
Base address 378h
compatible
1
Base address 378h
bi-directional
Base address 278h
compatible
Base address 278h
bi-directional
Enables bi-directional mode
(PS/2 compatible) or compatible
mode (PC AT Centronics
compatible).
4
378h is LPT1.
Serial port 1 Disabled Disables any desired on-board
serial port at the specified base
address.
4
Enabled
Base address 03F8h
1
Base address 02F8h
Base address 03E8h
Enables any desired on-board
serial port.
4
3F8 is COM1.
Serial port 2 Disabled Disables any desired on-board
serial port at the specified base
address.
4
Enabled
Base address 02F8h
1
Base address 03E8h
Base address 02E8h
Enables any desired on-board
serial port.
4
2F8 is COM2.
COM1 redirection,
COM2 redirection
Disabled
1
Disables redirection of video
signals to the COM1 or COM2
serial ports.
Enabled
1200 baud
2400 baud
9600 baud
Allows the use of "scan-code"
terminals to act as the system
console through the COM1 and
COM2 serial ports.
5 6
1
Default.
4
Refer to the appropriate section after this table for further explanation.
5
Overall system performance will be degraded if this option is enabled but not used.
6
Redirection is not available for the COM3 and COM4 serial ports.
(continued on next page)
System Configuration 5–13