90 Appendix A: BIOS reference
•Serial port B.
This item allows you to enable or disable serial port B (the bottom serial port).
By selecting Disabled, the serial port is not configured and is turned off. It also
frees up IRQ 3 and I/O addresses 2F8h to 2FFh. By selecting Enabled, the port
is turned on, but requires that you select the base I/O address from the
subsequently displayed list of available base addresses. By selecting Auto, the BIOS
configures the serial port’s base address during POST.
Options:
-Disabled
-Enabled
-Auto (default)
• Parallel port.
This item allows you to enable or disable the parallel port.
By selecting Disabled, t he para llel po rt is no t conf igured and is t urned o ff. It al so
frees up IRQ 7 and I/O addresses 378h to 37Fh. By selecting Enabled, the port
is turned on, but requires that you select the base I/O address from the
subsequently displayed list of available base addresses. By selecting Auto, the BIOS
configures the parallel port’s base address during POST.
Options:
-Disabled
-Enabled
-Auto (default)
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