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PCI/PnP ISA UMB Region Exclusion
This option reserves specific upper memory blocks for use by ISA devices. Press the up or
down arrow keys to highlight the memory block, and then use the plus or minus keys to
reserve it.
PCI/PnP IRQ Exclusion
This option reserves specific IRQs for use by ISA devices. Press the up or down arrow keys
to select the IRQ, and then use the plus or minus keys to reserve it.
PS/2 Mouse
When disabled, this selection prevents the PS/2 mouse from functioning, and frees IRQ 12.
Selecting Auto Detect allows the operating system to determine whether to enable or disable
the mouse. The default setting is Auto Detect.
Legacy USB Support
Use this setting to allow USB devices to function in alternative operating systems. Select
Enabled when using DOS and Windows 95 operating systems; select Disabled when using
Windows NT, OS/2 and UNIX operating systems. The default setting is Disabled.
NOTE Your USB device must still have and load its own drivers for a particular operating system.
Integrated Ports
Use this option to display additional setup menus for configuring peripheral devices. For
example, you may want to configure a serial port for a specific modem. Press
ENTER to
display the Integrated Ports submenu. The submenu provides the following options:
Serial Port A/B
These options configure the operation of the serial ports. Select Disable (to disable the
selected port), Enable (to allow user configuration of the selected port), Auto (to enable BIOS
or OS configuration) or OS Controlled (to allow the operating system to manage the port
configuration). The default setting is Auto.
Parallel Port
This option configures the operation of the parallel port. Select Disable (to disable the
selected port), Enable (to allow user configuration of the selected port), Auto (to enable BIOS
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