Planar C3215 Clean Screen II User Manual page 34

PCI Configuration Sub-Menu
This option is used to select the PCI configuration sub-menu in order to configure the PCI
devices.
PS2 Mouse
You need to enable PS2 mouse to use USB mouse under Win 95 or NT 4.0.
Legacy USB Support
Again, you need to enable to use USB mouse under Win 95 or NT 4.0.
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Chapter Five: BIOS Setup