Settings in BIOS Setup Advanced - advanced system configuration
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Primary The first IDE hard disk controller is enabled (default entry). Two
IDE drives (preferably high-speed hard disks) can be attached to
the first (primary) connector. IRQ14 is occupied.
Primary And Secondary
Primary and secondary IDE drive controllers are activated (default
entry). Up to four IDE drives can be connected. Low-speed drives
are preferred for the second (secondary) connector (e.g. CD-
ROM). IRQ14 and IRQ15 are occupied.
Disabled The two IDE hard disk controller are disabled.
Mouse Controller
This field is used to enable and disable the built-in mouse controller on the system
board.
Enabled The mouse controller is enabled (default entry)- IRQ 12 is used. .
Disabled The mouse controller is disabled - IRQ 12 is free.
Audio Controller
This field sets the base address for the audio controller on the system board or
disables the audio controller.
Enabled The system BIOS determines which system resources (interrupts,
addresses, DMAs) are occupied (default entry).
Disabled The audio controller is disabled.
USB Controller
switches the USB controller (Universal Serial Bus) of the system board on or off.
Enabled The system BIOS determines which system resources (interrupts,
addresses) are occupied.
Disabled The USB controller is disabled (default entry).