PS/2 Mouse Function Control [Auto]

The default setting [Auto] allows the system to detect a PS/2 mouse at startup. If a mouse is detected, the BIOS assigns IRQ12 to the PS/2 mouse. Otherwise, IRQ12 can be used for expansion cards. When you set this field to [Enabled], BIOS reserves IRQ12, whether or not a PS/2 mouse is detected at startup. Configuration options: [Enabled] [Auto]

USB Legacy Support [Auto]

This motherboard supports Universal Serial Bus (USB) devices. The default of [Auto] allows the system to detect a USB device at startup. If detected, the USB controller legacy mode is enabled. If not detected, the USB controller legacy mode is disabled.

When you set this field to [Disabled], the USB controller legacy mode is disabled whether or not you are using a USB device. Configuration options: [Disabled] [Enabled] [Auto]

OS/2 Onboard Memory > 64M [Disabled]

When using OS/2 operating systems with installed DRAM of greater than 64MB, you need to set this option to [Enabled]. Otherwise, leave to the default setting [Disabled]. Configuration options: [Disabled] [Enabled]

Instant Music [Disabled]

This item allows you to enable or disable the Instant Music feature. See Chapter 3 for more information using this feature. Configuration options: [Disabled] [Enabled]

The Power-Up by PS/2 keyboard feature will not function when Instant Music is set to [Enabled] and will function only when Instant Music is set to [Disabled].

Instant Music CDROM [ASUS CDROM]

This item displays the detected CD-ROM installed in the system.

Hyper-Threading Technology [Enabled]

This item allows you to enable or disable the processor Hyper-Threading Technology. Configuration options: [Disabled] [Enabled]

The item Hyper-Threading Technology appears only if you installed an Intel Pentium 4 CPU that supports this feature.

ASUS P4SDX motherboard user guide

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