Asus P4S800 User Manual page 49

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.
ASUS P4S800 motherboard user guide 2-15