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4. BIOS SETUP
BIOS Update [Enabled]
This functions as an update loader integrated into the BIOS to supply the processor
with the required data. In the default position of [Enabled], the BIOS will load the
update on all processors during system bootup. Configuration options: [Disabled]
[Enabled]
PS/2 Mouse Function Control [Auto]
The default of [Auto] allows the system to detect a PS/2 mouse on startup. If de-
tected, IRQ12 will be used for the PS/2 mouse. IRQ12 will be reserved for expan-
sion cards only if a PS/2 mouse is not detected. [Enabled] will always reserve IRQ12,
whether on startup a PS/2 mouse is detected or not. Configuration options: [En-
abled] [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 on startup. If detected, USB controller
legacy mode will be enabled. If not detected, USB controller legacy mode will be
disabled. When this field is set to [Disabled], USB controller legacy mode is dis-
abled no matter whether you are using a USB device or not. 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 this on [Disabled]. Con-
figuration options: [Disabled] [Enabled]
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ASUS P4T-M User's Manual
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