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ASUS P4P8X motherboard user guide
2-23
PCI IDE BusMaster [Enabled]
Allows BIOS to use PCI bus mastering when reading/writing to IDE devices.
Configuration options: [Disabled] [Enabled]
IRQ xx [Available]
When set to [Available], the specific IRQ is free for use of PCI/PnP devices. When
set to [Reserved], the IRQ is reserved for legacy ISA devices. Configuration
options: [Available] [Reserved]
DMA Channel xx [Available]
When set to [Available], the specific DMA channel is free for use of PCI/PnP
devices. When set to [Reserved], the DMA channel is reserved for legacy ISA
devices. Configuration options: [Available] [Reserved]
Reserved Memory Size [Disabled]
Sets the size of memory block reserved for legacy ISA devices. Configuration
options: [Disabled] [16K] [32K] [64K]
2.4.6 USB Configuration
The items in this menu allows you to change the USB-related features. Select an
item then press Enter to display the configuration options.
Select Screen
Select Item
+- Change Option
F1 General Help
F10 Save and Exit
ESC Exit
Module Version : 2.22.4-5.3
USB Devices Enabled : None
USB Function [8 USB Ports]
Legacy USB Support [Auto]
USB 2.0 Controller [Enabled]
USB 2.0 Controller Mode [HiSpeed]
USB Mass Storage Device Configuration
USB Configuration
Enables USB host
controllers.
The Module Version and USB Devices Enabled items show the auto-detected
values. If no USB device is detected, the item shows None.
USB Function [8 USB Ports]
Allows you to set the number of USB ports to activate. Before using the USB 2.0
feature, make sure that the USB 2.0 driver is installed. Configuration options:
[Disabled] [2 USB Ports] [4 USB Ports] [6 USB Ports] [8 USB Ports]