ASUS P5KPL IPC/SI 2-7
USB Functions [Enabled]
Allows you to disable or enable the USB functions.
Conguration options: [Disabled] [Enabled]
USB 2.0 Controller [Enabled]
Allows you to enable or disable USB 2.0 controller.
Conguration options: [Enabled] [Disabled]
Legacy USB Support [Auto]
Allows you to enable or disable support for Legacy USB storage devices, including USB ash
drives and USB hard drives. Setting to [Auto] allows the system to detect the presence of
USB devices at startup. If detected, the USB controller legacy mode is enabled. If no USB
device is detected, the legacy USB support is disabled.
Conguration options: [Disabled] [Enabled] [Auto]
USB 2.0 Controller Mode [HiSpeed]
Allows you to congure the USB 2.0 controller in HiSpeed (480Mbps) or Full Speed
(12Mbps). Conguration options: [FullSpeed] [HiSpeed]
The following items may only appear when a USB storage device is plugged.
USB Mass Storage Device Conguration
USB Mass Storage Reset Delay [20 Sec]
Allows you to set the maximum time that the BIOS waits for the USB storage device to
initialize. Conguration options: [10 Sec] [20 Sec] [30 Sec] [40 Sec]
Emulation Type [Auto]
Allows you to select the emulation type. Conguration options: [Auto] [Floppy] [Forced
FDD] [Hard Disk] [CDROM]
2.4.2 CPU Conguration
The items in this menu show the CPU-related information that the BIOS automatically
detects.
CPU Ratio Setting [Auto]
Sets the ration between CPU core clock and the FSB frequency. Conguration option: [Auto]
• If an invalid ratio is set in CMOS then actual and set values may differ.
• Key in ratio numbers directly.
C1E Support [Enabled]
Allows you to enable or disable C1E Support. Conguration options: [Disabled] [Enabled]
Max CPUID Value Limit [Disabled]
Setting this item to [Enabled] allows legacy operating systems to boot even without support
for CPUs with extended CPUID functions. Conguration options: [Disabled] [Enabled]