Asus P5SD2-A - Manual (Page 68)

2-20 Chapter 2: BIOS setup
The following items appear only when the AI Tuning item is set to [Manual].
CPU Frequency [200]
Displays the frequency sent by the clock generator to the system bus and PCI bus.
The value of this item is auto-detected by the BIOS. Use the <+> and <-> keys to
adjust the CPU frequency. You can also type the desired CPU frequency using the
numeric keypad. The values range from 100 to 450. Refer to the table below for
the correct Front Side Bus and CPU External Frequency settings.
FSB/CPU External Frequency Synchronization
Front Side Bus CPU External Frequency
FSB 1066 266 MHz
FSB 800 200 MHz
FSB 533 133 MHz
The following items appear only when the AI Tuning item is set to [Overclock
Profile].
Overclock Options [Standard]
Allows you to Load overclocking profiles with optimal parameters for stability when
overclocking. Configuration options: [Standard] [Overclock 5%] [Overclock 10%]
[Overclock 15%] [Overclock 20%] [Overclock 30%]
The Module Version and USB Devices Enabled items show the
auto-detected values. If no USB device is detected, the item shows None.
2.4.2 USB Configuration
The items in this menu allows you to change the USB-related features. Select an
item then press to display the configuration options.
OnBoard SiS USB1.1 DEVICE [Enabled]
OnBoard SiS USB2.0 DEVICE [Enabled]
USB Configuration
Module Version - 2.24.3-13.4
USB Devices Enabled:
None
Legacy USB Support [Auto]
USB 2.0 Controller Mode [HiSpeed]
BIOS EHCI Hand-Off [Enabled]
Enable/Disable
OnBoard SiS USB1.1
device