User`s manual

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Award BIOS Setup Utility
then let the controller and the CPU perform the complete task by
themselves. Your system supports five modes, 0 (default) to 4, which
primarily differ in timing. When Auto is selected, the BIOS will select the
best available mode after checking your drive.
Auto The BIOS will automatically set the system according to your
hard disk drives timing.
0-4 You can select a mode that matches your hard disk drives
timing. Caution: Do not use the wrong setting or you will
have drive errors.
IDE Primary Master/Slave UDMA and IDE Secondary Master/Slave
UDMA
These categories allow you to set the Ultra DMA in use. When Auto
is selected, the BIOS will select the best available option after checking
your hard drive or CD-ROM.
Auto The BIOS will automatically detect the settings for you.
Disabled The BIOS will not detect these categories.
USB Controller
We recommend that you leave this field in its default setting - Enabled.
USB Keyboard Support
By default, this field is Disabled. If you are using a USB keyboard, please
enable this function.
Onboard FDC Controller
Enabled Enables the onboard floppy disk controller.
Disabled Disables the onboard floppy disk controller.
Onboard UART 1 and Onboard UART 2
Auto The system will automatically select an I/O address for the
onboard serial port 1 and serial port 2.
3F8/IRQ4, 2F8/IRQ3, 3E8/IRQ4, 2E8/IRQ3 Allows you to manually
select an I/O address for the onboard serial port 1 and
serial port 2.
Disabled Disables the onboard serial port 1 and/or serial port 2.