Micronics C400 System Board Manual
Chapter 4: The BIOS Setup Utility
51
devices that the onboard IDE interface supports. Modes 0
through 4 provide successively increased performance. In
Auto (default) mode, the system automatically determines
the best mode for each device.
IDE Primary/Secondary Master/Slave UDMA
Set the UDMA (Ultra DMA/33) mode for the specified
onboard IDE interface. Ultra DMA/33 is a hard drive
interface protocol that increases the burst data transfer
rate to 33MBytes per second. NOTE: Your hard drive and
operating environment must both support the UDMA
mode.
On-Chip Primary/Secondary PCI IDE
The integrated peripheral controller contains an IDE inter-
face with support for two IDE channels. Select Enabled to
activate each channel separately.
USB Keyboard Support
Select Enabled if your system contains a Universal Serial
Bus (USB) controller and you have USB keyboard.
Onboard FDC Controller
Select Enabled (default) to use the floppy disk controller
installed on the system board. If you install an add-in
controller or the system has no floppy drive, select Disabled.
Onboard Serial Port 1/2
Select a logical COM port name and matching address for
the first and second serial ports.
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