TYAN TIGERCUB ATX Manual page 65

four IDE UDMA fields (for each of up to four IDE devices that the
internal PCI IDE interface supports), the system automatically deter-
mines the optimal data transfer rate for each IDE device.
On-Chip PCI IDE (Primary/Secondary)
This chipset contains a PCI IDE interface with support for two IDE
channels. Select Enabled to activate the primary and/or secondary
onboard IDE interface. Select Disabled to deactivate this interface, if
you install a primary and/or secondary add-in IDE interface.
Onboard PCI SCSI Chip
Select Enabled if your system contains a built-in PCI SCSI controller.
USB Keyboard Support
Select Enabled if your system contains a Universal Serial Bus (USB)
controller and you have a USB keyboard.
Onboard FDC Controller
Select Enabled if your system has a floppy disk controller (FDC)
installed on the system board and you wish to use it. If you install an
add-in FDC or the system has no floppy drive, select Disabled in this
field.
Onboard Serial Ports (1, 2)
Select a logical COM port address and corresponding interrupt for the
first and second serial ports. The second serial port offers infrared
options in the next field.
UR2 Mode
Select an operating mode for the second serial port:
Standard
IrDA 1.0
IrDA 1.1
ASK-IR
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RS-232C serial port
IrDA specification 1.0-compliant serial infrared port
IrDA specification 1.1-compliant serial infrared port
Amplitude shift keyed infrared port
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