User Guide

Chapter 4
SR7-8X
4-30
USB Function:
Two options are available: Disabled ( Enabled. The default setting is Enabled. This should be enabled if
your system has a USB device installed on the system board and you wish to use it. If you add a higher
performance controller, you will need to disable this feature.
USB 2.0 Supports:
Two options are available: Disabled ( Enabled. The default setting is Enabled. If you have connecting
the USB 2.0 device onto your motherboard and using the onboard USB ports. Please set this item to
Enabled.
USB KB/Mouse/FDD Legacy Support:
Two options are available: Disabled ( Enabled. The default setting is Disabled. If your operating system
supports a USB device natively, please set it to Disabled. Only in some situations, such as in a pure DOS
environment that does not support a USB legacy device, should you set it in Enabled. What’s the USB
legacy device? For example: USB floppy, USB keyboard and USB mouse, etc.
OnBoard FDC:
Three options are available: Auto ( Disabled ( Enabled. The default setting is Auto. This is used to
enable or disable the onboard FDD Controller. If you add a higher performance controller, you will need
to disable this feature.
Onboard Serial PortA:
Five options are available: Disabled ( 3F8/COM1 ( 2F8/COM2 ( 3E8/COM3 ( 2E8/COM4. The
default setting is 3F8/COM1. This item allows you to determine which I/O address the onboard serial
portA controller will access.
Onboard Serial PortB:
Five options are available: Disabled ( 3F8/COM1 ( 2F8/COM2 ( 3E8/COM3 ( 2E8/COM4. The
default setting is 2F8/COM2. This item allows you to determine which I/O address the onboard serial
portB controller will access.
Serial PortB Mode:
Four options are available: Normal ( 1.6 us ( 3/16 Baud ( ASKIR. The default setting is Normal.
When you select the item Normal, then the following item will not appear.
 IR Pin Select:
Two options are available: SINB/SOUTB or IRRX/IRTX. The default setting is IRRX/IRTX. If you
choose IRRX/IRTX, your motherboard must support a COM port IR KIT connection. Otherwise, you
can only choose the SINB/SOUTB to use the IR header on your motherboard to connect your IR KIT.
Please use the default setting.
Onboard Parallel Port:
Five options are available: Auto ( Disabled ( 378h ( 278h ( 3BCh. The default setting is Auto.
Select a logical LPT port name and matching address for the physical parallel (printer) port.