Acrosser AR-B8172 - Manual (Page 26)

AR-B8172 User Manual
3.6 Chipset Setup
3.6.1 SouthBridge Configuration
You can use this screen to select options for the South Bridge Configuration. South Bridge is a
chipset on the motherboard that controls the basic I/O functions. Use the up and down. <Arrow>
keys to select an item. Use the <Plus> and <Minus> keys to change the value of the selected
option.
ISA Configuration
This allows you to set the ISA bus frequency and to select the clock value of I/O and Memory.
Serial/Parallel Port Configuration
These options specify the serial port address and the parallel port mode and select the IRQ of
Serial/Parallel Port.
Option Description
Disabled
Set this value to prevent the serial port from accessing any system resources. When
this option is set to disabled, the serial port physically becomes unavailable.
3F8/IRQ4
Set this value to allow the serial port to use 3F8 as its I/O port address and IRQ 4 for
the interrupt address. This is the default setting. The majority of serial port 1 or COM1
ports on computer systems use IRQ4 and I/O Port 3F8 as the standard setting. The
most common serial device connected to this port is a mouse. If the system will not use
a serial device, it is best to set this port to disabled.
2F8/IRQ3 Set this value to allow the serial port to use 2F8 as its I/O port address and IRQ 3 for
the interrupt address. If the system will not use a serial device, it is best to set this port
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