User guide

System BIOS configuration 15
Table 7 IO Device Configuration submenu fields
Option Description
2E8/IRQ3 Set this value to allow the serial port to use 2E8 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 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 to
Disabled.
Serial Port
Interrupt setting
Level triggered interrupt
Edge triggered interrupt
ACPI Configuration submenu
Figure 9 ACPI Configuration submenu (1)
Table 8
ACPI Settings submenu fields
Field Description
Chipset ACPI
Configuration
This option specifies High Precision Event Timer.