Software • BIOS options
Chapter 4 Software
Automation PC 810 with GM45 CPU board user's manual V1.28
223
BIOS setting
Description
Configuration options
Effect
Enabled
The IRQ resources available to the system are
expanded when the APIC mode is enabled.
IOAPIC
This option is used to activate or deactivate the
APIC (Advanced Programmable Interrupt Con-
troller).
Information:
The IRQ resources available to the sys-
tem are expanded when the APIC mode
is enabled.
Disabled
Disables this function
Enabled
IRQ20 is used for SCI.
APIC ACPI SCI IRQ
This option is used to modify the SCI IRQ when
in APIC (Advanced Programmable Interrupt Con-
troller) mode.
Disabled
IRQ9 is used for SCI.
PCI
Port 80h/84h is routed to the PCI bus.
POST Code Output
This option is used when the port 80h/84h BIOS
POST code output should be routed to the PCI
bus or the LPC bus.
LPC
Port 80h/84h is routed to the LPC bus.
Table 181: GM45 Advanced Chipset (Setting options)
1.4.7 I/O Interface Configuration
Figure 117: GM45 Advanced I/O Interface Configuration
BIOS setting
Description
Configuration options
Effect
Enabled
Enables the HDA controller.
HDA Controller
This option is used to turn the HDA controller on
or off.
Information:
The GM45 CPU board does not have a
sound controller.
Disabled
Disables the HDA controller.
Disabled
Onboard Ethernet controller is disabled.
Onboard Gbe Controller
(ETH1)
This option is used to turn the onboard Ethernet
controller on or off.
Enabled
Onboard Ethernet controller is enabled.
Table 182: GM45 Advanced I/O Interface Configuration (Setting options)
