Asus M2N68-AM SE User Manual - Page 43

Onboard Devices Configuration

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Onboard LAN [Auto] Allows you to set or disable the Onboard LAN. Configuration options: [Auto] [Disabled] Onboard LAN Boot ROM [Disabled] Allows you to enable or disable the Onboard LAN boot ROM. Configuration options: [Enabled] [Disabled] SouthBridge ACPI HPET TABLE [Enabled] Allows you to enable or disable SouthBridge ACPI HPET TABLE. Configuration options: [Disabled] [Enabled] 2.4.4 Onboard Devices Configuration Serial Port1 Address [3F8/IRQ4] Allows you to select the Serial Port1 base address. Configuration options: [Disabled] [3F8/IRQ4][2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3] 2.4.5 PCI PnP The PCI PnP menu items allow you to change the advanced settings for PCI/PnP devices. The menu includes setting IRQ and DMA channel resources for either PCI/PnP or legacy ISA devices, and setting the memory size block for legacy ISA devices. Take caution when changing the settings of the PCI PnP menu items. Incorrect field values can cause the system to malfunction. Plug and Play O/S [No] When set to [No], BIOS configures all the devices in the system. When set to [Yes] and if you install a Plug and Play operating system, the operating system configures the Plug and Play devices not required for boot. Configuration options: [No] [Yes] PCI Latency Timer [64] Allows you to select the value in units of PCI clocks for the PCI device latency timer register. Configuration options: [32] [64] [96] [128] [160] [192] [224] [248] Allocate IRQ to PCI VGA [Yes] When set to [Yes], BIOS assigns an IRQ to PCI VGA card if the card requests for an IRQ. When set to [No], BIOS does not assign an IRQ to the PCI VGA card even if requested. Configuration options: [Yes] [No] Palette Snooping [Disabled] When set to [Enabled], the palete snooping feature informs the PCI devices that an ISA graphics device is installed in the system so that the latter can function correctly. Configuration options: [Disabled] [Enabled] IRQ-xx assigned to [PCI Device] When set to [PCI Device], the specific IRQ is free for use of PCI/PnP devices. When set to [Reserved], the IRQ is reserved for legacy ISA devices. Configuration options: [PCI Device] [Reserved] Chapter 2: BIOS information 2-11

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Chapter 2: BIOS information
2-11
2.4.4
Onboard Devices Configuration
Serial Port1 Address [3F8/IRQ4]
Allows you to select the Serial Port1 base address.
Configuration options: [Disabled] [3F8/IRQ4][2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3]
Take caution when changing the settings of the PCI PnP menu items. Incorrect field values
can cause the system to malfunction.
Plug and Play O/S [No]
When set to
[No]
, BIOS configures all the devices in the system. When set to
[Yes]
and if
you install a Plug and Play operating system, the operating system configures the Plug and
Play devices not required for boot. Configuration options: [No] [Yes]
PCI Latency Timer [64]
Allows you to select the value in units of PCI clocks for the PCI device latency timer register.
Configuration options: [32] [64] [96] [128] [160] [192] [224] [248]
Allocate IRQ to PCI VGA [Yes]
When set to
[Yes]
, BIOS assigns an IRQ to PCI VGA card if the card requests for an IRQ.
When set to
[No]
, BIOS does not assign an IRQ to the PCI VGA card even if requested.
Configuration options: [Yes] [No]
Palette Snooping [Disabled]
When set to
[Enabled]
, the palete snooping feature informs the PCI devices that an
ISA graphics device is installed in the system so that the latter can function correctly.
Configuration options: [Disabled] [Enabled]
IRQ-xx assigned to [PCI Device]
When set to
[PCI Device]
, the specific IRQ is free for use of PCI/PnP devices. When set to
[Reserved]
, the IRQ is reserved for legacy ISA devices.
Configuration options: [PCI Device] [Reserved]
2.4.5
PCI PnP
The
PCI PnP
menu items allow you to change the advanced settings for PCI/PnP devices.
The menu includes setting IRQ and DMA channel resources for either PCI/PnP or legacy ISA
devices, and setting the memory size block for legacy ISA devices.
Onboard LAN [Auto]
Allows you to set or disable the Onboard LAN. Configuration options: [Auto] [Disabled]
Onboard LAN Boot ROM [Disabled]
Allows you to enable or disable the Onboard LAN boot ROM.
Configuration options: [Enabled] [Disabled]
SouthBridge ACPI HPET TABLE [Enabled]
Allows you to enable or disable SouthBridge ACPI HPET TABLE.
Configuration options: [Disabled] [Enabled]