Asus M2N68-AM SE - Manual (Page 35)

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]