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Chapter 2: BIOS information 2-11
2.4.4 Onboard Devices Conguration
Serial Port1 Address [3F8/IRQ4]
Allows you to select the Serial Port1 base address.
Conguration options: [Disabled] [3F8/IRQ4][2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3]
Take caution when changing the settings of the PCI PnP menu items. Incorrect eld values
can cause the system to malfunction.
Plug and Play O/S [No]
When set to [No], BIOS congures all the devices in the system. When set to [Yes] and if
you install a Plug and Play operating system, the operating system congures the Plug and
Play devices not required for boot. Conguration options: [No] [Yes]
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.
MAC LAN [Auto]
Allows you to set or disable the onboard LAN. Conguration options: [Auto] [Disabled]
Onboard LAN Boot ROM [Disabled]
Allows you to enable or disable the Onboard LAN boot ROM.
Conguration options: [Enabled] [Disabled]
MCP68 SE ACPI HPET TABLE [Enabled]
Allows you to enable or disable the MCP68 SE ACPI HPET TABLE.
Conguration options: [Disabled] [Enabled]
2.4.6 USB Conguration
The items in this menu allows you to change the USB-related features. Select an item then
press <Enter> to display the conguration options.
The Module Version and USB Devices Enabled items show the auto-detected values. If
no USB device is detected, the item shows None.
USB Functions [Enabled]
Enables or disables the USB functions. Conguration options: [Enabled] [Disabled]
USB 2.0 Controller [Enabled]
Enables or disables the USB 2.0 Controller. Conguration options: [Enabled] [Disabled]