Asus M4A77 - Manual (Page 54)

2-14 Chapter 2: BIOS information
2.4.4 Onboard Device Configuration
Serial Port1 Address [3F8/IRQ4]
Selects the Serial Port1 base address. Configuration options: [Disabled] [3F8/IRQ4]
[2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3]
Parallel Port Address [378]
Selects the Parallel Port base addresses. Configuration options: [Disabled] [378] [278] [3BC]
Parallel Port Mode [Normal]
Selects the Parallel Port mode. Configuration options: [Normal] [EPP] [ECP] [EPP + ECP]
Parallel Port IRQ [IRQ7]
Allows BIOS to select the Parallel Port IRQ. Configuration options: [IRQ5] [IRQ7]
HDAudio Controller [Enabled]
Enables or disables the high definition audio controller. Configuration options: [Disabled]
[Enabled]
Front Panel Select [HD Audio]
Selects the front panel type. Configuration options: [AC97] [HD Audio]
OnBoard LAN Controller [Enabled]
Enables or disables the onboard LAN controller. Configuration options: [Disabled] [Enabled]
OnBoard LAN Boot ROM [Disabled]
Enables or disables the Onboard LAN Boot ROM. Configuration options: [Disabled]
[Enabled]
Plug And Play O/S [No]
When this item is set to [No], BIOS configures all the devices in the system. When this item
is 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]
Take caution when changing the settings of the PCI PnP menu items. Incorrect field values
can cause the system to malfunction.
2.4.5 PCIPnP
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.