Chapter 6: BIOS
PCI/PnP Configuration
The menu options in the PCI/PNP CONFIGURATION submenu and their descriptions are shown in Table
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Menu Option | Description | |
Clear NVRAM | Select YES to clear NVRAM during | |
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| Select YES to allow the OS to configure Plug & Play devices. | |
Plug & Play OS | NOTE: Selecting YES is not required for system boot if your system has an OS | |
that supports Plug & Play. | ||
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| Select No to allow AMIBIOS to configure all devices in the system. | |
| This option sets the latency of all PCI devices on the PCI bus. Select a value to | |
PCI Latency Timer | set the PCI latency in PCI clock cycles. Options are 32, 64, 96, 128, 160, 192, | |
| 224 and 248. | |
Allocate IRQ to PCI | Set this value to allow or restrict the system from giving the VGA adapter card an | |
VGA | interrupt address. The options are Yes and NO. | |
Palette Snooping | Select ENABLED to inform the PCI devices that an ISA graphics device is installed | |
in the system in order for the graphics card to function properly. The options are | ||
| ENABLED and Disabled. | |
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PCI IDE BusMaster | When enabled, this allows BIOS to use PCI busmastering for reading/writing to | |
IDE drives. Options include Enabled and Disabled. | ||
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Offboard PCI/ISA IDE | Some PCI cards may require that this setting be set to the PCI slot number that | |
is holding the card. The Auto setting works for most PCI IDE cards. Options | ||
Card | include Auto and PCI Slot 1 thorugh PCI Slot 6. | |
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IRQ3/IRQ4/IRQ5/ | This feature specifies the availability of an IRQ to be used by a PCI/PnP device. | |
IRQ7/IRQ9/IRQ10/ | Select RESERVED for the IRQ to be used by a Legacy ISA device. The options | |
IRQ11/IRQ14/IRQ15 | are Available and RESERVED. | |
DMA Channel 0/ | Select Available to indicate that a specific DMA channel is available to be used | |
Channel 1/Channel 3/ | ||
Channel 5/Channel 6/ | by a PCI/PnP device. Select RESERVED if the DMA channel specified is reserved | |
for a Legacy ISA device. The options are Available and Reserved. | ||
Channel 7 |
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Reserved Memory | You may set reserved memory with this setting. The options are Disabled, 16K, | |
Size | 32K and 64K. | |
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