Advanced PCI/PnP Menu
Feature | Option | Description |
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Advanced PCI/PnP Menu |
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Plug & Play OS | Yes | The Yes setting allows the operating |
| No | system to change the interrupt, I/O, |
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| and DMA settings. Set this option if |
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| the system is running Plug and Play |
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| aware operating systems. Set No for |
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| operating systems that do not meet |
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| the Plug and Play specifications. |
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PCI Latency Timer | 32, 64, 96 | This setting controls how many PCI |
| ...248 | clocks each PCI device can hold the |
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| bus before another PCI device takes |
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| over. When set to higher values, |
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| every PCI device can conduct trans- |
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| actions for a longer time and thus |
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| improve the effective PCI bandwidth. |
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Allocate IRQ to PCI | Yes | Allows or restricts the system from |
VGA | No | giving the VGA adaptor an IRQ. |
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Palette Snooping | Disabled | This is the default setting and should |
| Enabled | not be changed unless the VGA card |
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| manufacturer requires Palette Snoop- |
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| ing to be Enabled. |
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PCI IDE Bus Master | Disabled | ENABLED: BIOS uses PCI bus mas- |
| Enabled | tering for reading / writing to IDE |
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| drives. |
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IRQ3 - IRQ15 | Available | Allows user to reserve a specific IRQ |
| Reserved | for a legacy device (Note: most hard- |
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| ware devices & OS do not support |
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| manually assigned IRQs). |
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DMA0 ~ 7 | Available | Allows user to reserve a specific IRQ |
| Reserved | for a legacy device |
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Reserved Memory | Disabled | Size of memory block to reserve for |
Size | 16K | legacy ISA devices |
| 32K |
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| 64K |
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Enabled BIOS Data | Enabled | Enable / Disable Extended BIOS |
Area | Disabled | Data Area |
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