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Reserved memory size, Dma reserved memory size, Cp305 bios pci/pnp setup – Kontron CP305 BIOS User Manual

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CP305 BIOS

PCI/PnP Setup

ID 1035-8356, Rev. 1.0

Page 51

P R E L I M I N A R Y

DMA

This function is used to allow the DMA setting to be modified.

Optimal and Fail-Safe default settings: Available

Reserved Memory Size

This function is used to allow the system to reserve memory that is used by ISA devices. Gain-
ing access to this function normally requires scrolling of the PCI/PnP Setup screen.

Optimal and Fail-Safe default settings: Disabled

DMA CHANNEL

SETTING

DESCRIPTION

DMA Channel 0
DMA Channel 1
DMA Channel 3
DMA Channel 5
DMA Channel 6
DMA Channel 7

Reserved

Use this setting to allow the specified DMA to be used by a legacy
ISA device.

Available

Use this setting to allow the specified DMA to be used by PCI/PnP
device.

SETTING

DESCRIPTION

Disabled

Use this setting to prevent BIOS from reserving memory to ISA devices.

16K

Use this setting to allow the system to reserve 16K of the system memory to the ISA devices.

32K

Use this setting to allow the system to reserve 32K of the system memory to the ISA devices.

64K

Use this setting to allow the system to reserve 64K of the system memory to the ISA devices.