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60 ISP2150 2U Rack Server Platform Product Guide
Integrated Peripheral Configuration Submenu (continued)
Feature Choices Description
Interrupt IRQ 5
IRQ 7
Selects the IRQ for LPT port.
DMA channel DMA 1
DMA 3
Selects the DMA for LPT port (only used for ECP mode).
Floppy disk controller Disabled
Enabled
Enables onboard diskette controller.
Note: Bold type indicates the default choice.
Advanced Chipset Control
Feature Choices Description
640-768K Memory
Region
Enabled
Disabled
Enabled forwards ISA Master and DMA cycles to the
PCI bus. Disabled forwards these cycles to memory.
Delayed Transaction Enabled
Disabled
Enables the delayed transaction mechanism when the
PIIX4e is the target of a PCI transaction.
Passive Release Enabled
Disabled
Enables the passive release mechanism on the
PHOLD# signal when the PIIX4 is a PCI Master.
Note: Bold type indicates the default choice.