AZZA PT-5IVL, Руководство по эксплуатации

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PT-5IVL
SYSTEM BOARD
AWARD BIOS SETUP
Reset Configuration Data :
Disabled : The system BIOS will do nothing.
Enabled : The system BIOS will clear/reset the ESCD during "POST". After clearing the ESCD,
the system BIOS will then change this item's value back to "Disable", otherwise, the
ESCD will become useless.
IRQ# / DMA# assigned to :
Legacy : The system BIOS will skip never assign this specified IRQ/DMA resource to PCI or
ISA
ISA PnP devices.
PCI/ISA : All items set to this value will make the specified IRQ/DMA have a chance to be
PnP
assigned to PCI or ISA PnP devices.
Note : No matter the item "Resources Controlled By" is set to "Manual" or "Auto", the system
BIOS assign IRQs to PCI devices from high to low. For ISA PnP devices, the sequence is
from low to high. IRQ 12 is always the last one available for PCI/PnP due to IRQ 12 is
always reserves for the PS/2 mouse.
Explanation for proper nouns :
PnP device :
Device that has Plug & Play compatibility. That means it can request for DMA, IRQ, I/O and
Memory from the PnP BIOS and all these requests can be relocatable. In other words, these
devices does not utilized any fixed resources.
All PCI devices and all ISA PnP devices are PnP devices.
Legacy device :
A legacy device is a device that all its resources are fixed by hardware (or selected by jumpers).
All ISA Non-PnP devices are legacy device.
Extended System Configuration Data (ESCD) :
A media between the user and the system BIOS for passing the legacy devices informations.
These informations are stored in the onboard NVRAM (flash ROM).
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