Irq Resources - TYAN TOMCAT I7221 User Manual

Tomcat i7221 S5150
Resources Controlled By
When this option is set to AUTO, the BIOS by using ESCD, controls the IRQ and DMA
assignments of all of the boot and PNP devices in the system. If you set this option to Manual,
you will be able to manually assign all IRQ and DMA information.
Auto (ESCD) / Manual
PCI / VGA Palette Snoop
This option is only useful if you use an MPEG card or an add-on card that makes use of the
graphics card's Feature Connector.
When enabled, it corrects incorrect color reproduction by "snooping" into the graphics card's
frame buffer memory and modifying (synchronizing) the i nformation delivered from the
graphics card's Feature Connector to the MPEG or add-on card. It also solves the problem of
display inversion to a black screen after using the MPEG card.
Disabled / Enabled
PCI Device List
Select disabled see BIOS configuration table easier.
Disabled / Enabled
INT Pin (1,2,3,4,5,6,7,8) Assignment
This setting defines the IRQ for the PCI devices.
Auto / 3 / 4 / 5 / 7 / 9 / 10 / 11
Maximum Payload Size
This setting defines the maximum payload size.
128 / 256 / 512 / 1024 / 2048 / 4096
This controls the maximum amount of data that can be transferred in a packet. Larger payload
sizes increase data throughput, but increase the time that an application must wait for data to
begin being transferred.

3.8.1 IRQ Resources

This option is used to manually assign IRQ resources.
This option is enabled only if the Resources Controlled By is set to
Manual.
IRQ -(3,4,5,7,9,10,11,12,14,15) assigned to
This specifies whether these IRQs are assigned to any PCI Devices or are Reserved (Not
Used).
PCI Device / Reserved
Note
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Chapter 3: BIOS Setup