MSI MS-6764 User Manual page 68

MS-6764 ATX Mainboard
For better PCI performance, you should set the item to higher values. Settings
range from 32 to 248 at a 32 increment.
PCI IDE BusMaster
Set this option to Enabled to specify that the IDE controller on the PCI local
bus has bus mastering capability. Settings options: Disabled, Enabled.
Primary Graphics Adapter
This setting specifies which VGA card is your primary graphics adapter. Setting
options: PCI, AGP.
PCI Slot1 IRQ, PCI Slot2/5 IRQ, PCI Slot3/6 IRQ, PCI Slot4 IRQ
These items specify the IRQ line for each PCI slot. Setting options: 3, 4, 5, 7,
9, 10, 11, Auto. Selecting Auto allows BIOS to automatically determine the
IRQ line for each PCI slot.
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