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Chapter 4: BIOS
4-3
Secure Virtual Machine Mode
This setting is used to Enable or Disable SVM.
Power Now
This setting is used to Enable or Disable the AMD Power Now feature.
ACPI SRAT Table
This option Enables or Disables the building of the ACPI SRAT Table.
CPU Prefetching
Use this setting to Enable or Disable CPU prefetching.
IO Prefetching
Use this option to Enable or Disable IO prefetching.
Probe Filter
Use this option to set the initialization mode for the probe fi lter. Options include
Auto, Disabled and MP Mode.
IDE Confi guration
Onboard PCI IDE Controller
This setting allows you to Enable or Disable the PCI IDE controller.
Primary/Secondary/Third/Fourth IDE Master/Slave
LBA/Large Mode
LBA (Logical Block Addressing) is a method of addressing data on a disk
drive. The options are Disabled and Auto.
Block (Multi-Sector Transfer)
Block mode boosts IDE drive performance by increasing the amount of data
transferred. Only 512 bytes of data can be transferred per interrupt if block
mode is not used. Block mode allows transfers of up to 64 KB per interrupt.
Select "Disabled" to allow the data to be transferred from and to the device
one sector at a time. Select "Auto" to allows the data transfer from and to the
device occur multiple sectors at a time if the device supports it. The options
are Auto and Disabled.