Reference Guide

BIOS.IntegratedDevices.IoatEngine (Read or Write)
Description
Enables or disables the I/O Acceleration technology (I/OAT) option.
Legal Values
• Enabled
• Disabled
Default Value Not Applicable
License Required
iDRAC Express or iDRAC Enterprise
Dependency
None
BIOS.IntegratedDevices.IONonPostedPrefetch
Description
Enables or disables the PCI IO non-posted pre-fetch mode to control the PCIe throughput. When this option is
enabled, the read operation from the PCI devices are optimized. However, performance is reduced for write
operation from the PCI devices.
Legal Values
• Enabled
• Disabled
Default Value
NA
Write Privilege
Server control
License Required
RACADM
Dependency
None
BIOS.IntegratedDevices.MmioAbove4GB (Read or Write)
Description
Enables or disables support for PCIe devices that require large amount of memory. Enable this option only for
64-bit operating systems.
Legal Values
• Enabled
• Disabled
Default Value Not Applicable
Write Privilege
iDRAC Express or iDRAC Enterprise
Dependency
None
BIOS.IntegratedDevices.OsWatchdogTimer (Read or Write)
Description
Enables or disables timer initialization by the operating system.
Legal Values
• Enabled
• Disabled
Default Value Not Applicable
Write Privilege
Server Control
291