Supermicro 5038K-i, Руководство пользователя

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Chapter 7: BIOS

Intel VT for Directed I/O (VT-d)
Intel VT for Direct I/O (VT-d)
Intel
®
VT for Directed I/O (VT-d)
Select Enable to use Intel Virtualization Technology support for Direct I/O VT-d
support by reporting the I/O device assignments to the VMM (Virtual Machine
Monitor) through the DMAR ACPI tables. This feature offers fully-protected I/O
resource sharing across Intel platforms, providing greater reliability, security and
availability in networking and data-sharing. The options are Enable and Disable.
ACS Control
This item determines how to use the Access Control Service (ACS) in the sys-
tem. ACS control provides an easy way of authenticating and authorizing for the
user to gain access to web applications and services. Select Enable to achieve
ACS Control via software programming. Select Disable to obtain ACS control
by managing PCI-E bridge connections. The options are Enable and Disable.
Interrupt Remapping
Select Enable for Interrupt Remapping support to enhance system performance.
The options are Enable and Disable.
Coherency Support (Non-Isoch)
Select Enable for the Non-Iscoh VT-d engine to pass through DMA (Direct Memo-
ry Access) to enhance system performance. The options are Enable and Disable.

Memory Confi guration
Enforce POR
Select Enforce POR to enforce the onboard memory DIMM modules to operate
and run at the frequency and voltage as specifi ed by the Intel POR specifi cations.
The options are Enforce POR , Disabled and Enforce Stretch Goals.
Memory Frequency
Use this feature to set the maximum memory frequency for onboard memory
modules. The options are Auto , 1600, 1867, 2133, and 2400.
MRC Promote Warnings
Select Enabled to promote the MRC (Memory Reference Code) warnings to the
system level. The options are Enabled and Disabled.