Technical Product Specification

Intel
®
Server Board S5500BC TPS BIOS Setup Utility
Revision 1.8 Intel order number: E42249-009 63
Setup Item
Options
Help Text
Comments
Interrupt Remapping
Enabled
Disabled
Enable/Disable Intel
®
VT-d Interrupt
Remapping support.
Only appears when Intel
®
Virtualization Technology for
Directed I/O is enabled.
Coherency Support
Enabled
Disabled
Enable/Disable Intel
®
VT-d Coherency
support.
Only appears when Intel
®
Virtualization Technology for
Directed I/O is enabled.
ATS Support
Enabled
Disabled
Enable/Disable Intel
®
VT-d Address
Translation Services (ATS) support.
Only appears when Intel
®
Virtualization Technology for
Directed I/O is enabled.
Pass-through DMA
Support
Enabled
Disabled
Enable/Disable Intel
®
VT-d Pass-through
DMA support.
Only appears when Intel
®
Virtualization Technology for
Directed I/O is enabled.
Hardware Prefetcher
Enabled
Disabled
Hardware Prefetcher is a speculative
prefetch unit within the processor(s).
Note: Modifying this setting may affect
system performance.
Adjacent Cache Line
Prefetch
Enabled
Disabled
[Enabled] - Cache lines are fetched in pairs
(even line + odd line).
[Disabled] - Only the current cache line
required is fetched.
Note: Modifying this setting may affect
system performance.
Direct Cache Access
(DCA)
Enabled
Disabled
Allows processors to increase the I/O
performance by placing data from I/O
devices directly into the processor cache.
5.3.2.2.2 Memory Screen
The Memory screen allows the user to view details about the system memory DDR-3 DIMMs
that are installed. This screen also allows the user to open the Configure Memory RAS and
Performance screen.
To access this screen from the Main screen, select Advanced > Memory.