Foxconn Z77A-S User manual - Page 39

Memory Configuration, Options: [Automatic], [Manual], [XMP Profile 1]

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BIOS SETUP systems and applications in independent partitions or "containers." One physical compute system can function as multiple "virtual" systems. Vanderpool Technology can help improve future virtualization solutions. This item will be displayed only when the CPU is supporting this feature and the setting is used to enable/disable it. ► Hardware Prefetcher The processor has a hardware prefetcher that automatically analyzes its requirements and prefetches data and instructions from the memory into the Level 2 cache that are likely to be required in the near future. This reduces the latency associated with memory reads. When enabled, the processor's hardware prefetcher will be enabled and allowed to automatically prefetch data and code for the processor. When disabled, the processor's hardware prefetcher will be disabled. ► Adjacent Cache Line Prefetch (Appears only when CPU supports) The processor has a hardware adjacent cache line prefetch mechanism that automatically fetches an extra 64-byte cache line whenever the processor requests for a 64-byte cache line. This reduces cache latency by making the next cache line immediately available if the processor requires it as well. When enabled, the processor will retrieve the currently requested cache line, as well as the subsequent cache line. When disabled, the processor will only retrieve the currently requested cache line. Memory Configuration Aptio Setup Utility - C opyright (C) 2011 American Megatrends, Inc. OC Plus Memory Configuration Memory Information Memory DIMM1 Memory DIMM2 Memory DIMM3 Memory DIMM4 Total Memory Size Not Present Not Present 2048 MB (DDR3 1333) Not Present 2048 MB (DDR3 1333) The selection of Performance Memory Profiles which impacts memory sizing behavior. Performance Memory Profiles XMP Profile 1 XMP Profile 2 [Automatic] Not Supported Not Supported → ←: Select Screen ↑ ↓: Select Item Enter: Select +/-: Change Opt. F1: General Help F2: Previous Values F3: Optimized Defaults F4: Save & Exit ESC: Exit Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc. ► Performance Memory Profiles This item is used to select Performance memory profile. Options: [Automatic], [Manual], [XMP Profile 1], [XMP Profile 2]. [Automatic]- Configuration database of using performance memory profile. [Manual]- Configuration database of using performance memory profile. The next submenu will apear when select this item. [XMP Profile 1]-Configuration database of using XMP timing profile 1. [XMP Profile 2]- Configuration database of using XMP timing profile 1. The following items appear only when the option is set to "Manual". 32

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BIOS SETUP
32
systems and applications in independent partitions or “containers.” One physical compute
system can function as multiple “virtual” systems. Vanderpool Technology can help improve
future virtualization solutions. This item will be displayed only when the CPU is supporting
this feature and the setting is used to enable/disable it.
► Hardware Prefetcher
The processor has a hardware prefetcher that automatically analyzes its requirements and
prefetches data and instructions from the memory into the Level 2 cache that are likely to be
required in the near future. This reduces the latency associated with memory reads.
When enabled, the processor’s hardware prefetcher will be enabled and allowed to automati-
cally prefetch data and code for the processor.
When disabled, the processor’s hardware prefetcher will be disabled.
► Adjacent Cache Line Prefetch (Appears only when CPU supports)
The processor has a hardware adjacent cache line prefetch mechanism that automatically
fetches an extra 64-byte cache line whenever the processor requests for a 64-byte cache
line. This reduces cache latency by making the next cache line immediately available if the
processor requires it as well.
When enabled, the processor will retrieve the currently requested cache line, as well as the
subsequent cache line.
When disabled, the processor will only retrieve the currently requested cache line.
Memory Configuration
Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc.
Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc.
Memory Configuration
Memory Information
Memory DIMM1
Not Present
Memory DIMM2
Not Present
Memory DIMM3
2048 MB (DDR3 1333)
Memory DIMM4
Not Present
Total Memory Size
2048 MB (DDR3 1333)
Performance Memory Profiles
[Automatic]
XMP Profile 1
Not Supported
XMP Profile 2
Not Supported
→ ←: Select Screen
↑ ↓: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
The selection of Performance
Memory Profiles which impacts
memory sizing behavior.
OC Plus
► Performance Memory Profiles
This item is used to select Performance memory profile.
Options: [Automatic], [Manual], [XMP Profile 1], [XMP Profile 2].
[Automatic]- Configuration database of using performance memory profile.
[Manual]- Configuration database of using performance memory profile. The next submenu
will apear when select this item.
[XMP Profile 1]-Configuration database of using XMP timing profile 1.
[XMP Profile 2]- Configuration database of using XMP timing profile 1.
The following items appear only when the option is set to “Manual”.