Asus Pro WS WRX90E-SAGE SE AMD TR5 Series BIOS Manual English - Page 86

NBIO Common Options, DDR PHY PLL Bypass Frequency

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DDR Training Options This item allows you to configure DDR Training Options. DRAM PDA Enumerate ID Programming Specify PDA Enumeration mode [Auto] Default setting. [Toggling PDA enumeration mode] Continuous DQS toggling PDA enumeration mode (default). [Legacy PDA enumeration mode] Legacy PDA enumeration mode. DFE Read Training Perform 2D Read Training with DFE on. Configuration options: [Auto] [Enable] [Disable] DDR Security This item allows you to configure DDR Security. TSME Configuration options: [Auto] [Enabled] [Disabled] AES Configuration options: [AES-128] [AES-256] Data Scramble Configuration options: [Enabled] [Disabled] [Auto] DDR Memory Features This item allows you to configure DDR Memory Features. Memory Context Restore Allows you to configure the memory context restore mode. When enabled, DRAM re-training is avoided when possible and the POST latency is minimized. Configuration options: [Auto] [Enabled] [Disabled] DDR PHY Configuration This item allows you to configure DDR PHY configurations. DDR PHY PLL Bypass Configuration options: [Auto] [Enabled] [Disabled] DDR PHY PLL Bypass Frequency [Auto] [DDR-2000] [DDR-2400] Default settings. Enable PLL bypass for DDR-2000 and below. Enable PLL bypass for DDR-2400 and below. NBIO Common Options IOMMU Configuration options: [Disabled] [Enabled] [Auto] The following items appear only when IOMMU is set to [Enabled]. Pre-boot DMA Protection Allows you to enable or disable DMAr system protection during POST. Configuration options: [Disabled] [Enabled] [Auto] Kernal DMA Protection Indicator Allows you to enable or disable DMA remap support in IVRS IVinfo Field. Configuration options: [Disabled] [Enabled] [Auto] DRTM Virtual Device Support Configuration options: [Disabled] [Enabled] [Auto] 86 Pro WS sTR5 Series BIOS Manual

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86
Pro WS sTR5 Series BIOS Manual
DDR Training Options
This item allows you to configure DDR Training Options.
DRAM PDA Enumerate ID Programming
Specify PDA Enumeration mode
[Auto]
Default setting.
[Toggling PDA enumeration mode]
Continuous DQS toggling PDA
enumeration mode (default).
[Legacy PDA enumeration mode]
Legacy PDA enumeration mode.
DFE Read Training
Perform 2D Read Training with DFE on.
Configuration options: [Auto] [Enable] [Disable]
DDR Security
This item allows you to configure DDR Security.
TSME
Configuration options: [Auto] [Enabled] [Disabled]
AES
Configuration options: [AES-128] [AES-256]
Data Scramble
Configuration options: [Enabled] [Disabled] [Auto]
DDR Memory Features
This item allows you to configure DDR Memory Features.
Memory Context Restore
Allows you to configure the memory context restore mode. When enabled,
DRAM re-training is avoided when possible and the POST latency is
minimized.
Configuration options: [Auto] [Enabled] [Disabled]
DDR PHY Configuration
This item allows you to configure DDR PHY configurations.
DDR PHY PLL Bypass
Configuration options: [Auto] [Enabled] [Disabled]
DDR PHY PLL Bypass Frequency
[Auto]
Default settings.
[DDR-2000]
Enable PLL bypass for DDR-2000 and below.
[DDR-2400]
Enable PLL bypass for DDR-2400 and below.
NBIO Common Options
IOMMU
Configuration options: [Disabled] [Enabled] [Auto]
The following items appear only when
IOMMU
is set to
[Enabled]
.
Pre-boot DMA Protection
Allows you to enable or disable DMAr system protection during POST.
Configuration options: [Disabled] [Enabled] [Auto]
Kernal DMA Protection Indicator
Allows you to enable or disable DMA remap support in IVRS IVinfo Field.
Configuration options: [Disabled] [Enabled] [Auto]
DRTM Virtual Device Support
Configuration options: [Disabled] [Enabled] [Auto]