| Chapter 6: BIOS | |
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| Table | |
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Menu Option | Description | |
CS Sparing | This option reserves a spare memory rank in each node. Options include | |
Enable | Enabled and Disabled. | |
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Bank Swizzle | This option enables or disables bank swizzle mode. | |
Mode | ||
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ECC | This submenu contains the following options for ECC Configuration. | |
Configuration | ||
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| This option sets the level of ECC protection. Setting the option to ‘Super’ ECC | |
ECC Mode | mode dynamically sets the DRAM scrub rate so all of memory is scrubbed in 8 | |
hours. If you set this option to ‘User’ then you may further set the DRAM ECC | ||
| Enable option manually. Options include Disabled, Basic, Good, Super, Max and | |
| User. | |
DRAM | This option is only available for manual setting if the ECC Mode option above is | |
set to ‘User”. This option allows hardware to report and correct memory errors | ||
ECC | ||
automatically, maintaining system integrity. Options include Enabled or | ||
Enable | ||
Disabled. | ||
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DRAM Timing | This submenu contains the following options for DRAM Timing Configuration. | |
Configuration | ||
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DRAM Timing | This option allows you to set the DRAM Timing configuration as Auto or Manual. | |
Configuration |
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Memory Timing | This option selects which node’s timing parameters to display. Options include | |
Parameters | CPU Node 0 or CPU Node 3. | |
Memory | Static memory information is also displayed in this submenu that includes | |
Memory CLK, CAS Latency (Tcl), RAS/CAS Delay (Trcd), Row Precharge Time | ||
Information | (Trp), Min Active RAS (Tras), RAS/RAS Delay (Trrd), Row Cycle (Trc), Read to | |
| Precharge (Trtp) and Write Recover Time (Twr). | |
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IOMMU | This option enables or disables the IOMMU setting. | |
OHCI HC and EHCI | These settings allow to enable or disable the various OHCI or EHCI HC bus | |
HC Bus Settings | settings. | |
USB 2.0 Controller | This option allows you to configure the USB 2.0 controller in HiSpeed (480Mbps) | |
Mode | or Full Speed (12Mbps) mode. Options include Enabled or Disabled. | |
| This option enables support for legacy USB devices. Auto disables legacy | |
Legacy USB Support | support if no USB devices are connected. Options include Auto, Enabled or | |
| Disabled. |
