Asus RS100-E11-PI2 RS100-E10-PI2 User Manual - Page 110
PCI Express GEN 2 Settings, PCI Express GEN2 Device Register Settings
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Maximum Payload [Auto] Allows you to set Maximum Payload of PCI Express Device or allow System BIOS to select the value. Configuration options: [Auto] [128 Bytes] [256 Bytes] [512 Bytes] [1024 Bytes] [2048 Bytes] [4096 Bytes] Maximum Read Request [Auto] Allows you to set Maximum Read Request Size of PCI Express Device or allow System BIOS to select the value. Configuration options: [Auto] [128 Bytes] [256 Bytes] [512 Bytes] [1024 Bytes] [2048 Bytes] [4096 Bytes] PCI Express Link Register Settings ASPM Support [Disabled] Allows you to set the ASPM level. [Disabled] Disables ASPM. [Auto] BIOS auto configure. [Force L0s] Force all links to L0 State. Enabling ASPM may cause some PCI-E devices to fail. Extended Synch [Disabled] If this item is enabled, it will allow generation of Extended Synchronization patterns. Configuration options: [Disabled] [Enabled] Link Training Retry [5] Allows you to define the number of Retry Attempts software will take to retrain the link if previous training attempt was unsuccessful. Configuration options: [Disabled] [2] [3] [5] Link Training Timeout (uS) [1000] Allows you to define the number of Microseconds software will wait before polling 'link Training' bit in Link Status register. Configuration options: [10] - [10000] Unpopulated Links [Keep Link ON] If this option is set to [Disable Link], in order to save power, software will disable unpopulated PCI Express Links. Configuration options: [Keep Link ON] [Disabled Link] PCI Express GEN 2 Settings The items in this submenu allow you change PCI Express GEN Devices Settings. PCI Express GEN2 Device Register Settings Completion Timeout [Default] In device Functions that support Completion Timeout programmability, allows system software to modify the Completion Timeout value. [Default] 50us to 50ms. [Shorter] Software will use shorter timeout ranges supported by hardware. [Longer] Software will use longer timeout ranges. [Disabled] Disable completion timeout. 5-28 Chapter 5: BIOS Setup