Asus RS700-E10-RS12U User Manual - Page 173

PCI-E Port L1 Exit Latency [8uS - 16uS], Sierra Peak Memory Region Buffer Size [None]

Page 173 highlights

Sierra Peak Memory Region Buffer Size [None] Select size of memory buffer for each single Sierra Peak instance. Configuration options: [None] [1MB] [8MB] [64MB] [128MB] [256MB] [512MB] [1GB] Port 0/DMI Settings related to PCI Express Ports (0/1A/1B/1C/1D/2A/2B/2C/2D/3A/3B/3C/3D/4A4 B/4C/4D/5A/5B/5C/5D) Link Speed [Auto] Choose the Link Speed for this PCIe port. Configuration options: [Auto] [Gen 1 (2.5 GT/s)] [Gen 2 (5 GT/s)] [Gen 3 (8 GT/s)] The following item appears only when Link Speed is set to [Auto], [Gen 2 (5 GT/s)], or [Gen 3 (8 GT/s)]. PCI-E Port DeEmphasis [-6.0 dB] De-Emphasis control (LNKCON2 [6]) for this PCIe port. Configuration options: [-6.0 dB] [-3.5 dB] PCI-E Port Clocking [Common] Configure port clocking via LNKCON [6]. This refers to this component and the down stream component. Configuration options: [Distinct] [Common] PCI-E Port Clock Gating [Enable] Allows you to enable or disable Clock Gating for this PCIe port. Configuration options: [Disable] [Enable] Data Link Feature Exchange [Enable] Allows you to enable or disable data link feature negotiation in the Data Link Feature Capabilities (DLFCAP) register. Configuration options: [Disable] [Enable] DMI Port MPSS [Auto] Configure Max Payload Size Supported in PCIe Device Capabilities register. If default value is not used make sure MPSS in PCH root ports is updated to the same or smaller value. Configuration options: [128B] [256B] [Auto] PCI-E Port D-state [D0] Set to D0 for normal operation, D3Hot to bi in low-power state. Configuration options: [D0] [D3Hot] PCI-E ASPM Support [Disable] Allows you to enable or disable ASPM (L1) support for the downstream devices. Configuration options: [Auto] [L1 Only] [Disable] The following item appears only when PCI-E ASPM Support is set to [Auto] or [L1 Only]. PCI-E Port L1 Exit Latency [8uS - 16uS] The length of time this port requires to complete transition from L1 to L0. Configuration options: [64uS] ASUS RS700-E10 Series 5-41

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5-41
ASUS RS700-E10 Series
Sierra Peak Memory Region Buffer Size [None]
Select size of memory buffer for each single Sierra Peak instance.
Configuration options: [None] [1MB] [8MB] [64MB] [128MB] [256MB]
[512MB] [1GB]
Port 0/DMI
Settings related to PCI Express Ports (0/1A/1B/1C/1D/2A/2B/2C/2D/3A/3B/3C/3D/4A4
B/4C/4D/5A/5B/5C/5D)
Link Speed [Auto]
Choose the Link Speed for this PCIe port.
Configuration options: [Auto] [Gen 1 (2.5 GT/s)] [Gen 2 (5 GT/s)] [Gen 3 (8
GT/s)]
The following item appears only when
Link Speed
is set to
[Auto]
,
[Gen 2 (5 GT/s)]
, or
[Gen 3 (8 GT/s)]
.
PCI-E Port DeEmphasis [-6.0 dB]
De-Emphasis control (LNKCON2 [6]) for this PCIe port.
Configuration options: [-6.0 dB] [-3.5 dB]
PCI-E Port Clocking [Common]
Configure port clocking via LNKCON [6]. This refers to this component and
the down stream component.
Configuration options: [Distinct] [Common]
PCI-E Port Clock Gating [Enable]
Allows you to enable or disable Clock Gating for this PCIe port.
Configuration options: [Disable] [Enable]
Data Link Feature Exchange [Enable]
Allows you to enable or disable data link feature negotiation in the Data
Link Feature Capabilities (DLFCAP) register.
Configuration options: [Disable] [Enable]
DMI Port MPSS [Auto]
Configure Max Payload Size Supported in PCIe Device Capabilities
register. If default value is not used make sure MPSS in PCH root ports is
updated to the same or smaller value.
Configuration options: [128B] [256B] [Auto]
PCI-E Port D-state [D0]
Set to D0 for normal operation, D3Hot to bi in low-power state.
Configuration options: [D0] [D3Hot]
PCI-E ASPM Support [Disable]
Allows you to enable or disable ASPM (L1) support for the downstream
devices.
Configuration options: [Auto] [L1 Only] [Disable]
The following item appears only when
PCI-E ASPM Support
is set to
[Auto]
or
[L1 Only]
.
PCI-E Port L1 Exit Latency [8uS - 16uS]
The length of time this port requires to complete transition from L1 to L0.
Configuration options: [<1uS] [1uS - 2uS] [2uS - 4uS] [4uS - 8uS] [8uS -
16uS] [16uS - 32uS] [32uS - 64uS] [>64uS]