User Manual
ASUS P9A-I Series
4-47
Reserved I/O [4]
Sets the reserved I/O for the Root Bridge. Conguration options: [4K] [8K] [12K] [16K]
[20K]
Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc.
Main Advanced IntelRCSetup Server Mgmt Event Logs Security Boot Monitor Tool Exit
Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc.
Main Advanced IntelRCSetup Server Mgmt Event Logs Security Boot Monitor Tool Exit
Extra Bus Reserved (0-7)
for bridges behind this
Root Bridge
Enable/Disable C-state
POPUP
Extra Bus Reserved 0
C-state POPUP [Enabled]
PCI-to-PCI Bridge
PPM Config
Root Ports De-emphasis
Extra Bus Reserved [0]
Sets extra bus reserved for bridges behind the Root Bridge. Conguration options:
[0]~[7]
C-state POPUP [Enabled]
Enable this item to allow the system to transit from C3/C4 State to C2 State.
Conguration options: [Enabled] [Disabled]
PR1/2/3/4 De-emphasis [ -6 dB]
Sets the de-emphasis level for root ports 1, 2, 3 and 4. Conguration options: [-6 dB] [-3.5
dB]
Lane Power Gate [Enabled]
Enables or disables the power gate for PCIe root ports. Conguration options: [Enabled]
[Disabled]
Bifurcation [P3P2P1P0 X4X4X4X4]
Sets the root complex bifurcation. Conguration options: [Auto] [------P0 X16] [--P2--P0
X8X8] [--P2P1P0 X8X4X4] [P3P2--P0 X4X4X8] [P3P2P1P0 X4X4X4X4]
Clock Gating Settings [Enabled]
Enables or disables Clock Gating for PCIe devices. Conguration options: [Enabled] [Disabled]
Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc.
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Selectable De-emphasis
(SD)
Root Ports De-emphasis
PR1 De-emphasis [ -6 dB]
PR2 De-emphasis [ -6 dB]
PR3 De-emphasis [ -6 dB]
PR4 De-emphasis [ -6 dB]