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BIOS Setup

DPD5MAN101

8.2.8. South Bridge Configuration

Table 15. South Bridge Configuration Setting

Setting

Contents

HPET Support

Set HPET (High Precision Event Timer).When enabled,

corresponding enable bit will be set by RSDT point HPET

table.

・Disabled

・Enabled (Default)

HPET Memory Map BAR

Select HPET memory map BAR address.

・FED00000 (Default)

・FED01000

・FED02000

・FED03000

State After G3

Set the state which will be moved when power is back after G3

state.

・State S5 (Default)

・State S0

Native PCI Express

Set Native PCI Express.

・Disabled (Default)

・Enabled

8.2.8.1. SB PCI Express Configuration

Table 16. SB PCI Express Configuration Setting

Setting

Contents

PCI Express Root Port Clock Gating

Set PCI Express Root Port Clock Gating.

・Disabled

・Enabled (Default)

DMI Link ASPM Control

Set DMI link ASPM (Active State Power Management).

・Disabled (Default)

・L0S

・L1

・L0S or L1

・Auto

DMI Link Extended Sync Control

Control of DMI link extension synchronous.

・Disabled (Default)

・Enabled

DMI Link Extended Sync Control

Control of DMI link extension synchronous.

・Disabled (Default)

・Enabled

PCIe-USB Glitch W/

Work Around to abnormal signal of PCIe-USB by fault device

connected to the behind of PCIE/PEG port.

・Disabled (Default)

・Enabled

PEG ASPM

Set PEG ASPM.

・Disabled (Default)

・L0s

・L1

・L0s and L1

・Auto

De-emphasis Control

Set PEG De-emphasis value.

・-6 dB (Default)

・-3.5 dB

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