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EPMe-42 BIOS Reference Manual 28
PCI Express Root Port 1-12
Port Mappings:
1 – XIO2001 PCIe-to-PCI Bridge
2 – I210 Ethernet (J4.2)
5 – PC104/Express OneBlade.
6 – PC104/Express OneBlade.
11 – PCIe Minicard.
12 – (HSIO16 used for SATA2 to Minicard)
PCI Express Root Port x
Option Default: 01
00 = Disabled
01 = Enabled
Option Help: Control the PCI Express Root Port.
ASPM
Option Default: 00
04 = Auto
03 = L0sL1
02 = L1
01 = L0s
00 = Disabled
Option Help: Automatically enable ASPM based on reported capabilities and known
issues.
L1 Substates
Option Default: 03
00 = Disabled
01 = L1.1
02 = L1.2
03 = L1.1 & L1.2
Option Help: PCI Express L1 Substates settings.
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