Asus RS700-E7/RS8 - Manual (Page 82)

5-18 Chapter 5: BIOS setup
Mmio Ratio Skt0 [6]
This item appears only when you set the IOH Resource Selection Type item
to [manual]. Use the <+> and <-> keys to adjust the value. The values range
from 1 to 8 with a one-second interval.
MMIOH Size [64G]
Select number of 1GB contiguous regions to be assigned for MMIOH space.
Configuration options: [1G] [2G] [4G] [8G] [16G] [32G] [64G] [128G]
IOH0 PCIe port Bifurcation Control
IOU1 - PCIe Port [x4x4]
Configuration options: [x4x4] [x8]
PORT 1A Link Speed [Gen2]
Select target link speed Gen1, Gen2 or Gen3.
Configuration options: [Gen1] [Gen2] [Gen3]
PORT 1B Link Speed [Gen2]
Select target link speed Gen1, Gen2 or Gen3.
Configuration options: [Gen1] [Gen2] [Gen3]
IOU2 - PCIe Port [x16]
Configuration options: [x4x4x4x4] [x4x4x8] [x8x4x4] [x8x8] [x16]
PORT 2A Link Speed [Gen2]
Select target link speed Gen1, Gen2 or Gen3.
Configuration options: [Gen1] [Gen2] [Gen3]
IOU3 - PCIe Port [x8x8]
Configuration options: [x4x4x4x4] [x4x4x8] [x8x4x4] [x8x8] [x16]
Gen3 Equalization WA’s [Disabled]
Support for Gen3 equalization workarounds mentioned in SMB_BSU Version 0.83.
Configuration options: [Enabled] [Disabled]
IOH Resource Selection Type [Auto]
Allows to select auto/manual. When auto option is selected PCI resource allocation
across multiple IOHs is optimized automatically based on the PCI device present.
With manual option user can force the PCI resource allocation across multiple
IOHs based on the ratio selected. Configuration options: [Auto] [Manual]
IO Ratio Skt0 [3]
This item appears only when you set the IOH Resource Selection Type item
to [manual]. Use the <+> and <-> keys to adjust the value. The values range
from 1 to 8 with a one-second interval.