Advantech ASMB-822I, User Manual

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ASMB-822I User Manual 52
 Data Scrambling
Enable/Disable data scrambling.
 Device Tagging
Enable/Disable device tagging.
IOH Configuration

Intel I/OAT
Enable/Disable Intel I/O Acceleration Technology function.

DCA Support
Enable/Disable Direct Cache Access Support

VGA Priority
Determines priority between onboard and 1st off-board video device found.

MMCFG Base
Memory reservation for PCI/PCI-X/PCIe device of 32-bit operating system.

IOU 0 PCIe port Bifurcation control
IOU 1- PCIe Port(PCIEX16_SLOT2)
PORT 1A Link Speed
Select target link speed as Gen1, Gen2, Gen3
IOU2 - PCIe Port(PCIEX16_SLOT3 and SLOT4)
1. If plug only one expansion card in SLOT4, the PCIe link of SLOT4 will be x16.
2. If plug expansion cards both in SLOT3 & SLOT4, the PCIe link will switch to
two x8 for SLOT3 and SLOT4.
3. If plug only one expansion card in SLOT3, the PCIe link of SLOT3 will be x8.
PORT 2A Link Speed
Select target link speed as Gen1, Gen2, Gen3.