Intel G870 BX80623G870 User Manual

Product codes

BX80623G870

Datasheet, Volume 1

Interfaces

2.2.4

PCI Express Lanes Connection

Figure 2-5

demonstrates the PCIe lanes mapping.

2.3

Direct Media Interface (DMI)

Direct Media Interface (DMI) connects the processor and the PCH. Next generation
DMI2 is supported.

Note:

Only DMI x4 configuration is supported.

2.3.1

DMI Error Flow

DMI can only generate SERR in response to errors, never SCI, SMI, MSI, PCI INT, or
GPE. Any DMI related SERR activity is associated with Device 0.

2.3.2

Processor/PCH Compatibility Assumptions

The processor is compatible with the

Intel

6 Series Chipset

PCH. The processor is

not compatible with any previous PCH products.

Figure 2-5. PCIe* Typical Operation 16 lanes Mapping