Intel i5-2400 BX80623I52400 User Manual
Product codes
BX80623I52400
Datasheet, Volume 1
27
Interfaces
2.2.4
PCI Express Lanes Connection
2.3
Direct Media Interface (DMI)
Direct Media Interface (DMI) connects the processor and the PCH. Next generation
DMI2 is supported. The DMI is similar to a four-lane PCI Express supporting up to
1 GB/s of bandwidth in each direction.
DMI2 is supported. The DMI is similar to a four-lane PCI Express supporting up to
1 GB/s of bandwidth in each direction.
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.
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
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1 X
16
Con
tr
o
lle
r
Lane 0
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Lane 1
Lane 2
Lane 3
Lane 4
Lane 5
Lane 6
Lane 7
Lane 8
Lane 9
Lane 10
Lane 11
Lane 12
Lane 13
Lane 14
Lane 15
0
1
2
3
4
5
6
7
1 X
8
C
ont
ro
ll
er
0
1
2
3
1
X 4 Con
troller