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COM Express Module Type Summary Features
COM Express supports seven pin-out Type apply to Basic and Extended form factors:
Module Type 1 and 10 supports single connector with two rows of pins (220 pins)
Module Type 2, 3, 4, 5 and 6 support two connectors with four rows of pins (440 pins)
Connector placement and most mounting holes have transparency between Form
Factors.
The differences amount the Module Types are summarized in table below:
Module Type
1
10
2
3
4
5
6
Connectors
1
1
2
2
2
2
2
Connector Rows
A, B
A, B
A, B,
C, D
A, B,
C, D
A, B,
C, D
A, B,
C, D
A, B,
C, D
PCIe Lanes (max)
6
4
22
22
32
32
24
PCI Bus
No
No
Yes
Yes
No
No
No
PATA - IDE
No
No
Yes
No
Yes
No
No
LAN (Max)
1
1
1
3
1
3
1
Serial Ports
No
0 / 2
No
No
No
No
0 / 2
Muxed SDVO
No
No
0 / 2
0 / 2
0 / 2
0 / 2
No
Digital Display I/F
No
No
No
No
No
No
0 / 3
USB 3.0 Ports
No
No
No
No
No
No
0 / 4
DDIs
No
No
No
No
No
No
0 / 3
LVDS Channel A
0 / 1
0 / 1
0 / 1
0 / 1
0 / 1
0 / 1
0 / 1
LVDS Channel B
0 / 1
No
0 / 1
0 / 1
0 / 1
0 / 1
0 / 1