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5 pci-express connectors, 1 pci-express x8, Pci-express connectors – Kontron KT690-mITX (BGA) - dual core User Manual

Page 37: Pci-express x8, Kt690 family

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KT690 Family

KTD-00738-J

Public User Manual

Date 2012-06-01

Page

37

PCI-Express Connectors

4.5

The KT690 board contains one 8-lane (x8) PCI Express port on a PCI Express x16 connector. The PCI
Express port is compliant to the PCI Express Specification revision 1.1a.

The x8 port operates at a frequency of 2.5 Gb/s on each lane; the port supports a maximum theoretical
bandwidth of 20 Gb/s in each direction.

The 8-lane (x8) PCI Express port supports:

1. An external graphics device utilizing all 8 lanes
2. A single x1, x2 or x4 general purpose PCI Express link


The PCI Express port does not support SDVO and ADD2 cards.

4.5.1

PCI-Express x8

The KT690 boards supports one 8-lane (x8) PCI Express port for external PCI Express based graphics
boards.

Note

Type

Signal

PIN

Signal

Type

Note

+12V

B1

A1

NC

+12V

B2

A2

+12V

+12V

B3

A3

+12V

GND

B4

A4

GND

SMB_CLK

B5

A5

NC

SMB_DATA

B6

A6

NC

GND

B7

A7

NC

+3V3

B8

A8

NC

NC

B9

A9

+3V3

SB3V3

B10

A10

+3V3

WAKE#

B11

A11

RST#

NC

B12

A12

GND

GND

B13

A13

PCIE_x16 CLK

PEG_TXP[0]

B14

A14

PCIE_x16 CLK#

PEG_TXN[0]

B15

A15

GND

GND

B16

A16

PEG_RXP[0]

I2C_CLK

B17

A17

PEG_RXN[0]

GND

B18

A18

GND

PEG_TXP[1]

B19

A19

NC

PEG_TXN[1]

B20

A20

GND

GND

B21

A21

PEG_RXP[1]

GND

B22

A22

PEG_RXN[1]

PEG_TXP[2]

B23

A23

GND

PEG_TXN[2]

B24

A24

GND

GND

B25

A25

PEG_RXP[2]

GND

B26

A26

PEG_RXN[2]

PEG_TXP[3]

B27

A27

GND

PEG_TXN[3]

B28

A28

GND

GND

B29

A29

PEG_RXP[3]

NC

B30

A30

PEG_RXN[3]

DDC_DATA

B31

A31

GND

GND

B32

A32

NC

PEG_TXP[4]

B33

A33

NC

PEG_TXN[4]

B34

A34

GND

GND

B35

A35

PEG_RXP[4]

GND

B36

A36

PEG_RXN[4]

PEG_TXP[5]

B37

A37

GND

PEG_TXN[5]

B38

A38

GND

GND

B39

A39

PEG_RXP[5]

GND

B40

A40

PEG_RXN[5]

PEG_TXP[6]

B41

A41

GND

PEG_TXN[6]

B42

A42

GND

GND

B43

A43

PEG_RXP[6]

GND

B44

A44

PEG_RXN[6]

PEG_TXP[7]

B45

A45

GND

PEG_TXN[7]

B46

A46

GND

GND

B47

A47

PEG_RXP[7]

(continues)

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