Product Information • SCX-PCIE • Secondary Backplane Controller

Mini Card Host Connector

The SCX-PCIE is provided with a PCI Express® Mini Card host connector. It is suitable for PCIe®

based modules, and also USB 2.0 driven Mini Card modules. As an alternate, the socket can be

used also with mSATA SSD modules.

MC1 • PCI Express® Mini Card

or mSATA SSD

PCI Express® Mini Card Socket (255.4.1.052.14) & Latch (255.4.1.052.94)

PCIE_WAKE#

1

2

+3.3V

COEX1 (GPIO2/6/10/14)

3

4

GND

COEX2 (GPIO3/7/11/15)

5

6

+1.5V

CLKREQ# (NC)

7

8

UIM_C1

GND

9

10

UIM_C7

PCIE_CLK-

11

12

UIM_C3

PCIE_CLK+

13

14

UIM_C2

GND

15

16

UIM_C6

UIM_C8

17

18

GND

UIM_C4

19

20

W_DIS1# (GPIO0/4/8/12)

GND

21

22

RST#

PCIE_RN (SATA +B)

23

24

+3.3V

PCIE_RP (SATA -B)

25

26

GND

GND

27

28

+1.5V

GND

29

30

SMB_CLK

PCIE_TN (SATA -A)

31

32

SMB_DAT

PCIE_TP (SATA +A)

33

34

GND

GND

35

36

USB_D- *

GND

37

38

USB_D+ *

+3.3V

39

40

GND

+3.3V

41

42

LED_WWAN#

GND / NC

**

43

44

LED_WLAN#

RSV (NC)

45

46

LED_WPAN#

RSV (NC)

47

48

+1.5V

RSV (NC)

49

50

GND

W_DIS2# (GPIO1/5/9/13)

51

52

+3.3V

Power: The socket can supply a Mini Card with +3.3V/2.5A and +1.5V/1A

* USB 2.0 derived from CPU carrier card PCH via HSE1 mezzanine connector

** Pin 43 is used for autosensing between PCIe® or mSATA cards (PCIe®=GND, mSATA=NC)

1

2

51

52

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