IEI Integration ECW-281B-N270-WT v2.10 - Manual (Page 42)

ECW-281B-R21/N270 Embedded System
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Figure 3-7: PCIe Mini Card Slot Location
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 PCIE_WAKE# 2 VCC3
3 N/C 4 GND
5 N/C 6 1.5V
7 CLKREQ# 8 LFRAME#
9 GND 10 LAD3
11 CLK- 12 LAD2
13 CLK+ 14 LAD1
15 GND 16 LAD0
17 PCIRST# 18 GND
19 LPC 20 VCC3
21 GND 22 PCIRST#
23 PERN2 24 3VDual
25 PERP2 26 GND
27 GND 28 1.5V
29 GND 30 SMBCLK
31 PETN2 32 SMBDATA
33 PETP2 34 GND
35 GND 36 USBD-
37 N/C 38 USBD+
39 N/C 40 GND