User guide

ECW-281B-D2550 Embedded System
Page 85
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
21 GND 22 PCIRST#
23 PCIE_RXN 24 VCC3
25 PCIE_RXP 26 GND
27 GND 28 1.5V
29 GND 30 SMBCLK
31 PCIE_TXN 32 SMBDATA
33 PCIE_TXP 34 GND
35 GND 36 USBD-
37 GND 38 USBD+
39 VCC3 40 GND
41 VCC3 42 N/C
43 GND 44 N/C
45 N/C 46 N/C
47 N/C 48 1.5V
49 N/C 50 GND
51 N/C 52 VCC3
Table 6-12: PCIe Mini Card Slot (M_PCIE1, M_PCIE2) Pinouts
6.2.12 Power & HDD LED Connector (CN2)
PIN NO. DESCRIPTION
1 +5V
2 GND
3 Power LED+
3 Power LED-
5 HDD LED+
6 HDD LED-
Table 6-13: Power & HDD LED Connector (CN2) Pinouts