Chapter 2 Installation
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EC5-1817LNAR
19 Reserved 20
W_DISABLE#
21 GND 22 PERST#
23 PERn0 24 +3.3V
25 PERp0 26 GND
27 GND 28 +1.5V
29 GND 30
SMB_CLK
31 PETn0 32
SMB_DATA
33 PETp0 34 GND
35 GND 36 USB_D-
37 GND 38
USB_D+
39 +3.3V 40 GND
41 +3.3V 42 NC
43 GND 44 NC
45 Reserved 46
NC
47 Reserved 48 +1.5V
49 Reserved 50 GND
51 Reserved 52 +3.3V
PCIe x4 Slot
The board provides one PCIe x4 slot, marked as PCIE1 on board. The pin definitions
are as follows
PCIE1
Pin
Signal Name
Pin
Signal
Name
Pin
Signal
Name
Pin
Signal
Name
A1 PRSNT1# A2
+12V
B1
+12V B2
+12V
A3 +12V A4
GND
B3
RSVD
B4
GND
A5 TCK A6
TDI
B5
SMCLK
B6
SMDATA
A7 TDO A8
TMS
B7
GND
B8
+3.3V
