Pcie X8 Socket (Pcie1); Table 38: Pin Assignment Pcie1; Figure 22: Pcie X8 Socket Pcie1 - Kontron mITX-DNV User Manual

7.12. PCIE x8 Socket (PCIE1)

The 8-lane (x8) PCI Express slot connector can be used for external PCI Express cards inclusive graphics card and
dedicated TMDS passive card. The slot is located nearest the edge of the board. Maximum theoretical bandwidth
using 8 lines is 8 GB/s.

Figure 22: PCIE x8 Socket PCIE1

Table 38: Pin Assignment PCIE1

Pin
Signal
1 +12V
2 +12V
3 RSVD
4 GND
5 SMCLK
6 SMDAT
7
GND
8 +3.3V
9 JTAG1
10 3.3VAUX
11 PCIE_WAKE#
Mechanical Key
12 RSVD
13 GND
14 PETp0
15
PETn0
16 GND
17 PRSNT2#
18 GND
19 PETp1
20 PETn1
www.kontron.com
Side B Connector
Description
+12 V power
+12 V power
Reserved
Ground
SMBus clock
SMBus data
Ground
+3.3 V power
+TRST#
3.3 V power
Link Reactivation
Reserved
Ground
Transmitter Lane 0,
differential pair
Ground
Hot plug presence detect
Ground
Transmitter Lane 1, differential
pair
Side A Connector
Signal Description
PRSNT1# Hot plug presence detect
+12V +12 V power
+12V +12 V power
GND Ground
JTAG2 TCK
JTAG3 TDI
JTAG4 TDO
JTAG5 TMS
+3.3V +3.3 V power
+3.3V +3.3 V power
PERST# Reset
GND Ground
REFCLK+ Reference clock differential
pair
REFCLK-
GND Ground
PERp0 Receiver Lane 0, differential
pair
PERn0
GND Ground
RSVD Reserved
GND Ground
mITX-DNV - User Guide, Rev. 1.0
// 48