Rev 2.0
Page 52 of 164
Generic Qseven Carrier Board Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
Table 15: PCIe x1 Connector Pin Out
Pin No
Pin Name
Signal Type
Voltage Level/
Termination
Description
A1
PRSNT1#
NC
NC
No Connection.
A2
+12V
Power
12V
12V Power Supply.
A3
+12V
Power
12V
12V Power Supply.
A4
GND6
Power
0V
Ground.
A5
TCK
NC
NC
No Connection.
A6
TDI
NC
NC
No Connection.
A7
TDO
NC
NC
No Connection.
A8
TMS
NC
NC
No Connection.
A9
+3.3V
Power
3.3V
3V Power Supply.
A10
+3.3V
Power
3.3V
3V Power Supply.
A11
PERST#
Output
3.3V CMOS
PCIe Reset.
Connected to 158
th
Pin of Qseven
MXM connector through buffer.
A12
GND7
Power
0V
Ground.
A13
Output
Differential
PCIe reference clock positive.
Connected to 157
th
Pin of Qseven
MXM connector through Clock
buffer.
A14
REFCLK-
Output
Differential
PCIe reference clock negative.
Connected to 157
th
Pin of Qseven
MXM connector through Clock
buffer.
A15
GND8
Power
0V
Ground.
A16
PERp0
Input
Differential
PCIe Receive Pair positive.
Connected to PCIe Switch
downstream Port2.
A17
PERn0
Input
Differential
PCIe Receive Pair negative.
Connected to PCIe Switch
downstream Port2.
A18
GND9
Power
0V
Ground.
B1
+12V
Power
12V
12V Power Supply.
B2
+12V
Power
12V
12V Power Supply.
B3
RSVD1
NC
NC
No Connection.
B4
GND1
Power
0V
Ground.