Nvidia BlueField-3 - 4 Pinouts Description; 4.1 PCI Express Interface

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4 Pinouts Description
4.1 PCI Express Interface
The following table lists the PCI Express pins description. For further details, please refer toPCI
Express Interface.
DPU PCI Express x16 Pin Description
Pin
#
Signal
Name
Description Pin
#
Signal
Name
Description
A1 PRSNT1# Mechanical Present B1 12V
A2 12V B2 12V
A3 12V B3 12V
A4 GND B4 GND
A5 TCK JTAG - Not Connected B5 SMCLK Host SMBus
A6 TDI JTAG - Not Connected B6 SMDAT Host SMBus
A7 TDO JTAG - Not Connected B7 GND
A8 TMS JTAG - Not Connected B8 3.3V 3.3V - (Connected in
900-9D3B4-00CC-EA0
& 900-9D3B4-00SC-EA0
only)
A9 3.3V 3.3V - (Connected in 900-9D3B4-00CC-
EA0 & 900-9D3B4-00SC-EA0 only)
B9 TRST# JTAG - Not Connected
A10 3.3V 3.3V - (Connected in 900-9D3B4-00CC-
EA0 & 900-9D3B4-00SC-EA0 only)
B10 3.3V_AUX
A11 PERST# PCIe Reset B11 WAKW#/RSVD
A12 GND B12 RSVD
A13 REFCLK+ Host Reference Clock B13 GND
A14 REFCLK- Host Reference Clock B14 PETP0
A15 GND B15 PETN0
A16 PERP0 B16 GND
A17 PERN0 B17 RSVD
A18 GND B18 GND
A19 RSVD B19 PETP1
A20 GND B20 PETN1
A21 PERP1 B21 GND
A22 PERN1 B22 GND
A23 GND B23 PETP2
A24 GND B24 PETN2
A25 PERP2 B25 GND