Nvidia BlueField-3 - 11.3 Cabline CA-II Plus Harness Pinouts

76
11.3 Cabline CA-II Plus Harness Pinouts
11.3.1 Cabline CA-II Plus Harness - Component Side
Pin# Signal Name Wire Type Detailed
Description
AWG# Pin# on the
other end
1 GND GND BAR 1
2 PCIE_REFCLK1_P Micro coax Primary PCIe clock
from the
motherboard to the
BlueField DPU Main
card, to be used for
the x16 Cabline
harness PCIe
interface. This clock
must meet all the
PCIe SIG spec
requirements. It
should be driven
from the
motherboard side.
38 2
3 PCIE_REFCLK1_N Micro coax Primary PCIe clock
from the
motherboard to the
BlueField DPU Main
card, to be used for
the x16 Cabline
harness PCIe
interface. This clock
must meet all the
PCIe SIG spec
requirements. It
should be driven
from the
motherboard side.
38 3
4 GND GND BAR 4
5 PCIE_CPU_CX_15N Micro coax Connect from the
Black Cabline CA-II
Plus cable through
220nF capacitors to
the x16 PCIe Tx
lanes of the CPU/
GPU/End-Point
38 5
6 PCIE_CPU_CX_15P Micro coax Connect from the
Black Cabline CA-II
Plus cable through
220nF capacitors to
the x16 PCIe Tx
lanes of the CPU/
GPU/End-Point
38 6
7 GND GND BAR 7