1.
2.
7 JTAG_HOST_TDO Output No connected
8 JTAG_HOST_TMS Input No connected
9 +3.3v Input Power
10 +3.3v Input Power
11 PERST# Output PCIe Interface Reset#
For the PCIe interface via the card PCIe Edge connector For System NIC mode, it's direction will turn as input.
Mechanical Key
12 GND Ground Ground
13 REFCLK+ NA PCIe Reference Differential Clock. Not Connected (default)
PCIe separated clocking default scheme
Assembly option to support PCIe shared clocking scheme:
For BlueField Controller Card, REFCLK will be output
For SmartNIC mode, REFCLK will be input
14 REFCLK-
15 GND Ground
16 HSIp(0)
Output
BlueField Card PCIe TX to Carrier Board PCIe RX
17 HSIn(0)
18 GND Ground
19 RSVD NA NC optional on-board CPLD connectivity
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