Broadcom P411W-32P User Manual

Broadcom P411W-32P-UG104
9
P411W-32P PCIe 4.0 User Guide NVMe Switch Adapter
Figure 4 Backplane with x8 Connectors and VPP
5 Sideband Signals
The adapter has four x8 SFF-8654 connectors. Each x8 connector provides two sets of sidebands. This section describes
the sideband signals usage. The following table defines the sideband signal’s pins on the SFF-8654 connector. The last
column in the table indicates the strength of the pull-up resistor or pull-down resistor values on the adapter. See Ta ble 2,
Sideband Management Pin Settings, for the signal descriptions, and see Table 7, Internal Connector Pinout, for a complete
connector pinout.
Table 1 Sideband Signal Pinout
Connector
A Side
Connector
B Side
Sideband or Vendor
Specific Pin Number
UBM Assignments Direction Resistor Value
A8 A26 7 BP_TYPE Input 10 kΩ pull-up
A9 A27 4 2W_RESET# Output 1.0 kΩ pull-up
A10 A28 3 GND — —
A11 A29 + REFCLK+ Output —
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Broadcom P411W-32P Specifications

General

Brand	Broadcom
Model	P411W-32P
Category	Adapter
Language	English