Broadcom
P411W-32P-UG104
13
P411W-32P PCIe 4.0
User Guide
NVMe Switch Adapter
Figure 6 P411W-32P NVMe Switch Adapter Layout
J1, J2, J3, J4 (C0, C1, C2, C3)
– x8 SFF-8654 Slimline internal connectors
J22
– UART. Reserved for Broadcom use.
LED11
– SYS_ERROR_N LED
LED12
– Heartbeat LED
J11
– PCIe x16 board edge connector
8.2.1 Connectors
The following table defines the adapter’s internal x8 SFF-8654 SlimSAS connector pinouts. The adapter follows the
SFF-9402 standard for connector sideband signal assignments. Each x8 connector includes eight PCIe transmit and receive
lanes, and two sets of sidebands designated as A and B, in accordance with the SFF-9402 specification.
Table 7 Internal Connector Pinout
Pin
Signal Name
Pin
Signal Name
A1
GND
B1
GND
A2
PERp0
B2
PETp0
A3
PERn0
B3
PETn0
A4
GND
B4
GND
A5
PERp1
B5
PETp1
A6
PERn1
B6
PETn1
A7
GND
B7
GND
A8
BP_TYPEA
B8
2W-CLKA
A9
2W_RESETA
B9
2W-DATAA
A10
GND
B10
GND
A11
B11
PERSTA#
A12
REFCLKA-
B12
CPRSNTA#
A13
GND
B13
GND
A14
PERp2
B14
PETp2
A15
PERn2
B15
PETn2
A16
GND
B16
GND
A17
PERp3
B17
PETp3
A18
PERn3
B18
PETn3
A19
GND
B19
GND
*
*
*
*
*
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*
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#
#
#
#
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Summary of Contents for P411W-32P
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