
SM-B79
SM-B79 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: A.R - Reviewed by M.B. - Copyright © 2021 SECO S.p.A.
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Power Ground
GND
B16
A16
PC_X4
SMARC
®
module PCI-e lane Receiver lane #A+
Hot Plug presence detect. Input Signal from add in
card used to enable the reference clock of this slot.
PRSNT2#
B17
A17
PCIE_A_RX-_X4
SMARC
®
module PCI-e lane Receiver lane #A-
Power Ground
GND
B18
A18
GND
Power Ground
SMARC
®
module PCI-e lane Transmitter lane #B+
PC_X4
B19
A19
RSVD
Not Connected
SMARC
®
module PCI-e lane Transmitter lane #B-
PCIE_B_TX-_X4
B20
A20
GND
Power Ground
Power Ground
GND
B21
A21
PC_X4
SMARC
®
module PCI-e lane Receiver lane #B+
Power Ground
GND
B22
A22
PCIE_B_RX-_X4
SMARC
®
module PCI-e lane Receiver lane #B-
SMARC
®
module PCI-e lane Transmitter lane #C+
PC_X4
B23
A23
GND
Power Ground
SMARC
®
module PCI-e lane Transmitter lane #C-
PCIE_C_TX-_X4
B24
A24
GND
Power Ground
Power Ground
GND
B25
A25
PC_X4
SMARC
®
module PCI-e lane Receiver lane #C+
Power Ground
GND
B26
A26
PCIE_C_RX-_X4
SMARC
®
module PCI-e lane Receiver lane #C-
SMARC
®
module PCI-e lane Transmitter lane #D+
PC_X4
B27
A27
GND
Power Ground
SMARC
®
module PCI-e lane Transmitter lane #D-
PCIE_D_TX-_X4
B28
A28
GND
Power Ground
Power Ground
GND
B29
A29
PC_X4
SMARC
®
module PCI-e lane Receiver lane #D+
Not Connected
RSVD
B30
A30
PCIE_D_RX-_X4
SMARC
®
module PCI-e lane Receiver lane #D-
Hot Plug presence detect. Input Signal from add in
card used to enable the reference clock of this slot.
PRSNT2#
B31
A31
GND
Power Ground
Power Ground
GND
B32
A32
RSVD
Not Connected