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PCI Express Transmit Pair 39-
Power Ground
Hot Plug presence detect. Input Signal from add in
card used to enable the reference clock of this slot.
Active low signal, +3.3V_RUN electrical level with a
10k
Power Ground
PCI Express Transmit Pair 40+
PCI Express Transmit Pair 40-
Power Ground
Power Ground
PCI Express Transmit Pair 41+
PCI Express Transmit Pair 41-
Power Ground
Power Ground
PCI Express Transmit Pair 42+
PCI Express Transmit Pair 42-
Power Ground
Power Ground
PCI Express Transmit Pair 43+
PCI Express Transmit Pair 43-
Power Ground
Power Ground
PCI Express Transmit Pair 44+
PCI Express Transmit Pair 44-
Power Ground
Power Ground
PCI Express Transmit Pair 45+
PCI Express Transmit Pair 45-
Power Ground
Power Ground
CCHPC-C78-C
CCHPC-C78-C - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: S.O. - Reviewed by E.S. Copyright © 2023 SECO S.p.A.
PCIE_TX39-
B46
A46
GND
B47
A47
PRSNT2#
B48
A48
GND
B49
A49
PCIE_TX40+
B50
A50
PCIE_TX40-
B51
A51
GND
B52
A52
GND
B53
A53
PCIE_TX41+
B54
A54
PCIE_TX41-
B55
A55
GND
B56
A56
GND
B57
A57
PCIE_TX42+
B58
A58
PCIE_TX42-
B59
A59
GND
B60
A60
GND
B61
A61
PCIE_TX43+
B62
A62
PCIE_TX43-
B63
A63
GND
B64
A64
GND
B65
A65
PCIE_TX44+
B66
A66
PCIE_TX44-
B67
A67
GND
B68
A68
GND
B69
A69
PCIE_TX45+
B70
A70
PCIE_TX45-
B71
A71
GND
B72
A72
GND
B73
A73
GND
Power Ground
PCIE_RX39+
PCI Express Receive Pair 39+
PCIE_RX39-
PCI Express Receive Pair 39-
GND
Power Ground
RSVD
Not connected
GND
Power Ground
PCIE_RX40+
PCI Express Receive Pair 40+
PCIE_RX40-
PCI Express Receive Pair 40-
GND
Power Ground
GND
Power Ground
PCIE_RX41+
PCI Express Receive Pair 41+
PCIE_RX41-
PCI Express Receive Pair 41-
GND
Power Ground
GND
Power Ground
PCIE_RX42+
PCI Express Receive Pair 42+
PCIE_RX42-
PCI Express Receive Pair 42-
GND
Power Ground
GND
Power Ground
PCIE_RX43+
PCI Express Receive Pair 43+
PCIE_RX43-
PCI Express Receive Pair 43-
GND
Power Ground
GND
Power Ground
PCIE_RX44+
PCI Express Receive Pair 44+
PCIE_RX44-
PCI Express Receive Pair 44-
GND
Power Ground
GND
Power Ground
PCIE_RX45+
PCI Express Receive Pair 45+
PCIE_RX45-
PCI Express Receive Pair 45-
52
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