Seco COM-Express CCOMe-C79 User Manual page 36

Not Connected
Power Ground
PCI-e Transmitter lane 0+
PCI-e Transmitter lane 0-
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-e Transmitter lane 1+
PCI-e Transmitter lane 1-
Power Ground
Power Ground
PCI-e Transmitter lane 2+
PCI-e Transmitter lane 2-
Power Ground
Power Ground
PCI-e Transmitter lane 3+. Signal available to this
slot by setting jumper JP6 in 2-3 position.
PCI-e Transmitter lane 3-. Signal available to this
slot by setting jumper JP6 in 2-3 position.
Power Ground
Not Connected
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
CCOMe-C79
CCOMe-C79 - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: A.R. - Reviewed by E.S. Copyright © 2021 SECO S.p.A.
RSVD B12 A12
GND B13 A13
PCIE_TX0+ B14 A14
PCIE_TX0- B15 A15
GND B16 A16
PRSNT2# B17 A17
GND B18 A18
PCIE_TX1+ B19 A19
PCIE_TX1- B20 A20
GND B21 A21
GND B22 A22
PCIE_TX2+ B23 A23
PCIE_TX2- B24 A24
GND B25 A25
GND B26 A26
PCIE_TX3+ B27 A27
PCIE_TX3- B28 A28
GND B29 A29
RSVD B30 A30
PRSNT2# B31 A31
CB_RESET# using a Ultra High Speed CMOS
buffer. Active low signal, +3.3V_ALW electrical level
with a 100k pull down resistor.
GND Power Ground
PCI-e reference clock lane +, derived by
PCIEx4_1_CLK_P
PCIE_CK_REF+ using a Clock Buffer
PCI-e reference clock lane +, derived by
PCIEx4_1_CLK_N
PCIE_CK_REF- using a Clock Buffer
GND Power Ground
PCIE_RX0+ PCI-e Receiver lane 0+
PCIE_RX0- PCI-e Receiver lane 0-
GND Power Ground
RSVD Not Connected
GND Power Ground
PCIE_RX1+ PCI-e Receiver lane 1+
PCIE_RX1- PCI-e Receiver lane 1-
GND Power Ground
GND Power Ground
PCIE_RX2+ PCI-e Receiver lane 2+
PCIE_RX2- PCI-e Receiver lane 2-
GND Power Ground
GND Power Ground
PCI-e Receiver lane 3+. Signal available to this slot
PCIE_RX3+
by setting jumper JP6 in 2-3 position.
PCI-e Receiver lane 3-. Signal available to this slot
PCIE_RX3-
by setting jumper JP6 in 2-3 position.
GND Power Ground
36