Pci-Express X4 Slots (Pcie_4X_Slot1, Slot2, Slot3, Slot4) - AXIOMTEK IMB541 User Manual

2.3.28 PCI-Express x4 Slots (PCIE_4X_SLOT1, SLOT2, SLOT3,
SLOT4)
This motherboard has four PCI-Express x4 slots
Pin Signal
B1 +12V_PS
B2 +12V_PS
B3 +12V_PS
B4 GND
B5 SMB_CLK_RESUME
B6 SMB_DATA_RESUME
B7 GND
B8 +3.3V_PS
B9 N/C
B10 +3.3V_SB
B11 PCH_WAKE_N
B12 N/C
B13 GND
B14 PCIE1_SLOT1_TX_DP_C
B15 PCIE1_SLOT1_TX_DN_C
B16 GND
B17 PCIEX4_SLOT1_PRSNT2_N
B18 GND
B19 PCIE2_TX_DP
B20 PCIE2_TX_DN
B21 GND
B22 GND
B23 PCIE3_TX_DP
B24 PCIE3_TX_DN
B25 GND
B26 GND
B27 PCIE4_TX_DP
B28 PCIE4_TX_DN
B29 GND
B30 N/C
B31 N/C
B32 GND
PCIE_4X_SLOT2 support the PCIE 4X GEN3 signal.
Note
Board and Pin Assignments
Pin Signal
A1 GND
A2 +12V_PS
A3 +12V_PS
A4 GND
A5 N/C
A6 N/C
A7 N/C
A8 N/C
A9 +3.3V_PS
A10 +3.3V_PS
A11 PWRGD
A12 GND
A13 CLKOUT_PCIE_P5
A14 CLKOUT_PCIE_N5
A15 GND
A16 PCIE1_SLOT1_RX_DP_C
A17 PCIE1_SLOT1_RX_DN_C
A18 GND
A19 N/C
A20 GND
A21 PCIE2_RX_DP
A22 PCIE2_RX_DN
A23 GND
A24 GND
A25 PCIE3_RX_DP
A26 PCIE3_RX_DN
A27 GND
A28 GND
A29 PCIE4_RX_DP
A30 PCIE4_RX_DN
A31 GND
A32 N/C
IMB540 User's manual
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