COM Express Interfaces
Pin# Type 10 Description Type 2 Description Type 6 Description
C8 - IDE_D2 GND
C9 - IDE_D13 USB_SSRX2-
C10 - IDE_D1 USB_SSRX2+
C11 - GND(FIXED) GND(FIXED)
C12 - IDE_D14 USB_SSRX3-
C13 - IDE_IORDY USB_SSRX3+
C14 - IDE_IOR# GND
C15 - PCI_PME# DDI1_PAIR6+
C16 - PCI_GNT2# DDI1_PAIR6-
C17 - PCI_REQ2# RSVD
C18 - PCI_GNT1# RSVD
C19 - PCI_REQ1# PCIE_RX6+
C20 - PCI_GNT0# PCIE_RX6-
C21 - GND(FIXED) GND(FIXED)
C22 - PCI_REQ0# PCIE_RX7+
C23 - PCI_RESET# PCIE_RX7-
C24 - PCI_AD0 DDI1_HPD
C25 - PCI_AD2 DDI1_PAIR4 +
C26 - PCI_AD4 DDI1_PAIR4-
C27 - PCI_AD6 RSVD
C28 - PCI_AD8 RSVD
C29 - PCI_AD10 DDI1_PAIR5+
C30 - PCI_AD12 DDI1_PAIR5-
C31 - GND(FIXED) GND(FIXED)
C32 - PCI_AD14 DDI2_CTRLCLK_AUX+
C33 - PCI_C/BE1# DDI2_CTRLDATA_AUX-
C34 - PCI_PERR# DDI2_DDC_AUX_SEL
C35 - PCI_LOCK# RSVD
C36 - PCI_DEVSEL# DDI3_CTRLCLK_AUX+
C37 - PCI_IRDY# DDI3_CTRLDATA_AUX-
C38 - PCI_C/BE2# DDI3_DDC_AUX_SEL
C39 - PCI_AD17 DDI3_PAIR0+
C40 - PCI_AD19 DDI3_PAIR0-
C41 - GND(FIXED) GND(FIXED)
C42 - PCI_AD21 DDI3_PAIR1+
C43 - PCI_AD23 DDI3_PAIR1-
C44 - PCI_C/BE3# DDI3_HPD
C45 - PCI_AD25 RSVD
C46 - PCI_AD27 DDI3_PAIR2+
C47 - PCI_AD29 DDI3_PAIR2-
C48 - PCI_AD31 RSVD
C49 - PCI_IRQA# DDI3_PAIR3+
C50 - PCI_IRQB# DDI3_PAIR3-
C51 - GND(FIXED) GND(FIXED)
C52 - PEG_RX0+ PEG_RX0+
C53 - PEG_RX0- PEG_RX0-
PICMG
®
COM Express
®
Carrier Board Design Guide Rev. 2.0 / December 6, 2013
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