Advantech SOM-Express Design Guide
34 Chapter 3 Pin Assignments
3.3 Row C
Table 3.4 Connector C Pin Assignments
Pin Signal I/F I/O P Pin Signal I/F I/O P
C1 GND (FIXED) PWR PWR* - C56 PEG_RX1- PCIE I AC off
C2 IDE_D7 IDE IO VCC3/5 C57 TYPE1# MISC PDS -
C3 IDE_D6 IDE IO VCC3/5 C58 PEG_RX2+ PCIE I AC off
C4 IDE_D3 IDE IO VCC3/5 C59 PEG_RX2- PCIE I AC off
C5 IDE_D15 IDE IO VCC3/5 C60 GND (FIXED) PWR PWR*
C6 IDE_D8 IDE IO VCC3/5 C61 PEG_RX3+ PCIE I AC off
C7 IDE_D9 IDE IO VCC3/5 C62 PEG_RX3- PCIE I AC off
C8 IDE_D2 IDE IO VCC3/5 C63 RSVD RSVD - -
C9 IDE_D13 IDE IO VCC3/5 C64 RSVD RSVD - -
C10 IDE_D1 IDE IO VCC3/5 C65 PEG_RX4+ PCIE I AC off
C11 GND (FIXED) PWR PWR* - C66 PEG_RE4- PCIE I AC off
C12 IDE_D14 IDE IO VCC3/5 C67 RSVD RSVD - -
C13 IDE_IORDY IDE I VCC3/5 C68 PEG_RX5+ PCIE I AC off
C14 IDE_IOR# IDE O VCC3 C69 PEG_RX5- PCIE I AC off
C15 PCI_PME# PCI I VSB3/5 C70 GND(FIXED) PWR PWR*
C16
PCI_GNT2#
PCI
O
VCC3/5
C71 PEG_RX6+ PCIE I AC off
C17
PCI_REQ2#
PCI
I
VCC3/5
C72 PEG_RX6- PCIE I AC off
C18
PCI_GNT1#
PCI
O
VCC3/5
C73 SDVO_DATA SDVO IO OD VCC2.5
C19
PCI_REQ1#
PCI
I
VCC3/5
C74
PEG_RX7+ PCIE
I
AC off
C20
PCI_GNT0#
PCI
O
VCC3/5
C75
PEG_RX7- PCIE
I
AC off
C21 GND (FIXED) PWR PWR* - C76 GND PWR PWR* -
C22
PCI_REQ0#
PCI
I
VCC3/5
C77
RSVD
RSVD - -
C23
PCI_RESET#
PCI
O
VSB3/5
C78
PEG_RX8+ PCIE
I
AC off
C24 PCI_AD0 PCI IO VCC3/5 C79 PEG_RX8- PCIE I AC off
C25 PCI_AD2 PCI IO VCC3/5 C80 GND(FIXED) PWR PWR*
C26 PCI_AD4 PCI IO VCC3/5 C81 PEG_RX9+ PCIE I AC off
C27 PCI_AD6 PCI IO VCC3/5 C82 PEG_RX9- PCIE I AC off
C28 PCI_AD8 PCI IO VCC3/5 C83 RSVD RSVD - -
C29 PCI_AD10 PCI IO VCC3/5 C84 GND PWR PWR* -
C30 PCI_AD12 PCI IO VCC3/5 C85 PEG_RX10+ PCIE I AC off
C31 GND (FIXED) PWR PWR* - C86 PEG_RX10- PCIE I AC off
C32 PCI_AD14 PCI IO VCC3/5 C87 GND PWR PWR* -
C33
PCI_C/BE1#
PCI
IO VCC3/5 C88
PEG_RX11+
PCIE I AC off
C34
PCI_PERR#
PCI
IO VCC3/5 C89
PEG_RX11-
PCIE I AC off
C35
PCI_LOCK#
PCI
IO VCC3/5 C90
GND (FIXED)
PWR PWR*
C36
PCI_DEVSEL#
PCI
IO VCC3/5 C91
PEG_RX12+
PCIE I AC off
C37
PCI_IRDY#
PCI
IO
VCC3/5
C92
PEG_RX12-
PCIE I AC off
C38
PCI_C/BE2#
PCI
IO
VCC3/5
C93
GND
PWR PWR* -
C39 PCI_AD17 PCI IO VCC3/5 C94 PEG_RX13+ PCIE I AC off
C40 PCI_AD19 PCI IO VCC3/5 C95 PEG_RX13- PCIE I AC off
C41 GND (FIXED) PWR PWR* - C96 GND PWR PWR* -
C42 PCI_AD21 PCI IO VCC3/5 C97 RSVD RSVD - -
C43 PCI_AD23 PCI IO VCC3/5 C98 PEG_RX14+ PCIE I AC off
C44 PCI_C/BE3# PCI IO VCC3/5 C99 PEG_RX14- PCIE I AC off
C45 PCI_AD25 PCI IO VCC3/5 C100 GND (FIXED) PWR PWR*
C46 PCI_AD27 PCI IO VCC3/5 C101 PEG_RX15+ PCIE I AC off
C47 PCI_AD29 PCI IO VCC3/5 C102 PEG_RX15- PCIE I AC off
C48
PCI_AD31
PCI IO VCC3/5 C103
GND
PWR
PWR*
-
C49
PCI_IRQA#
PCI
I
VCC3/5
C104
VCC_12V
PWR
PWR*
-
C50
PCI_IRQB#
PCI
I
VCC3/5
C105
VCC_12V
PWR
PWR*
-
C51 GND(FIXED) PWR PWR* - C106
VCC_12V
PWR
PWR*
-
C52 PEG_RX0+ PCIE I AC off C107
VCC_12V
PWR
PWR*
-
C53 PEG_RX0- PCIE I AC off C108
VCC_12V
PWR
PWR*
-
C54 TYPE0# MISC PDS - C109
VCC_12V
PWR
PWR*
-
C55 PEG_RX1+ PCIE I AC off C110 GND (FIXED) PWR PWR* -
