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KTQ77/Flex Users Guide
KTD-N0848-B Page 54
7 Slot Connectors (PCIe, mSATA, miniPCIe, PCI)
7.1 PCIe Connectors
All members of the KTQ77 family supports one (x16) (16-lane) PCI Express port, one x4 PCI Express
port (in a x16 PCI Express connector) and two miniPCI Express ports.
The
16-lane (x16) PCI Express
(PCIe 2.0 and PCIe 3.0) port can be used for external PCI Express
cards inclusive graphics card. It is located nearest the CPU. Maximum theoretical bandwidth using 16
lanes is 16 GB/s.
The two
miniPCIe
(PCIe 2.0) is located on the backside of the board.
The
4-lane (x4) PCI Express
(PCIe 2.0) can be used for any PCIex1, PCIex2 or PCIex4 cards inclusive
“Riser PCIex1 to PCI Dual flexible card“. (EFT samples support only PCIe x1).
7.1.1 PCI-Express x16 Connector (PCIe x16)
Note
Type
Signal
PIN
Signal
Type
Note
+12V
B1
A1
NC
+12V
B2
A2
+12V
+12V
B3
A3
+12V
GND
B4
A4
GND
SMB_CLK
B5
A5
NC
SMB_DATA
B6
A6
NC
GND
B7
A7
NC
+3V3
B8
A8
NC
NC
B9
A9
+3V3
SB3V3
B10 A10
+3V3
WAKE#
B11 A11
RST#
NC
B12 A12
GND
GND
B13 A13
PCIE_x16 CLK
PEG_TXP[0]
B14 A14
PCIE_x16 CLK#
PEG_TXN[0]
B15 A15
GND
GND
B16 A16
PEG_RXP[0]
CLKREQ
B17 A17
PEG_RXN[0]
GND
B18 A18
GND
PEG_TXP[1]
B19 A19
NC
PEG_TXN[1]
B20 A20
GND
GND
B21 A21
PEG_RXP[1]
GND
B22 A22
PEG_RXN[1]
PEG_TXP[2]
B23 A23
GND
PEG_TXN[2]
B24 A24
GND
GND
B25 A25
PEG_RXP[2]
GND
B26 A26
PEG_RXN[2]
PEG_TXP[3]
B27 A27
GND
PEG_TXN[3]
B28 A28
GND
GND
B29 A29
PEG_RXP[3]
NC
B30 A30
PEG_RXN[3]
CLKREQ
B31 A31
GND
GND
B32 A32
NC
PEG_TXP[4]
B33 A33
NC
PEG_TXN[4]
B34 A34
GND
GND
B35 A35
PEG_RXP[4]
Slot Connectors