User`s manual

SBC86831 Series All-In-One Mini ITX Board User’s Manual

Jumpers and Connectors

2.4.23 PCI-Express X16 Slot: PCIE1

PCIE1 is a PCI-Express x16 graphics interface, It can support PCI-

Express x16 graphics card (PCI-Express x16), and Add2 card(SDVO

Bus). But it can only 2 select 1.And The Add2 card (SDVO Bus) by

default design.

Pin Signal Pin Signal Pin Signal Pin Signal

A1 N.C A2 +12V B1 +12V B2 +12V

A3 +12V A4 GND B3 +12V B4 GND

A5 N.C. A6 N.C. B5 SMB_CLK B6 SMB_DATA

A7 N.C A8 N.C B7 GND B8 +3.3V

A9 +3.3V A10 +3.3V B9 N.C B10 +3.3V_SBY

PCIE_WAKE-A11 PCIE_RESE

T-

A12 GND B11

N.C (Default)

B12 N.C

PCIE_CLK+ PCIE_CLK- PEG_TXP0 A13

N.C

(Default)

A14

N.C (Default)

B13 GND B14

N.C (Default)

PEG_RXP0 PEG_TXN0 A15 GND A16

N.C (Default)

B15

N.C (Default)

B16 GND

PEG_RXN0 N.C A17

N.C

(Default)

A18 GND B17

SDVO_CRTCL

K (Default)

B18 GND

PEG_TXP1 PEG_TXN1 A19 N.C A20 GND B19

N.C (Default)

B20

N.C (Default)

PEG_RXP1 PEG_RXN1A21

N.C

(Default)

A22

N.C (Default)

B21 GND B22 GND