INSTALLATIONS
MB870 User’s Manual
21
J22: External Audio Connector
J22 is a 6-pin header that is used to connect to the optional audio cable
card that integrates jacks for Line Out and Mic.
Signal Name
Pin #
Pin #
Signal Name
LINEOUT_R 1 2 LINEOUT_L
Ground 3 4 Ground
MIC 1
5
6
MIC 2
J23: USB Connector (USB3/USB4)
The following table shows the pin outs of the USB pin headers
connectors (USB 2.0 compliant).
Signal Name Pin Pin Signal Name
Vcc 1
5
Ground
USB0- 2
6 USB1+
USB0+ 3
7 USB1-
Ground 4
8 Vcc
J25: Panel Inverter Power Connector
Pin #
Signal Name
1 +12V
(1A)
2 Ground
3 LCDVDD
4 ENABKL
J26: Panel Inverter Power Connector
Pin #
Signal Name
1 +12V
(1A)
2 NC
3 Ground
J27: CD-In Audio Connector
Pin #
Signal Name
1
CD Audio R
2 Ground
3 Ground
4
CD Audio L
Summary of Contents for MB870
Page 1: ...MB870 Socket 478 Pentium 4 ATI RS300M Mini ITX USER S MANUAL Version 1 0...
Page 4: ...iv MB870 User s Manual This page is intentionally left blank...
Page 8: ...INTRODUCTION 4 MB870 User s Manual Board Dimensions...
Page 34: ...INSTALLATIONS 30 MB870 User s Manual This page is intentionally left blank...