Front Usb Connectors: Jusb1 / Jusb2; Front Panel Audio Connector: Jaud1 - MSI 915G Neo3-FIR User Manual

M S-7166 ATX M ainboard

Front USB Connectors: JUSB1 / JUSB2

The mainboard provides two standard USB 2.0 pin headers JUSB1 / JUSB2.
USB 2.0 technology increases data transfer rate up to a maximum throughput of
480Mbps, which is 40 times faster than USB 1.1, and is ideal for connecting high-
speed USB interface peripherals such as USB HDD, digital cameras, MP3 players,
printers, modems and the like.
9
10
JUSB1 / JUSB2
(USB 2.0/standard spec)
MSI Reminds You...
Note that the pins of VCC and GND must be connected correctly, or it
may cause some damage.

Front Panel Audio Connector: JAUD1

The F_AUDIO front panel audio connector allows you to connect to the front
panel audio and is compliant with Intel
PIN SIGNAL
1 PORT 1L
2 GND
3 PORT 1R
4 PRESENCE#
5 PORT 2R
6 SENSE1_RETIRN
7 SENSE_SEND
8 KEY
9 PORT 2L
10 SENSE2_RETIRN
2-18
JUSB1 / JUSB2 Pin Definition
PIN
1
1
3
2
5
7
9
Front Panel I/O Connectivity Design Guide.
®
2 10
JAUD1
1 9
JAUD1 Pin Definition
DESCRIPTION
Analog Port 1 - Left channel
Ground
Analog Port 1 - Right channel
Active low signal - signals BIOS that a High Definition Audio
dongle is connected to the analog header. PRESENCE# = 0
when a High Definition Audio dongle is connected.
Analog Port 2 - Right channel
Jack detection return from front panel JACK1
Jack detection sense line from the High Definition Audio CODEC
jack detection resistor network
Connector Key
Analog Port 2 - Left channel
Jack detection return from front panel JACK2
SIGNAL PIN SIGNAL
VCC 2 VCC
USB0- 4 USB1-
USB0+ 6 USB1+
GND 8 GND
Key 10 USBOC