
2-16
MS-7031 Micro ATX Mainboard
CD-In Connector: JCD1
The connector is for CD-ROM audio connector.
SPDIF-Out Connector: JSPD1 (Optional)
This connector is used to connect SPDIF (Sony & Philips Digital Interconnect
Format) interface for digital audio transmission.
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.
PIN SIGNAL PIN SIGNAL
1 VCC 2 VCC
3 USB0- 4 USB1-
5 USB0+ 6 USB1+
7 GND 8 GND
9 Key 10 USBOC
JUSB1/2 Pin Definition
Connected to JSPD1
SPDIF Bracket (Optional)
JSPD1
VCC
SPDIF
GND
JCD1
GND
R
L
JUSB1 / JUSB2
(USB 2.0/standard spec)
1
9
2 10
MSI Reminds You...
Note that the pins of VCC and GND must be connected correctly or
it may cause some damage.