Interfaces and Connectors
VL-EPICs-36 Reference Manual
32
Audio (J6)
The audio interface on the VL-EPICs-36 is implemented using the IDT 92HD75B Audio Codec.
This interface is compatible with Intel’s High Definition (HD) Audio Interface and is Microsoft
WLP 3/4 premium logo compliant, as defined in WLP 3.09. Drivers are available for most
Windows-based operating systems. To obtain the most current versions, consult the
J6 provides the line-level stereo input and line-level stereo output connection points. The outputs
will drive any standard-powered PC speaker set.
These connectors use IEC 61000-4-2-rated TVS components to help protect against ESD
damage.
S
OFTWARE
C
ONFIGURATION
The audio interface uses PCI interrupt INTA#. CMOS Setup is used to select the IRQ line routed
to INTA#.
The audio controller can be disabled in CMOS Setup.
Table 11: Audio Connector Pinout
J6
Pin
Signal
Name
Function
1
AUDOUTR
Audio Line-Out Right
2
GND
Ground
3
AUDOUTL
Audio Line-Out Left
4
GND
Ground
5
AUDINR
Audio Line-In Right
6
GND
Ground
7
AUDINL
Audio Line-In Left
8
GND
Ground