
V1.0 Vig646M V2 Motherboard Manual
9
PCI Express x16 Graphics
The Intel Core i7, Intel Core i5, Intel Core i3, and Intel Pentium processors in an
LGA1155 socket support discrete add in graphics cards through the PCI Express 2.0 x16
graphics connector:
Supports PCI Express GEN2 frequency of 2.5 GHz resulting in 5.0 Gb/s each
direction (500 MB/s) per lane. Maximum theoretical bandwidth on interface is 8 GB/s
in each direction, simultaneously, when operating in x16 mode.
Supports PCI Express GEN1 frequency of 1.25 GHz resulting in 2.5 Gb/s each
direction (250 MB/s) per lane. Maximum theoretical bandwidth on interface is 4 GB/s
in each direction, simultaneously, when operating in x16 mode.
Audio Subsystem
The motherboard supports Intel High Definition Audio through a Realtek ACL887 audio
codec. The following software features are supported
Meets Microsoft WLP 3.x and future WLP audio requirements
WaveRT-based audio function driver for Windows Vista and Windows 7
EAX
TM
1.0 and 2.0 compatible
Direct Sound 3D
TM
compatible
I3DL2 compatible
Emulation of 26 sound environments to enhance gaming experience
Multi bands of software equalizer and tool are provided
Voice Cancellation and Key Shifting effect
Dynamic range control (expander, compressor and limiter) with adjustable
parameters
Smart multiple streaming operation
These audio connectors are used for audio devices. It is easy to differentiate between
audio effects according to the colour of audio jacks.
Figure 1:
Audio Connectors
Line-In (Blue) - Line In, is used for external CD player, tape-player or other audio
devices.
Line-Out (Green) - Line Out, is a connector for speakers or headphones.
Mic (Pink) - Mic, is a connector for microphones.
Notes:
If you want to reach the 8-channel sound effect, the 7th and 8th channels must
be output from front panel.