Mainboard nForce 680i SLI/
Mainboard nForce 680i LT SLI
17
Audio Configuration
Front Audio Header: FP AUDIO
The audio header supports High Definition Audio standard and provides two kinds of audio
output choices, the Front Audio and the Rear Audio. The front audio supports re-tasking
function.
Slots
PCI-Express x16 Interface slot: PCIE x16_1/ PCIE x16_2
These mainboards provide two PCI-Express x16 slots which support one-way bandwidth up to
4 GB/s. They are also allowed to install two identical SLI-ready PCI-Express graphics cards to
enable SLI Technology for better graphics performance.
PCI-Express x8 Interface slot: PCIE x16_3
（
nForce 680i SLI only
）
The nForce 680i SLI allows you to install an external graphics card, which the PCI-Express x8
interface, supporting one-way bandwidth up to 2 GB/s, is compatible to this PCIE x16_3 slot.
FP AUDIO
Pin
Assignment
Pin
Assignment
1
PORT1_L
2
AUD_GND
3
PORT1_R
4
PRECENCE_J
5
PORT2_R
6
SENSE1_RETURN
7
SENSE_SEND
8
Key
9
PORT2_L
10
SENSE2_RETURN
