Nvidia MCP 78S User Manual page 18

(3) PS/2 Mouse & PS/2 Keyboard Connector: KB
The connectors are for PS/2 keyboard and PS/2 Mouse.
(4) USB Port connector:US1 for USB
The connectors are 4-pin connector that connects USB devices to the system
board.
(5) LAN Port connector: UL3 for RJ45 LAN
This connector is standard RJ45 connector for Network.It supports
10M/100Mb/1000Mb s data transfer rate
(6) Audio Line-In, Lin -Out, MIC, Surrback, Surround, CEN/BASS Connector
These Connectors are 6 Phone-Jack for LINE-OUT, LINE-IN, MIC, Surrback,
Surround, CEN/BASS audio connections.
Line-in : (BLUE)
Line-out : (GREEN)
MIC : (PINK)
Surrback : (ORANGE)
CEN/BASS : (BLACKNESS) Audio output to speaker-Center/Subwoofer speaker
out
Surround: (GRAY)
(7) Floppy drive Connector (34-pin block): FDD
This connector supports the provided floppy drive ribbon cable. After connecting
the single plug end to motherboard, connect the two plugs at other end to the
floppy drives.
Audio input to sound chip
Audio output to speaker
Microphone Connector
Audio output to speaker-Rear speaker out
Audio output to speaker-Side speaker out
PS/2
Mouse
Connector
PS/2
VGA
Keyboard
Connector
Floppy Drive Connector
14
RJ45 LAN
HDMI
MIC-IN
USB
USB
FDD
Pin 1
Line-IN
Surrback
Line-OUT
CEN/BASS
Surround