HP A6000 P6000 M8000 Series M2N78-LA 489363-001 Desktop Motherboard. HP motherboards meets the current and future demands of high performance, power embedded computing, making it ideal for communications, transaction terminal, interactive client, industrial automation applications as well as for standard home use.

Manufacturer: HP
Part Numbers: M2N78-LA HP Viola-GL8E 489363-001
Compatible Models: HP A6000 P6000 M8000 Series Desktop systems

Specifications:

PS/2 mouse (green)
PS/2 keyboard (purple)
4 x USB Ports
DVI Port 
SPDIF coaxial out
IEEE 1394
RJ-45 Network (LAN)
Audio: Center/Subwoofer (yellow orange)
Audio: Rear Speaker Out (black)
Audio: Line In (light blue)
Audio: Line Out (lime)
Audio: Microphone (pink)
Audio: Side Speaker Out (gray)