![](/images/new-backgrounds/1193269/19326971x1.webp)
2-6 Connectors/IO Ports
The I/O ports are color coded in conformance with the PC 99 specification. See the figure below for the colors and locations of the various I/O ports.
Backplane I/O Panel
AH K N Q
B DI L O R
C | E |
| F | G | J | M | P | S | ||
|
|
|
|
|
|
|
|
|
| |
|
|
| Backplane I/O Panel |
|
|
|
| |||
| A. USB 2.0 Port 0 |
| H. Gb LAN Port 1 | N. Center/LFE Out |
|
|
| |||
|
|
|
|
|
|
|
|
| ||
| B. USB 2.0 Port 1 |
| I. USB 3.0 Port 6 |
| O. Surround Out |
|
|
| ||
| C. HDMI Port |
|
| J. USB 3.0 Port 7 | P. S/PDIF Out |
|
| HD Audio | ||
|
|
|
|
|
|
|
|
|
| |
| D. VGA Port |
|
| K. Gb LAN Port 2 | Q. Line In |
|
|
| ||
|
|
|
|
|
|
| ||||
| E. DVI Port |
|
| L. USB 3.0 Port 4 | R. Line Out |
|
|
|
| |
|
|
|
|
|
|
|
|
| ||
| F. Thunderbolt Port |
| M. USB 3.0 Port 5 | S. Mic In |
|
|
|
| ||
| G. CMOS Reset |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|