Interconnect circuit, system, and method for providing operating modes for communication channels

1. A communication interconnect system operably associated with a communication link, the communication interconnect system comprising:

a control logic operable to alter an operating mode of a communication link using an operating parameter of a communication channel, wherein the operating parameter includes a de-emphasis level operating parameter to alter a signal level of the communication link and a channel speed operating parameter to establish a communication speed of the communication link; and

link interface operably coupled to the control logic, the link interface operable to communicate the operating parameter in association with determining the operating mode of the communication link, and further operable to establish the communication channel between the communication device and the communication interface based on the channel speed and the de-emphasis level.

2. The communication interconnect system of claim 1 , wherein the operating parameter is a function of a channel length of the communication link.

3. The communication interconnect system of claim 1 , wherein the operating parameter includes an S-parameter.

4. The communication interconnect system of claim 3 , farther comprising a memory device including an option read only memory (ROM) device accessible by a basic input output system (BIOS) associated with the communication interface.

5. The communication interconnect system of claim 3 , wherein the memory device includes a programmable memory device operable to establish capabilities in an associated configuration storage space.

6. The communication interconnect system of claim 5 , wherein the configuration storage space includes a capability list including an entry providing a channel length operating parameter and an associated a channel speed operating parameter.

7. The communication interconnect system of claim 1 , further comprising a communication interface card.

8. The communication interconnect system of claim 1 , wherein the communication link includes a serial communication link.

9. A method of determining an operating mode of a communication link, the method comprising:

providing an operating parameter within a memory device, the operating parameter associated with a channel characteristic of a communication channel;

reading the operating parameter stored within the memory device;

communicating the operating parameter to a communication interface;

comparing the operating parameter to a performance limit of the communication interface;

determining a channel speed based on the operating parameter;

determining a de-emphasis level based on the operating parameter;

establishing an operating mode of the communication link in response to the comparing the operating parameter to the performance limit; and

wherein the establishing includes establishing a communication channel between the communication device and the communication interface based on the channel speed and the de-emphasis level.

10. The method of claim 9 , further comprising:

accessing the operating parameter within an option read only memory (ROM) using a basic input output system (BIOS) operably associated with the communication interface; and

determining the operating mode using the operating parameter.

11. The method of claim 9 , further comprising:

accessing a capabilities list including the operating parameter; and

determining the operating mode based on the operating parameter accessed within the capabilities list.

12. The method of claim 11 , further comprising:

determining an S-Parameter in association with the communication link; and

establishing the operating mode using the S-parameter.

13. The method of claim 9 , wherein the communicating includes:

communicating the channel speed operating parameter and de-emphasis recommendation parameter; and

determining a channel communication speed and de-emphasis level.

14. An information handling system comprising:

a communication interface operable to establish a communication link based on an operating parameter of a communication channel, wherein the operating parameter includes a de-emphasis level operating parameter to alter a signal level of the communication link and a channel speed;

a communication apparatus including a memory device storing the operating parameter, the communication apparatus operable to be coupled to the communication interface using the communication link and operable to establish the communication channel between the communication apparatus and the communication interface based on the channel speed and the de-emphasis level; and

a processor operably coupled to the communication interface, the processor operable to determine the operating performance level of the communication channel of the communication link using the operating parameter.

15. The system of claim 14 , wherein the operating parameter includes an S-parameter.

16. The system of claim 15 , wherein the memory device includes an option read only memory (ROM) device.

17. The system of claim 16 , wherein the operating parameter further includes:

the de-emphasis level operating parameter is based on the channel length; and

the channel speed setting based on the channel length.