Systems and methods for dynamically electrically margining devices in an information handling system

1. An information handling system comprising:

a processor;

an information handling resource communicatively coupled to the processor; and

an electrical margining module communicatively coupled to the processor and configured to, during a boot of the information handling system:

determine whether a condition has occurred for electrically re-margining the information handling resource; and

responsive to determining that the condition has occurred:

determine a new receiver equalization setting for receiving signals from the information handling resource; and

determine a new driver pre-emphasis setting for transmitting signals to the information handling resource.

2. The information handling system of claim 1 , wherein the information handling resource comprises a storage media device.

3. The information handling system of claim 1 , wherein the condition for electrically re-margining the information handling resource comprises a replacement of the information handling resource.

4. The information handling system of claim 1 , wherein the condition for electrically re-margining the information handling resource comprises an error rate associated with the information handling resource exceeding a threshold rate.

5. The information handling system of claim 1 , wherein the condition for electrically re-margining the information handling resource comprises a lack of detection of the information handling resource.

6. The information handling system of claim 1 , wherein the condition for electrically re-margining the information handling resource comprises an unexpected shutdown of the information handling system.

7. The information handling system of claim 1 , wherein the condition for electrically re-margining the information handling resource comprises a stop error of the information handling system.

8. The information handling system of claim 1 , wherein the condition for electrically re-margining the information handling resource comprises a firmware update to a basic input/output system the information handling system.

9. The information handling system of claim 1 , wherein the electrical margining module is embodied in a basic input/output system the information handling system.

10. The information handling system of claim 1 , wherein determining the new receiver equalization setting for receiving signals from the information handling resource and determining the new driver pre-emphasis setting for transmitting signals to the information handling resource comprises determining electrical margins for receiver equalization and driver pre-emphasis at a plurality of power management settings for the information handling resource and selecting the power management setting providing the widest electrical margins.

11. A method comprising, during a boot of an information handling system:

determining whether a condition has occurred for electrically re-margining an information handling resource of the information handling system; and

responsive to determining that the condition has occurred:

determining a new receiver equalization setting for receiving signals from the information handling resource; and

determining a new driver pre-emphasis setting for transmitting signals to the information handling resource.

12. The method of claim 11 , wherein the information handling resource comprises a storage media device.

13. The method of claim 11 , wherein the condition for electrically re-margining the information handling resource comprises a replacement of the information handling resource.

14. The method of claim 11 , wherein the condition for electrically re-margining the information handling resource comprises an error rate associated with the information handling resource exceeding a threshold rate.

15. The method of claim 11 , wherein the condition for electrically re-margining the information handling resource comprises a lack of detection of the information handling resource.

16. The method of claim 11 , wherein the condition for electrically re-margining the information handling resource comprises an unexpected shutdown of the information handling system.

17. The method of claim 11 , wherein the condition for electrically re-margining the information handling resource comprises a stop error of the information handling system.

18. The method of claim 11 , wherein the condition for electrically re-margining the information handling resource comprises a firmware update to a basic input/output system the information handling system.

19. The method of claim 11 , wherein determining the new receiver equalization setting for receiving signals from the information handling resource and determining the new driver pre-emphasis setting for transmitting signals to the information handling resource comprises determining electrical margins for receiver equalization and driver pre-emphasis at a plurality of power management settings for the information handling resource and selecting the power management setting providing the widest electrical margins.

20. An article of manufacture comprising:

a non-transitory computer-readable medium; and

computer-executable instructions carried on the computer-readable medium, the instructions readable by a processor, the instructions, when read and executed, for causing the processor to, in an information handling system comprising a memory communicatively coupled to the processor and comprising a plurality of non-volatile memories:

determine whether a condition has occurred for electrically re-margining an information handling resource of the information handling system; and

responsive to determining that the condition has occurred:

determine a new receiver equalization setting for receiving signals from the information handling resource; and

determine a new driver pre-emphasis setting for transmitting signals to the information handling resource.