System and method for communicating over a connector device based on component characteristics stored with the components of the connector device
An information handling system may include a first computing device, a second computing device, a connector device connecting the first computing device and the second computing device, and a controller. The connector device may be assembled from a set of components, where one or more of the components have a memory storing signal integrity characteristics for the component. The controller may be connected to the component memories, and may also be connected to the first computing device and the second computing device.
1. An information handling system, comprising:
a first computing device;
a second computing device;
a connector device connecting the first computing device and the second computing device, the connector device assembled from a set of components, each component of the set of components having a memory storing signal integrity characteristics for the component; and
a controller connected to each of the memories, connected to the first computing device, and connected to the second computing device, the controller configured to access a look-up table, to compare the one or more signal integrity characteristics of the connector device with one or more entries of the look-up table, and to provide transmitter and receiver settings based upon the comparison.
2. The information handling system of claim 1 , wherein the information handling system is a server system.
3. The information handling system of claim 1 , wherein the controller is configured to access one or more of the memories and read signal integrity characteristics for the set of components from the memories.
4. The information handling system of claim 3 , wherein the controller is configured to determine one or more signal integrity characteristics of the connector device from the signal integrity characteristics read from the memories.
5. The information handling system of claim 4 , wherein the first computing device comprises a first transmitter and the second computing device includes a second receiver.
6. The information handling system of claim 5 , wherein the first transmitter is configured to transmit over a first channel provided by the connector device according to a communication standard based on the one or more signal integrity characteristics of the connector device, and wherein the second receiver is configured to receive over the first channel provided by the connector device according to the communication standard based on the one or more signal integrity characteristics of the connector device.
7. The information handling system of claim 6 , the controller is configured to determine a first set of transmitter settings for the first transmitter and a second set of receiver setting for the second receiver based on the one or more signal integrity characteristics of the connector device, and the controller is configured to provide the first set of transmitter settings for the first transmitter to the first computing device for configuration of the first transmitter according to the first set of transmitter settings.
8. The information handling system of claim 7 , wherein the controller determines the first set of transmitter settings by accessing the look-up table and comparing the one or more signal integrity characteristics of the connector device with the one or more entries of the look-up table.
9. The information handling system of claim 7 , wherein the communication standard is one of serial attached small computer serial interface (SAS) or peripheral component interconnect express (PCIe) standards.
10. The information handling system of claim 1 , wherein the connector device comprising at least one component from a group of components, the group of components comprising: a cable component, a connector component, and a midplane component.
11. The information handling system of claim 1 , wherein the memories are electrically erasable programmable read-only memories (EEPROMS).
12. An information handling system, comprising:
a first computing device;
a second computing device;
a connector device connecting the first computing device and the second computing device, the connector device assembled from constituent components, the constituent components including a first component having a first component memory storing signal integrity characteristics for the first component, the constituent components including a second component having a second component memory storing signal integrity characteristics for the second component; and
a controller connected to each of the memories, connected to the first computing device, and connected to the second computing device, the controller is configured to access a look-up table, to compare each of the signal integrity characteristics of the first component and the second component with one or more entries of the look-up table, and to provide transmitter and receiver settings based upon the comparison.
13. The information handling system of claim 12 , wherein the information handling system is a server system.
14. The information handling system of claim 12 , wherein the controller is configured to access the first component memory and read first component signal integrity characteristics for the first component from the first component memory.
15. The information handling system of claim 14 , wherein the controller is configured to determine one or more signal integrity characteristics of the connector device based on the first component signal integrity characteristics read from the first component memory.
16. The information handling system of claim 15 , wherein controller is configured to determine the one or more signal integrity characteristics of the connector device based on assumed signal integrity characteristics for the second component.
17. An information handling system, comprising:
a first computing device including a first transmitter;
a second computing device including a second receiver;
a connector device connecting the first computing device and the second computing device, the connector device assembled from a set of components, each component of the set of components having a memory storing signal integrity characteristics for the component; and
a controller connected to each of the memories, connected to the first computing device, and connected to the second computing device,
wherein the controller is configured to access one or more of the memories and read signal integrity characteristics for the set of components from the memories, and
wherein the controller is configured to determine a functionality of the connector device from the read signal integrity characteristics read from the memories.
18. The information handling system of claim 17 , wherein the first transmitter is configured to transmit over a first channel provided by the connector device according to a communication standard based on the one or more signal integrity characteristics of the connector device, and wherein the second receiver is configured to receive over the first channel provided by the connector device according to the communication standard based on the one or more signal integrity characteristics of the connector device.
19. The information handling system of claim 18 , the controller is configured to determine a first set of transmitter settings for the first transmitter and a second set of receiver setting for the second receiver based on the one or more signal integrity characteristics of the connector device, and the controller is configured to provide the first set of transmitter settings for the first transmitter to the first computing device for configuration of the first transmitter according to the first set of transmitter settings.
20. The information handling system of claim 19 , wherein the first transmitter and the second receiver negotiate a connection over the first channel based on the one or more signal integrity characteristics of the connector device.