| US 7,526,659 B2 | ||
| Systems and methods for controlling use of power in a computer system | ||
| Thomas P. Sawyers, Hempstead, Tex. (US); and Jeff K. Jeansonne, Houston, Tex. (US) | ||
| Assigned to Hewlett-Packard Development Company, L.P., Houston, Tex. (US) | ||
| Filed on Oct. 14, 2005, as Appl. No. 11/250,596. | ||
| Claims priority of provisional application 60/649448, filed on Feb. 01, 2005. | ||
| Prior Publication US 2006/0174143 A1, Aug. 03, 2006 | ||
| Int. Cl. G06F 1/00 (2006.01); G06F 1/26 (2006.01) | ||
| U.S. Cl. 713—300 [713/320] | 16 Claims |
| 3. A power adapter comprising:
a power supply to output power for powering a powered device;
wherein the power adapter outputs control information when the powered device should reduce an amount of power used thereby,
the control information for use by the powered device to control the amount of power used by the powered device;
wherein the power adapter outputs the control information when the amount of power output by the power adapter exceeds a threshold
value that is less than a maximum associated with the power adapter; and
wherein the control information comprises information indicative of by how much a load current output by the power supply
exceeds the threshold value.
|