Patent ID: 6317839
Filing Date: 2001-11-13
Classification: G06F,G11B,Y02D

Abstract:
A data storage device for utilization in a computer system having one or more computers and communicative over a continuously clocked serial link, said data storage device comprising:a housing;a power supply;data storage components, said data storage components carried in said housing, said data storage components having a substantially powered up state and a substantially powered down state, said data storage components operative to enter the substantially powered down state responsive to a power down signal;one or more data communication interfaces, said data communication interfaces carried on said housing and coupled to said data storage components, each of said data communication interfaces adapted for coupling with a computer through conductors; anddetector circuitry, said detector circuitry operative to detect a loss of a clock signal for an active communication link at each one of said data communication interfaces and to produce the power down signal in response thereto.