×

POWER MODE OPERATION OF A MAGNETIC TAPE DRIVE

  • US 20110102938A1
  • Filed: 11/05/2009
  • Published: 05/05/2011
  • Est. Priority Date: 11/05/2009
  • Status: Active Grant
First Claim
Patent Images

1. A method for operating a magnetic tape drive, said magnetic tape drive comprising I/O communications, memory, control system, tape drive system, tape read/write and servo system, and tape cartridge load/unload system, comprising the steps of:

  • operating said magnetic tape drive in a first low power mode if said magnetic tape drive is empty, said first low power mode comprising powering said I/O communications, said memory, and said control system;

    operating said magnetic tape drive in a second low power mode if a magnetic tape cartridge is in loaded position in said magnetic tape drive, said second low power mode the same as said first low power mode, and additionally powering said tape drive system to apply tension to a magnetic tape of said magnetic tape cartridge;

    in said first and said second low power modes, operating said I/O communications, said memory and said control system to respond to and execute commands received at said I/O communications if said commands are executable without magnetic tape access; and

    operating said magnetic tape drive in a full power mode, if a command received at said I/O communications requires magnetic tape access.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×