RA90 disk drive

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The RA90 disk drive was a 1.216 GB (formatted) Standard Disk Interconnect non-removable-media disk from DEC.

Specifications

  • 2,649 User Cylinders
  • 14 Heads (13 data + 1 servo)
  • 69 Sectors (+ 1 spare)
  • 2,376,153 User Blocks
  • 19 ms Average Seek
  • 8.33 ms Average Latency

External links