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Text File  |  1989-03-09  |  1.6 KB  |  32 lines
  1.                               ST - 251N
  2.  
  3.        UNFORMATTED CAPACITY (MB) ________________N/A
  4.        FORMATTED CAPACITY (26/34* SECTORS) (MB) _43.1/43.2*
  5.        ACTUATOR TYPE ____________________________STEPPER
  6.        TRACKS ___________________________________3,280/2,520*
  7.        CYLINDERS ________________________________820/630*
  8.        HEADS ____________________________________4
  9.        DISCS ____________________________________2
  10.        MEDIA TYPE _______________________________THIN FILM
  11.        RECORDING METHOD _________________________RLL
  12.        TRANSFER RATE (mbits/sec) ________________7.5/10*
  13.        INTERFACE ________________________________SCSI
  14.        TPI (TRACKS PER INCH) ____________________777
  15.        BPI (BITS PER INCH) ______________________14,902/19,869*
  16.        AVERAGE ACCESS (ms) ______________________40/28*
  17.        SINGLE TRACK SEEK (ms) ___________________8
  18.        MTBF (power-on hours) ____________________45,000
  19.        POWER REQUIREMENTS: +12V START-UP (amps) _2.0/2.5*
  20.                            +12V TYPICAL (amps) __0.5
  21.                            +5V TYPICAL (amps) ___1.2/1.4*
  22.                            TYPICAL (watts) ______12/13*
  23.                            MAXIMUM (watts) ______30/37*
  24.        BUFFERED STEP PULSE RATE (micro sec) _____3-200
  25.        WRITE PRECOMP (cyl) ______________________N/A (821/630*)
  26.        REDUCED WRITE CURRENT (cyl) ______________N/A (821/630*)
  27.        LANDING ZONE (cyl)________________________AUTO PARK
  28.        IBM AT DRIVE TYPE ________________________N/A**
  29.  
  30.        *ST251N-0/ST251N-1
  31.        **MAY REQUIRE PARTITIONING SOFTWARE
  32.