179MB 5.25"

                       ST-2209N
                        94221-209/M WREN 5 HH

       UNFORMATTED CAPACITY (MB) ________________209
       FORMATTED CAPACITY (xx SECTORS) (MB) _____179
       AVERAGE SECTORS PER TRACK ________________45
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________7720
       CYLINDERS ________________________________1544
       HEADS ____________________________________5
       DISCS ____________________________________3
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________ZBR (RLL (2,7)
       TRANSFER RATE (mbytes/sec) _______________1.125-1.875
       SPINDLE SPEED (RPM) ______________________3,600
       AVERAGE LATENCY (mSEC) ___________________8.33
       BUFFER ___________________________________32 Kbyte
         Read Look-Ahead, Non Adaptive,
         Single-Segmented Buffer
       INTERFACE ________________________________SCSI
       TPI (TRACKS PER INCH) ____________________1280
       BPI (BITS PER INCH) ______________________19213
       AVERAGE ACCESS (ms) ______________________18
       SINGLE TRACK SEEK (ms) ___________________4
       MAX FULL SEEK (ms) _______________________40
       MTBF (power-on hours) ____________________100,000
       POWER REQUIREMENTS: +12V START-UP (amps) _4.5
                           +12V TYPICAL (amps) __0.9
                           +5V START-UP (amps) __1.3
                           +5V TYPICAL (amps) ___1.0
                           TYPICAL (watts) ______16
                           MAXIMUM (watts) ______61
       BUFFERED STEP PULSE RATE (micro sec) _____
       WRITE PRECOMP (cyl) ______________________N/A
       REDUCED WRITE CURRENT (cyl) ______________N/A
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________0 or NONE