SEAGATE TECHNOLOGY, INC.
Technical Support Bulletin Board
408/438-8771  [300-9600 HST, MNP 3/5, N-8-1]
(C)opyright  1990

Wren 2 ST-506                 ST-4086 (94155-86)

      Drive Sel  Ŀ
      o o o o o     Term     1
      o o o o o   14 pin dip                        Ŀ
                                        O O O O  Power
      1 2 3 4 Radial                                  \/
                           Command Ŀ1  12 G G 5
      
         Data   Ŀ1  
      
                

                              ST-4086
                        94155-86 WREN 2 FH

       UNFORMATTED CAPACITY (MB) ________________86
       FORMATTED CAPACITY (17 SECTORS) (MB) _____72
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________8,325
       CYLINDERS ________________________________925
       HEADS ____________________________________9
       DISCS ____________________________________5
       MEDIA TYPE _______________________________OXIDE
       RECORDING METHOD _________________________MFM
       TRANSFER RATE (mbits/sec) ________________5.0
       INTERFACE ________________________________ST506
       TPI (TRACKS PER INCH) ____________________960
       BPI (BITS PER INCH) ______________________9,274
       AVERAGE ACCESS (ms) ______________________28
       SINGLE TRACK SEEK (ms) ___________________5
       MTBF (power-on hours) ____________________40,000
       POWER REQUIREMENTS: +12V START-UP (amps) _4.5
                           +12V TYPICAL (amps) __2.0
                           +5V START-UP (amps) __1.3
                           +5V TYPICAL (amps) ___0.75
                           TYPICAL (watts) ______28
                           MAXIMUM (watts) ______61
       BUFFERED STEP PULSE RATE (micro sec) _____8-200
       WRITE PRECOMP (cyl) ______________________N/A (926)
       REDUCED WRITE CURRENT (cyl) ______________N/A (926)
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________46, *

 * MAY REQUIRE A CONTROLLER WITH BIOS SUPPORT, OR FORMATTING 
   AND PARTITIONING SOFTWARE.  ALSO, CHECK TO SEE IF YOUR CMOS SETUP 
   HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE AVAILABLE.

Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)
