SEAGATE TECHNOLOGY, INC.
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                            (C)opyright 1991



ST-4038 ST412 MFM

                                                          /─4─3─2─1─\
                                                          │ O O O O │ Power
                                                          └─────────┘
 ┌Data Cable                                        1       5 G G 12
 ═════════ ══                 ════════════════════ ═══   ════════════
              o o o o o o o o    ┌1     └Controller Cable
              o o o o o o o o    ││
Drive Select->1 2 3 4 │ │ │ │    │├─ Resistor Termination Pack
                │ │ │ │ │ │ │    ││
                │ └┬┘ │ │ │ │    └┘
                │  │  │ │ │ │
                │  │  │ │ │ │
                │  │  │ │ │ └ Radial
                │  │  │ │ └── Recovery Mode
                │  │  │ └──── Write Fault
                │  │  └────── Not Connected
                │  └───────── Never Used (Drive Select 3 and 4)
                └ If twisted cable, use Drive Select 2

                              ST - 4038

       UNFORMATTED CAPACITY (MB) ________________38.2
       FORMATTED CAPACITY (17 SECTORS) (MB) _____31.9
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________3,665
       CYLINDERS ________________________________733
       HEADS ____________________________________5
       DISCS ____________________________________3
       MEDIA TYPE _______________________________OXIDE
       RECORDING METHOD _________________________MFM
       TRANSFER RATE (mbits/sec) ________________5.0
       SPINDLE SPEED (RPM) ______________________3,600
       INTERFACE ________________________________ST412
       TPI (TRACKS PER INCH) ____________________750
       BPI (BITS PER INCH) ______________________9,617
       AVERAGE ACCESS (ms) ______________________40
       SINGLE TRACK SEEK (ms) ___________________8
       MTBF (power-on hours) ____________________25,000
       POWER REQUIREMENTS: +12V START-UP (amps) _4.0
                           +12V TYPICAL (amps) __1.5
                           +5V TYPICAL (amps) ___1.5
                           TYPICAL (watts) ______25.5
                           MAXIMUM (watts) ______56
       BUFFERED STEP PULSE RATE (micro sec) _____10-70
       WRITE PRECOMP (cyl) ______________________300
       REDUCED WRITE CURRENT (cyl) ______________N/A (734)
       LANDING ZONE (cyl)________________________AUTO PARK
       IBM AT DRIVE TYPE ________________________22, 20 or 8

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