SEAGATE TECHNOLOGY, INC. Customer Technical Support FAX Network +1 408 438-8137 Customer Technical Support Bulletin Boards (300-9600, 8-N-1) /----------------------------------+---------------------------------\ | United States +1 408 438-8771 | United Kingdom +44 628 478011 | +----------------------------------+---------------------------------| | Germany +49 89 140-9331 | Singapore +65 227-2217 | \----------------------------------+---------------------------------/ (C)opyright 1991 ST-4038M ST412 MFM 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 _______________________________THIN FILM 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) ____________________15,000 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) ______________________N/A (734) REDUCED WRITE CURRENT (cyl) ______________N/A (734) LANDING ZONE (cyl)________________________AUTO PARK IBM AT DRIVE TYPE ________________________8 Seagate reserves the right to change, without notice, product offerings or specifications. (6/26/90)