SEAGATE TECHNOLOGY, INC. Technical Support Bulletin Board 408/438-8771 [up to 9600, N-8-1] (C)opyright 1990 ST-4085 94155-85 WREN 2 FH UNFORMATTED CAPACITY (MB) ________________85 FORMATTED CAPACITY (17 SECTORS) (MB) _____71 ACTUATOR TYPE ____________________________VOICE COIL TRACKS ___________________________________8,192 CYLINDERS ________________________________1,024 HEADS ____________________________________8 DISCS ____________________________________5 MEDIA TYPE _______________________________OXIDE RECORDING METHOD _________________________MFM TRANSFER RATE (mbits/sec) ________________5.0 INTERFACE ________________________________ST506 TPI (TRACKS PER INCH) ____________________980 BPI (BITS PER INCH) ______________________9,400 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 (or 128 for the "85P" version) REDUCED WRITE CURRENT (cyl) ______________N/A (1024) IBM AT DRIVE TYPE ________________________4 * * MAY REQUIRE FORMATTING/PARTITIONING SOFTWARE Seagate reserves the right to change, without notice, product offerings or specifications. (6/26/90)