|
ST-213 ST412 MFM /-4-3-2-1-\ | O O O O | Power o o o o o o o o +---------+ +Data Cable o o o o o o o o +Controller Cable 1 5 G G 12 --------- -- | | | | | | | | -------------------- --- ------------ | | | | | | | | +------------1 | | | | | | | | +-Terminator-+ | | | | | | | | Drive Select->1 2 3 4 | | | + Radial | | | | | +-- Reserved | +++ | +---- Write Fault | | +------ Factory Test | +--------- Never Used (Drive Select 3 and 4) + If twisted cable, use Drive Select 2 ST - 213 UNFORMATTED CAPACITY (MB) ________________12.8 FORMATTED CAPACITY (17 SECTORS) (MB) _____10.7 ACTUATOR TYPE ____________________________STEPPER TRACKS ___________________________________1,230 CYLINDERS ________________________________615 HEADS ____________________________________2 DISCS ____________________________________1 MEDIA TYPE _______________________________OXIDE RECORDING METHOD _________________________MFM TRANSFER RATE (mbits/sec) ________________5.0 SPINDLE SPEED (RPM) ______________________3,600 INTERFACE ________________________________ST412 TPI (TRACKS PER INCH) ____________________588 BPI (BITS PER INCH) ______________________9,827 AVERAGE ACCESS (ms) ______________________65 SINGLE TRACK SEEK (ms) ___________________20 MTBF (power-on hours) ____________________20,000 POWER REQUIREMENTS: +12V START-UP (amps) _2.2 +12V TYPICAL (amps) __0.9 +5V TYPICAL (amps) ___0.8 TYPICAL (watts) ______14.8 MAXIMUM (watts) ______30.4 BUFFERED STEP PULSE RATE (micro sec) _____5-200 WRITE PRECOMP (cyl) ______________________300 REDUCED WRITE CURRENT (cyl) ______________N/A (616) LANDING ZONE (cyl)________________________670 IBM AT DRIVE TYPE ________________________N/A Seagate reserves the right to change, without notice, product offerings or specifications. (6/26/90) |
|