SEAGATE TECHNOLOGY, INC.
Customer Technical Support FAX Network +1 408 438-8137
Customer Technical Support Bulletin Boards (300-9600, 8-N-1)
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(C)opyright 1991
ST-11201N SCSI-2 Fast Wide
ST - 11201N
UNFORMATTED CAPACITY (MB) ________________1,248
FORMATTED CAPACITY (xx SECTORS) (MB) _____1,054
AVERAGE SECTORS PER TRACK ________________73
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________28,080
CYLINDERS ________________________________1,872 (user)
HEADS ____________________________________15
DISCS (3.5 in) ___________________________8
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (1,7)
INTERNAL TRANSFER RATE (mbits/sec) _______22 to 40
EXTERNAL TRANSFER RATE (mbyte/sec) _______4 Async
EXTERNAL TRANSFER RATE (mbyte/sec) _______10 Sync
SPINDLE SPEED (RPM) ______________________5,411
AVERAGE LATENCY (mSEC) ___________________5.4
BUFFER ___________________________________240 Kbyte
Read Look-Ahead, Adaptive,
Multi-Segmented Cache
INTERFACE ________________________________SCSI-2 Fast Wide
BYTES PER TRACK __________________________41,660 avg.
SECTORS PER DRIVE ________________________2,059,139
TPI (TRACKS PER INCH) ____________________2,150
AVERAGE ACCESS (ms) (read/write)__________10.5/12.0 *
SINGLE TRACK SEEK (ms) ___________________2.6 *
MAX FULL SEEK (ms) _______________________26.6 *
MTBF (power-on hours) ____________________200,000
POWER REQUIREMENTS: +12V START-UP (amps) _2.0
+12V TYPICAL (amps) __0.5
+5V TYPICAL (amps) ___0.4
TYPICAL (watts) ______11
IDLE (watts) _________9
LANDING ZONE (cyl)________________________AUTO PARK
IBM AT DRIVE TYPE ________________________0 or NONE
* Including on-board controller overhead (0.6ms less
without overhead).
Already low-level formatted at the factory.
ZBR = Zone Bit Recording = Variable sectors per track
Formatted at the factory with 12 spare sectors per cylinder
and two spare cylinders at inner tracks per unit.
Seagate reserves the right to change, without notice, product
offerings or specifications. (10/22/92)
