SEAGATE TECHNOLOGY, INC. Customer Technical Support FAX Network +1 408 438-8137 Customer Technical Support Bulletin Boards (300-9600, 8-N-1) 旼컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컫컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴커 � United States +1 408 438-8771 � United Kingdom +44 628 478011 � 쳐컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 � Germany +49 89 140-9331 � Singapore +65 227-2217 � 읕컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴켸 (C)opyright 1993 ST-43402ND Dual Port Differential Fast Wide SCSI-2 旼컴컴 Not used � 旼컴 Write Protect option enable � � 旼 Master off/Slave on - Spindle Sync � � � 縛탓냐냄J4A TOP 쿽ooo o� 쿽ooo o� o-a-o-o Power o o o o 읕컴컴켸 o-b-o-o �12횳횳�5커 o o o o J4B 袴袴袴袴袴넌^固固袴袴PWA袴袴袴袴� 0 0 0 0 팠妄妄妄妄袴袴袴� � � � � \컴컴컴컴�/ � � � � � � � � � � � ( \ � � � � Spinup Delay � � � � /) 널�\ � � � (10 secs * ID) 켸 � � � /鑛� 널款 � � � � Motor Start � � � 널款 널款 � � � option enable 컴켸 � � 널款 널款 � � � � Parity Check disable 컴컴켸 � 널款 널款 � � � Sweep Cycle enable 컴컴컴켸 널款 널款 � � � � 널款 널�/ � � 읕 Spindle Sync (SSCLK+) \鑛� ( / � � 읕컴 Spindle Sync (SSCLK-) \) Port B � 읕컴컴 Key (no pin) Port A 읕컴컴컴 Ground port a and b (horizontal) 旼컴컴컴쩡컴�(top pin-2)� LED 4 � 읕(bottom pin-1)� Manual Reset To activate J10 � 旼컴컴컴컴컴컴컴컴컴컫� Write Protect enable LED features, pin � � 읕 Write Protect enable is grounded to � � 旼컴컴컴컴컴컴컴컴컫� Port B active LED external switch.� � � 읕 SCSI ID 4 � � � 旼컴컴컴컴컴컴컴컫� Port A active LED � � � � 읕 SCSI ID 2 � � � � 旼컴컴컴컴컴컴컫� Ready LED � � � � � 읕 Self Test � � � � � 旼컴컴컴컴컴컫� LED 6 (n/a) � � � � � � 읕 Port B dictates Port A's ID � � � � � � 旼컴컴컴컴컫� Spinup Delay (10 secs * ID) � � � � � � � 읕 SCSI ID 1 �PWA袴袴袴 � � � � � � � 旼컴컴컴컫� Fault LED � � � � � � � � 읕 Motor Start Option enable � � � � � � � � 旼컴컴컫� Not assigned J01B � � � � � � � � � 읕 SCSI ID 8 ( \ 旼컴컴� � � � � � � � � � 旼컴컴� /) 널�\ �4o o3� � � � � � � � � � J01A �4o o3� /鑛� 널款 �2o쿽1� o o o o o o o o o �2o쿽1� 널款 널款 � 1 o o o o o o o o J10 � 널款 널款 읕컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 널款 널款 �o 旼컴컴GND컴컴컴커 � 널款 널款 憫o o o o o o o o o o � 널款 널�/ � o o 1 o o o o o o o o J9 � \鑛� ( / � 읓� 8 4 2 1 8 4 2 1 � � \) Port B � � 읕컴쩡� 읕컴쩡� � � Port A � � � � � � 쿕3� � � 읕 Port B dictates � Port A 켸 � � � Port A's ID � enable � � 읕컴컴 SCSI ID Port A � Port B 컴컴� 읕컴컴컴컴컴컴 SCSI ID Port B � enable � � 郞袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴拷 � � Terminator Power Source Options J01A & J01B 컴컴켸 쳐컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴커 � 2 & 4 � Initiator supplies power over the SCSI Bus for terminators. � � Drive supplies no terminator power. � � 1 & 2 � Drive supplies power for its own terminator resistor-paks � � but not to SCSI Bus. This is the factory setting. � � 1 & 3 � � AND � Drive supplies power for external terminator at end of the � � 2 & 4 daisy chain and supplies own terminator power. � 읕컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴켸 ST-43402ND does not come with any provision to use Termination resistors. Therefore, SCSI bus needs to be externally terminated. ST-43402ND Elite 3 UNFORMATTED CAPACITY _____________________3,554,871,600 FORMATTED CAPACITY (512 byte blk) ________2,912,484,864 AVERAGE SECTORS PER TRACK ________________99 (rounded down) ACTUATOR TYPE ____________________________STRAIGHT ARM TRACKS ___________________________________57,435 CYLINDERS ________________________________2,738/2,735 (user) HEADS ____________________________________21 DISCS (5.25 in) __________________________11 MEDIA TYPE _______________________________THIN FILM HEAD TYPE ________________________________THIN FILM RECORDING METHOD _________________________ZBR RLL (1,7) INTERNAL TRANSFER RATE (mbits/sec) _______35-52 INTERNAL TRANSFER RATE AVG (mbyte/sec) ___6.0 EXTERNAL TRANSFER RATE (mbyte/sec) _______10 (burst) SPINDLE SPEED (RPM) ______________________5,400 AVERAGE LATENCY (mSEC) ___________________5.55 COMMAND OVERHEAD (mSEC) __________________<0.5 BUFFER ___________________________________512 Kbyte Read Look-Ahead, Adaptive, Multi-Segmented Cache INTERFACE ________________________________SCSI-2 FAST Wide Dual-Port BYTES PER TRACK __________________________49,000-72,800 SECTORS PER DRIVE ________________________5,696,655 BYTES PER CYLINDER _______________________1,058,400 to 1,587,600 TPI (TRACKS PER INCH) ____________________ BPI (BITS PER INCH) ______________________ AVERAGE ACCESS (ms) read/write ___________10/11 SINGLE TRACK SEEK (ms) read/write ________0.9/1.7 MAX FULL SEEK (ms) read/write ____________22.5/23.5 MTBF (power-on hours) Class A Room _______300,000 MTBF (power-on hours) Office _____________200,000 POWER DISSIPATION (watts) ________________ POWER REQUIREMENTS: Single-ended/Differential +12V START-UP (amps) _3.98/4.60 +12V TYPICAL (amps) __1.90/1.88 +5V START-UP (amps) __2.37/3.48 +5V TYPICAL (amps) ___1.96/2.77 TYPICAL ( watts seek/read)_32.60/36.41 IDLE (watts) ______________28.34/31.81 USER MANUAL PART NUMBER __________________83327630 OTHER ____________________________________ Synchronized Spindles, Sweep Cycle Capability ** Already low-level formatted at the factory with six spare sectors per cylinder, one spare cylinders/unit, one system cylinder/unit, and one diagnostic cylinder/unit. Physical: Height (inches/mm): 3.25/82.6 Width (inches/mm): 5.75/146.1 Depth (inches/mm): 8.0/203 Weight (lbs/kg): 7.8/3.6 Seagate reserves the right to change, without notice, product offerings or specifications. (11/18/93)