SEAGATE TECHNOLOGY, INC. Customer Technical Support FAX Network +1 408 438-8137 Customer Technical Support Bulletin Boards (300-9600, 8-N-1) ��������������������������������������������������������������������Ŀ � United States +1 408 438-8771 � United Kingdom +44 628 478011 � ��������������������������������������������������������������������Ĵ � Germany +49 89 140-9331 � Singapore +65 227-2217 � ���������������������������������������������������������������������� (C)opyright 1993 ST-43402ND Dual Port Differential Fast Wide SCSI-2 ������ Not used � ���� Write Protect option enable � � �� Master off/Slave on - Spindle Sync � � � ��ſ�ij�J4A TOP �oooo o� �oooo o� o-a-o-o Power o o o o �������� o-b-o-o �12�G�G�5Ŀ o o o o J4B ���������ͳ�^ͳͳ����PWA�������͵ 0 0 0 0 ����������������� � � � � \���������/ � � � � � � � � � � � ( \ � � � � Spinup Delay � � � � /) ���\ � � � (10 secs * ID) �� � � � /�γ ��γ � � � � Motor Start � � � ��γ ��γ � � � option enable ���� � � ��γ ��γ � � � � Parity Check disable ������ � ��γ ��γ � � � Sweep Cycle enable �������� ��γ ��γ � � � � ��γ ���/ � � �� Spindle Sync (SSCLK+) \�γ ( / � � ���� Spindle Sync (SSCLK-) \) Port B � ������ Key (no pin) Port A �������� Ground port a and b (horizontal) �������������(top pin-2)� LED 4 � ��(bottom pin-1)� Manual Reset To activate J10 � ����������������������� Write Protect enable LED features, pin � � �� Write Protect enable is grounded to � � ��������������������� Port B active LED external switch.� � � �� SCSI ID 4 � � � ������������������� Port A active LED � � � � �� SCSI ID 2 � � � � ����������������� Ready LED � � � � � �� Self Test � � � � � ��������������� LED 6 (n/a) � � � � � � �� Port B dictates Port A's ID � � � � � � ������������� Spinup Delay (10 secs * ID) � � � � � � � �� SCSI ID 1 �PWA������ � � � � � � � ����������� Fault LED � � � � � � � � �� Motor Start Option enable � � � � � � � � ��������� Not assigned J01B � � � � � � � � � �� SCSI ID 8 ( \ �����Ŀ � � � � � � � � � �����Ŀ /) ���\ �4o o3� � � � � � � � � � J01A �4o o3� /�γ ��γ �2o�o1� o o o o o o o o o �2o�o1� ��γ ��γ � 1 o o o o o o o o J10 � ��γ ��γ ������������������������������������������Ĵ ��γ ��γ �o ������GND������Ŀ � ��γ ��γ ��o o o o o o o o o o � ��γ ���/ � o o 1 o o o o o o o o J9 � \�γ ( / � ��� 8 4 2 1 8 4 2 1 � � \) Port B � � ������� ������� � � Port A � � � � � � �J3� � � �� Port B dictates � Port A �� � � � Port A's ID � enable � � ������ SCSI ID Port A � Port B ����� �������������� SCSI ID Port B � enable � � ����������������������������������͸ � � Terminator Power Source Options J01A & J01B ������ ����������������������������������������������������������������������Ŀ � 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. � ������������������������������������������������������������������������ 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 ____________________________ROTARY VOICE COIL 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) _______20 Sync 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. (08/08/94)