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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� United States +1 408 438-8771 � United Kingdom +44 628 478011 �
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� Germany +49 89 140-9331 � Singapore +65 227-2217 �
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(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.