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 1991
ST-41651N Wren 8 FH SCSI-2 Fast
20-pin (2x10) configuration jumper-block version
� Synchronous Spindles option DC
� Power
� ����������������������������� /���������\
��������P�W�A��������͵:SCSI:Cable:::::::::::::::::1�͵ 0 0 0 0 ���
�Ŀ ��Ŀ �����������������������������; ��5�G�G�12�
�o�o o o o o o o�o o� �������1 �������1 �������1
�o�o o o o o o o�o o� �������� �������� ��������
��� 4 2 1 ����� Terminator SIPS
� � ����� � � �
� � � � � �� Motor Start Delay (16 secs * ID)
� � � � ���� Parity check enable
� � � ������ Motor Start option enable
� � ���������� Drive ID's, ID 0 (none) if only SCSI device
� �������������� Terminator power to the Bus (vertical)
���������������� Terminator power from Drive, default (vertical)
� Terminator power from Bus (lower horizontal)
16-pin (2x8) configuration jumper-block version
� Synchronous Spindles option DC
� Power
� ����������������������������� /���������\
��������P�W�A��������͵:SCSI:Cable:::::::::::::::::1�͵ 0 0 0 0 ���
��Ŀ �����������������������������; ��5�G�G�12�
�o o�o o o o o o �������1 �������1 �������1 �Ŀ
�o o�o o o o o o �������� �������� �������� �o�o
�1���4 2 1 M P Terminator SIPS �o�oĿ
����� � � � ��ٳ �
� � � �� Motor Start Delay (16 secs * ID) � � �
� � ���� Parity check enable � � �
� ������ Motor Start option enable � � �
���������� Drive ID's, ID 0 (none) if � � �
only SCSI device � � �
� � �
Terminator power from Drive, default (vertical) ��� � �
Terminator power to the Bus (vertical) ����� �
Terminator power from Bus (lower horizontal) �������
Both versions:
LED
���Ŀ (Viewed from front of drive) � GND
� 0 � �
����������������������P�W�A���������������������������������������
o o o J6
pin-1 (+5v) ----o o o
� � �
Remote LED connection ��� � �
Write Protect Remote ����� �
Switch cable connection � �
Factory Use Only �������
ST-41651N
WREN 8 FH
UNFORMATTED CAPACITY (MB) ________________1,650
FORMATTED CAPACITY (xx SECTORS) (MB) _____1,415*
AVERAGE SECTORS PER TRACK (with spares)___87
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
TRACKS ___________________________________31,605
CYLINDERS ________________________________2,107 (user)
HEADS ____________________________________15
DISCS (5.25 in) __________________________8
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (1,7)
INTERNAL TRANSFER RATE (mbits/sec) _______17 to 32
EXTERNAL TRANSFER RATE (Mbytes/sec) ______10.0 Sync.
SPINDLE SPEED (RPM) ______________________3,600
AVERAGE LATENCY (mSEC) ___________________8.33
BUFFER ___________________________________256 Kbyte
Read Look-Ahead, Adaptive, Multi-
Segmented Cache
INTERFACE ________________________________SCSI-2 Fast
BYTES PER TRACK __________________________54,900 avg.
SECTORS PER DRIVE ________________________2,749,635
TPI (TRACKS PER INCH) ____________________1,760
BPI (BITS PER INCH) ______________________
AVERAGE ACCESS (ms) ______________________15
SINGLE TRACK SEEK (ms) ___________________2.5
MAX FULL SEEK (ms) _______________________34
MTBF (power-on hours) ____________________150,000
POWER REQUIREMENTS: +12V START-UP (amps) _4.5
+12V TYPICAL (amps) __1.5
+5V START-UP (amps) __0.8
+5V TYPICAL (amps) ___0.6
TYPICAL (watts) ______21
MAXIMUM (watts) ______58
WRITE PRECOMP (cyl) ______________________N/A
REDUCED WRITE CURRENT (cyl) ______________N/A
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________0 or NONE
* Already low-level formatted at the factory with one spare sector per
track and two spare cylinders/unit.
Seagate reserves the right to change, without notice, product
offerings or specifications. (10/31/91)