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-1150R (94355-150) Swift ST412 RLL
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� O � 5
� O � G
� O � G ���� Located on rear
� O � 12 � side of drive
����/ � Controller Cable �
�������� �� ��������������� �� ����������Ŀ
�Data Cable ����������Ŀ 1 o o o o o o
1����������� o o o o o o (front)
Terminator 1 2 3 4 R Ext
������� � �
� � �
� � �
� � �
� � �
Drive Selects ������� � �
Radial Select ������������� �
External spindle clock �����
ST-1150R
94355-150 Swift
UNFORMATTED CAPACITY (MB) ________________150
FORMATTED CAPACITY (26 SECTORS) (MB) _____128
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________9,648
CYLINDERS ________________________________1,072
HEADS ____________________________________9
DISCS ____________________________________5
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL
TRANSFER RATE (mbits/sec) ________________7.5
SPINDLE SPEED (RPM) ______________________3,600
INTERFACE ________________________________ST412
TPI (TRACKS PER INCH) ____________________1,350
BPI (BITS PER INCH) ______________________21,030
AVERAGE ACCESS (ms) ______________________15
SINGLE TRACK SEEK (ms) ___________________4
MTBF (power-on hours) ____________________150,000
POWER REQUIREMENTS: +12V START-UP (amps) _2.5
+12V TYPICAL (amps) __0.7
+5V START-UP (amps) __0.75
+5V TYPICAL (amps) ___0.4
TYPICAL (watts) ______10
MAXIMUM (watts) ______12
BUFFERED STEP PULSE RATE (micro sec) _____6-200
WRITE PRECOMP (cyl) ______________________300
REDUCED WRITE CURRENT (cyl) ______________N/A (1073)
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________*
* MAY REQUIRE A CONTROLLER WITH BIOS SUPPORT, OR FORMATTING
AND PARTITIONING SOFTWARE. ALSO, CHECK TO SEE IF YOUR CMOS SETUP
HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE AVAILABLE.
Swift Remote LED Option
Front View of Drive Without the Plastic Bezel
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� A � B � B = Anode
�������Ĵ D = Cathode
� C � D �
...�������������������������������P�W�A���...
� Default jumper at C-D for LED mounted on drive PWA
� To use remote LED, remove jumper and extend B (Anode)
and D (Cathode).
� Swift LED kit 75912397 allows connection to a remote LED
� Swift LED kit 95913369 has an LED for attachment to the
system front bezel or a 5.25-inch frame kit
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)
