AOH :: ST1111N.TXT
Seagate ST1111N SCSI Hard Disk Specs and Docs
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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 �
쳐컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑
� Germany +49 89 140-9331 � Singapore +65 227-2217 �
읕컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴켸
(C)opyright 1991
ST-1111N (94351-111) Swift SCSI
旼컴\
� 0 � 5
� 0 � G
� 0 � G
� 0 � 12 .................... o o o o o o
읕컴/ 1................... o o o o o o
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1컴컴컴� 1컴컴컴� 1컴컴컴� 1 2 4 � � �
Terminator Resistors 컴쩡� � � �
� � � � Terminator Power Select
Drive ID, binary - use 탠컴� � � � Header located on the side
ID 0 (no jumpers) for � � � � 컴컴컴컴컴컴컴컴컴컴컴컴컴
single drive install � � � � (Back) A B (Front of drive)
Enable Parity Checking 컴컴컴컴� � � C D
Enable Motor Start Option 컴컴컴컴컴� � 袴佶袴袴袴袴�P�W�A
Synchronized Spindle 컴컴컴컴컴컴� �
�
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A-B Drive from Power Connector (factory default)
A-C Drive from SCSI Bus
A-C&B-D Drive from Power Connector and Provide to SCSI Bus
B-D Only provide to SCSI Bus
ST-1111N
94351-111 Swift
UNFORMATTED CAPACITY (MB) ________________111
FORMATTED CAPACITY (36 SECTORS) (MB) _____98
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________5,340
CYLINDERS ________________________________1,068
HEADS ____________________________________5
DISCS ____________________________________3
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL
TRANSFER RATE (mbytes/sec) _______________1.25
SPINDLE SPEED (RPM) ______________________3,600
BUFFER ___________________________________32 or 64 Kbyte
Read Look-Ahead, Non-Adaptive,
Single-Segmented
INTERFACE ________________________________SCSI
TPI (TRACKS PER INCH) ____________________1,350
BPI (BITS PER INCH) ______________________28,282
AVERAGE ACCESS (ms) ______________________15
SINGLE TRACK SEEK (ms) ___________________4
MTBF (power-on hours) ____________________70,000
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) ______11
MAXIMUM (watts) ______33.75
BUFFERED STEP PULSE RATE (micro sec) _____6-200
WRITE PRECOMP (cyl) ______________________N/A (1069)
REDUCED WRITE CURRENT (cyl) ______________N/A (1069)
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________0 or NONE
Already low-level formatted at the factory.
Swift Remote LED Option
Front View of Drive Without the Plastic Bezel
旼컴쩡컴�
� A � B � B = Anode
쳐컴탠컴� D = Cathode
� C � D �
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� 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)
^Z
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