Seagate ST11950W HARD DISK DRIVE REPAIR, Seagate ST11950W HARD DISK DRIVE SPECIFICATIONS,
Seagate ST11950W hard disk drive sales, Seagate ST11950W hard disk drive repair, Seagate ST11950W hard disk drive specifications, 
Seagate ST11950W Hard Disk Drive Repair, Seagate ST11950W Hard Disk Drive Specifications, Seagate ST11950W Seagate ST11950W
Specifications



seagate st11950w picture.
seagate st11950w picture.
seagate st11950w picture.

Seagate ST11950W Specifications
Model Capacity Size Height Bus Type Int.Type
ST11950W Barracuda 1 1.69GB 3.5" HHT SCSI2 W

Barracuda 1   :    ST11950W
Barracuda 1

Capacity: 
Speed: 
Average Read Time: 
 

1.69 GB
7200 rpm
8 ms



ST-11950W SCSI-2 Fast Wide (Barracuda 1) (aka ST-11951N)

                                        J01����Ŀ
                                       (see    1��
�����������ͻ                           below) ���
� REAR VIEW �                                  1Ŀ ��������J4-1���Ŀ
�����������ͼ                                  �"�                 |
                                               �"�J4 1-6           �
                                               �"�(see below)      |
                                               �"��J4-6�Ŀ         �
        (TOP)                    J5            �"�-J4-7� |         |
          ___________________  ���  �1�/���������\     | |         |
        �( �����������������1)ͳ::::::�� 0 0 0 0 ��    � �         �
          \�����������ij����/  �  ��  ���5�G�G�12�     � �         1
       68 pin I/O Cable�        ������                 : : : : : : :
       Connection               ������                 � � � � � � 2
                                ������  Reserved ������� � � � � � �
Spindle Synch Cable Connector ��ٳ����   (some drives do � � � � � �
  (pin-11 SSREF, pin-12 ground)  �����    not have this  � � � � � �
Remote LED Connector ������������ٳ���    #7 jumper)     � � � � � �
 [pin-9 cathode (neg),            ����  Enable Drive ����� � � � � �
  pin-10 anode (pos)]             ����   Terminators       � � � � �
                                  ����  Reserved ����������� � � � �
SCSI ID = 8 ����������������������ٳ��   (default OFF)       � � � �
SCSI ID = 4 �����������������������ٳ�  Parity Disable ������� � � �
SCSI ID = 2 ������������������������ٳ  Enable Motor Start ����� � �
SCSI ID = 1 ��������������������������  Delay Motor Start �������� �
SCSI ID = 0 (none)                       (10 sec * ID)             �
                                        Write Protect Enable �������
��������������������������������Ŀ
� J01 - Terminator Power Jumpers ������������������Ŀ
����������������������������������                  �
            Terminator power from the drive.       �1�ķ *
              (default)                            ����
                                                    � �
            Terminator power from the                �ķ *
              SCSI bus.                             ��
                                                    ���

            Terminator power to the SCSI bus        �ķ  
                                                    ���
                                                    ���

            Terminator power to the SCSI bus and    ���ķ*
              drive.                                ���
                                                    ����
            * Valid for single-ended drives only.


    Note: ST-11950WD (differential model) does not come with any
          provision to use Termination resistors.  Therefore, SCSI bus
          needs to be externally terminated.


                            ST-11950W


       UNFORMATTED CAPACITY (MB) ________________2030
       FORMATTED CAPACITY (xx SECTORS) (MB) _____1690
       AVERAGE SECTORS PER TRACK ________________81 rounded down
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       TRACKS ___________________________________40,665
       CYLINDERS ________________________________2,706 user
       HEADS ______PHYSICAL______________________15
       DISCS (3.5 in) ___________________________8
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________ZBR RLL (1,7)
       INTERNAL TRANSFER RATE (mbits/sec)________34.3 to 56.5
       EXTERNAL TRANSFER RATE (mbyte/sec) _______20 Sync
       SPINDLE SPEED (RPM) ______________________7,200
       AVERAGE LATENCY (mSEC) ___________________4.17
       BUFFER __W/WD_____________________________1024/512 KByte
         Read Look-Ahead, Adaptive,
         Multi-Segmented Cache
       INTERFACE ________________________________SCSI-2 FAST WIDE
       BYTES PER TRACK __________________________49,768 average
       SECTORS PER DRIVE ________________________3,291,790
       TPI (TRACKS PER INCH) ____________________3,047
       BPI (BITS PER INCH) ______________________52,187
       AVERAGE ACCESS (ms) (read/write)__________8.0/9.0
         Drive level without controller overhead
       SINGLE TRACK SEEK (ms) ___________________0.6/0.9
       MAX FULL SEEK (ms) _______________________17/19
       MTBF (power-on hours) ____________________500,000
       POWER DISSIPATION (watts/BTUs) Active ____16/55
                                      Idle ______15/51
       POWER REQUIREMENTS: +12V START-UP (amps) _2.18
                           +12V TYPICAL (amps) __0.83 idle
                           +5V START-UP (amps) __1.0
                           +5V TYPICAL (amps) ___0.76 idle
                           IDLE (watts) _________12.5
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________0 or NONE

       Physical:
                        Height (inches/mm):     1.63/41.4
                        Width  (inches/mm):     4.00/101.6
                        Depth  (inches/mm):     5.97/151.6
                        Weight    (lbs/kg):     2.3/1.04

Already low-level formatted at the factory with 6 spare sectors
per cylinder and 1 spare cylinders per unit.

ZBR = Zone Bit Recording = Variable sectors per track

Seagate reserves the right to change, without notice, product 
offerings or specifications. (02/05/98)

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