Seagate ST11900N HARD DISK DRIVE REPAIR, Seagate ST11900N HARD DISK DRIVE SPECIFICATIONS,
Seagate ST11900N hard disk drive sales, Seagate ST11900N hard disk drive repair, Seagate ST11900N hard disk drive specifications, 
Seagate ST11900N Hard Disk Drive Repair, Seagate ST11900N Hard Disk Drive Specifications, Seagate ST11900N Seagate ST11900N
Specifications



seagate st11900n picture.
seagate st11900n picture.
seagate st11900n picture.

Seagate ST11900N Specifications
Model Capacity Size Height Bus Type Int.Type
ST11900N 1.7GB 3.5" HHT SCSI2 Fast

Hawk 2   :    ST11900N
Hawk 2

Capacity: 
Speed: 
Average Read Time: 
 

1.7 GB
5400 rpm
9 ms




ST-11900N SCSI-2 Fast (Hawk 2)

  �����������ͻ
  � REAR VIEW �  (ST-11900N only)
  �����������ͼ

         50 pin I/O Cable Connection
         �
    J1�������������������������1� /���������\    TOP (HDA)
     ͵:::::::::::::::::::::::::�ͳ 0 0 0 0 ���
      �������������������������; ��5�G�G�12�    BOTTOM



  �����������ͻ
  � REAR VIEW �  (ST-11900NC only)
  �����������ͼ
                     80 pin I/O and DC Power Connection
                     �
    J1          /���ij���������������\      TOP (HDA)
     ����������/ �������������������� \����������
              (\�1������������������40/)    BOTTOM

     Notes on 80 pin I/O connector:
       pins  1 -  4 = +12v        41 - 44 = 12v GND
            34 - 36 = +5v         74 - 76 = 5v GND
                 37 = SYNC             77 = LEDC
                 38 = MTRON            78 = DLYDST
                 39 = SCSIA0           79 = SCSIA1
                 40 = SCSIA2           80 = SCSIA3

  Mating NC connector: AMP US p/n: 2-557103-1 straight-in, Male 80-pin
                                   2-557101-1 right angle

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  � RIGHT SIDE VIEW �  (Both ST-11900N and ST-11900NC)
  �����������������ͼ


BACK   �͸       J2  12345678                    TOP (HDA)  FRONT
 OF    J1�����������������������P�W�A����������������������� OF
DRIVE  �;           ::::::::                    BOTTOM     DRIVE
                     ��������
   �Terminator Power ٳ������ Reserved
  ڴTerminator Power �ٳ����� Start Delay (12 secs * ID)
  �     Enable T-Res ��ٳ���� Motor Start
  �    Parity Enable �������� Write Protect
  �
  �
  � ��������������������������������Ŀ
  �Ĵ Termination Power-source Table �
    ����������������������������������������������Ŀ
    ������....�����....�����PWA edge�����          �
    �                                              �
    �  1 2     1 2      1 2                        �
    � �ķ       �ķ    ���ķ  A Drive Supplies Bus �
    � ���     ��    ����  B Drive Supplies Own �
    � ���     ���     � �   C Bus Supplies Drive �
    �   A       B        C                         �
    ����������Default�������������������������������


  ����������������ͻ
  � LEFT SIDE VIEW �  (ST-11900N only)
  ����������������ͼ             If these ID jumpers are used,
                                 then ID jumpers shown in front
                                 view ARE NOT USED.

  FRONT                TOP (HDA)                 J5 ���1� �͸BACK
   OF   ��������P�W�A������������������������������͵:::�͵J1 OF
  DRIVE                BOTTOM                       ���; �;DRIVE
                                                     ���
                                               ID 1 �ٳ�� ID 4
                                                    ID 2


  ������������ͻ
  � FRONT VIEW �  (Both ST-11900N and ST-11900NC)
  ������������ͼ


                      TOP (HDA)   J6  ������1�
     ��P�W�A�������������������������͵::::::��
                 *    BOTTOM          ������;
                 �                     123456
            LED ��                     ������
                                  ID 4 ٳ���� Reserved
                                  ID 2 �ٳ��� Remote LED (pin-3 +5v)
                                  ID 1 ������ Spindle Synchronization
                                               (pin-6 REF SIG+, default
      If these ID jumper are used, then          jumper installed)
         ID jumpers shown in left side view J5
         or 80 pin I/O cable ARE NOT USED.


                            ST-11900N
                            Hawk 2

       UNFORMATTED CAPACITY (MB) ________________2003
       FORMATTED CAPACITY (xx SECTORS) (MB) _____1700
       AVERAGE SECTORS PER TRACK ________________83 rounded down
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       TRACKS ___________________________________39,315
       CYLINDERS ________________________________2,621 user
       HEADS ______PHYSICAL______________________15
       DISCS (3.5 in) ___________________________8
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________ZBR RLL (1,7)
       INTERNAL TRANSFER RATE (mbits/sec)________26.8 to 45.6
       EXTERNAL TRANSFER RATE (mbyte/sec) _______4 Async
       EXTERNAL TRANSFER RATE (mbyte/sec) _______10 Sync
       SPINDLE SPEED (RPM) ______________________5,411
       AVERAGE LATENCY (mSEC) ___________________5.54
       BUFFER ___________________________________256/1024 KByte
         Read Look-Ahead, Adaptive,
         Multi-Segmented Cache
       INTERFACE ________________________________SCSI-2 FAST
                                                 ASA
       SECTORS PER DRIVE ________________________
       TPI (TRACKS PER INCH) ____________________3000
       AVERAGE ACCESS (ms) (read/write)__________9.0/10.5
         Drive level without controller overhead
       SINGLE TRACK SEEK (ms) ___________________1
       MAX FULL SEEK (ms) _______________________19
       MTBF (power-on hours) ____________________500,000
       SHOCK (G's):
                operating (Read/Write) __________10
                nonoperating ____________________60
       ACOUSTICS (typ/max dBA) __________________/
       POWER REQUIREMENTS: +12V START-UP (amps) _2.0
                           +12V TYPICAL (amps) __0.54
                           +5V START-UP (amps) __0.8
                           +5V TYPICAL (amps) ___0.43
                           TYPICAL (watts) ______9
                           MAXIMUM (watts) ______
       WRITE PRECOMP (cyl) ______________________N/A
       REDUCED WRITE CURRENT (cyl) ______________N/A
       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):     5.75/146.1
                        Weight    (lbs/kg):     2.5/0.99

Already low-level formatted at the factory with six spare sectors
per cylinder and two spare cylinders/unit.

ZBR = Zone Bit Recording = Variable sectors per track

Seagate reserves the right to change, without notice, product 
offerings or specifications. (08/09/94)

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