Seagate ST318203LW Cheetah HARD DISK DRIVE REPAIR, Seagate ST318203LW Cheetah HARD DISK DRIVE SPECIFICATIONS,
Seagate ST318203LW Cheetah hard disk drive sales, Seagate ST318203LW Cheetah hard disk drive repair, Seagate ST318203LW Cheetah hard disk drive specifications, 
Seagate ST318203LW Cheetah Hard Disk Drive Repair, Seagate ST318203LW Cheetah Hard Disk Drive Specifications, Seagate ST318203LW Cheetah Seagate ST318203LW
Specifications



seagate st318203lw picture.
seagate st318203lw picture.
seagate st318203lw picture.

Seagate ST318203LW Cheetah Specifications
Model Capacity Size Height Bus Type Int.Type
ST318203LW Cheetah 18200MB 3.5" 1/3HT SCSI3 UL2/W

Cheetah 18LP   :    ST318203LW
Cheetah 18LP

Capacity: 
Speed: 
Average Read Time: 
 

18.21 GB
10000 rpm
5.4 ms





ST-318203LW Ultra2 SCSI Wide (Cheetah 18LP, LVD)

  �����������ͻ
  � REAR VIEW �  (ST-318203LW only)
  �����������ͼ
        (TOP)                  J5 Auxiliary
          ___________________  ���  �1�/���������\
        �( �����������������1)ͳ::::::�� 0 0 0 0 ��
          \�����������ij����/  �  �� 2���5�G�G�12�
       68 pin I/O Cable�        ������
       Connection Male          ������   SCSI ID = 0 (none)
                                �������� SCSI ID = 1
                   pin-11 +5v ��ٳ������ SCSI ID = 2
                   pin-10 GND ���ٳ����� SCSI ID = 4
                                  ������ SCSI ID = 8
      pins 9 & 12 no connection   ������� or pin-8 Activity LED*

* These pins are driven low for 250ms after PWR ON and RESET
  to allow jumper selectable SCSI ID as shown above.


  �����������ͻ
  � REAR VIEW �  (ST-318203LC only)
  �����������ͼ
                     80 pin I/O and DC Power Wall/bracket Connection
                     �  Female
    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 connector: AMP US p/n: 2-557103-1 straight-in, Male 80-pin
                                   2-557101-1 right angle to PCB

  �����������ͻ
  � SIDE VIEW �  (ST-318203LW/LC)
  �����������ͼ

             FRONT    TOP (HDA)    J2  87654321              �͸
              OF ���������������������������������P�W�A�����͵J1
             DRIVE    BOTTOM           ::::::::              �;
                                       ��������
 Force Single-ended (LVD models only) �ٳ������ Term Power (LW only)�
           Start Delay (12 secs * ID) ��ٳ����� Reserved            �
                          Motor Start ���ٳ���� Reserved            �
                        Write Protect ��������� Parity Disable      �
                                                                    �
                                                                    �
                    ��������������������������������Ŀ              �
                    � Termination Power-source Table ����������������
                    ��������������������������������������Ŀ
                    �               ....�����PWA edge����� �
                    �                            2 1       �
                    � A Drive Supplies Bus        �ķ      �
                    �                            ��      �
                    �  (not used on LC model)    ���      �
                    �                             A        �
                    ����������Default no jumper ������������

     Note: LW and LC drives do not have internal terminators or
           any other way of adding internal terminators to the
           drive; use external active termination if required.
           Use active (ANSI SCSI-2 Alternative 2) terminators
           when terminating the bus.  Use active negation
           terminators when terminating a SCSI Ultra2 bus
           operating in Low Voltage Differential (LVD) mode.

  ������������ͻ
  � FRONT VIEW �  (ST-318203LW/LC)
  ������������ͼ
                                  ��ĴReserved. Shipped with cover installed.
                                  �  �Do not remove. Do not install jumpers
                      TOP (HDA)  ����͸     1
     ��P�W�A��������������������͵::::�::::::���
                 *    BOTTOM     ����;123456
                 �               J6    ������
            LED ��                     ������
                            Remote LED ٳ���� ID 1
                           (pin-11 +5v) ����� ID 2
                              Reserved �ٳ��� ID 4
                           (pin-10 GND)  ���� ID 8



                            ST-318203LW



       UNFORMATTED CAPACITY (GB) ________________21.6
       FORMATTED CAPACITY (GB) __________________18.21
       AVERAGE SECTORS PER TRACK ________________303 rounded down
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       TRACKS ___________________________________117,612
       CYLINDERS ________________________________9,801 user
       HEADS ______PHYSICAL______________________12
       DISCS (3.0 in) ___________________________6
       MEDIA TYPE _______________________________THIN FILM/MR
       RECORDING METHOD _________________________PRML 16/17 EPR4
       INTERNAL TRANSFER RATE (mbits/sec)________193 to 308
       INTERNAL FORMATTED TRANSFER RATE (MB/sec)_29.5 avg
       EXTERNAL TRANSFER RATE (mbyte/sec) _______40 Sync
            Low Voltage Differential(LVD) _______80 Sync
       SPINDLE SPEED (RPM) ______________________10,016
       AVERAGE LATENCY (mSEC) ___________________2.99
       BUFFER (/optional)________________________1024/4096 KByte
         Read Look-Ahead, Adaptive,
         Multi-Segmented Cache
       INTERFACE ________________________________Ultra2 SCSI
              ASA II, SCAM level 2 (1 default)
       BYTES PER TRACK __________________________153,284-229,045
       SECTORS PER DRIVE ________________________35,566,480
       TPI (TRACKS PER INCH) ____________________12,580
       BPI (PEAK KBITS PER INCH) ________________252
       AVERAGE ACCESS (ms read/write)____________5.4/6.0
         Drive level without controller overhead
       SINGLE TRACK SEEK (ms read/write) ________0.7/0.9
       MAX FULL SEEK (ms read/write) ____________12.2/13.2
       MTBF (power-on hours) ____________________1,000,000
       SHOCK (G's, 11/2/.5 ms):
                operating (Read/Write) __________5
                abnormal ________________________10
                nonoperating ____________________75/200/100
       ACOUSTICS (Bels typical, sound power) ____4.3
       POWER DISSIPATION (watts/BTUs) Active ____/
                                      Idle ______10.75/36.7
       POWER REQUIREMENTS: +12V START-UP (amps) _2.4
                           +12V TYPICAL (amps) __0.6 idle
                           +5V START-UP (amps) __1.03
                           +5V TYPICAL (amps) ___0.71 idle
                           IDLE (watts) _________
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________0 or NONE

       Physical:
                        Height (inches/mm):      1.0/25.4
                        Width  (inches/mm):     4.00/101.6
                        Depth  (inches/mm):     5.75/146
                        Weight    (lbs/kg):      1.3/0.589

Already low-level formatted at the factory with x spare sectors at
the end of each x cylinder region.  

ZBR = Zone Bit Recording = Variable sectors per track


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offerings or specifications. (01/11/2000)

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