Seagate ST318275FC HARD DISK DRIVE REPAIR, Seagate ST318275FC HARD DISK DRIVE SPECIFICATIONS,
Seagate ST318275FC hard disk drive sales, Seagate ST318275FC hard disk drive repair, Seagate ST318275FC hard disk drive specifications, 
Seagate ST318275FC Hard Disk Drive Repair, Seagate ST318275FC Hard Disk Drive Specifications, Seagate ST318275FC Seagate ST318275FC
Specifications



seagate st318275fc picture.
seagate st318275fc picture.
seagate st318275fc picture.

Seagate ST318275FC Specifications
Model Capacity Size Height Bus Type Int.Type
ST318275FC 18300MB 3.5" 1/3HT FC-AL Fiber

Barracuda 18LP   :    ST318275FC
Barracuda 18LP

Capacity: 
Speed: 
Average Read Time: 
 

18.21 GB
7200 rpm
6.7 ms

ST-318275FC Fibre Channel FC-AL, Dual Port (Barracuda 18 LP)

  �����������ͻ
  � REAR VIEW �  ST-318275FC
  �����������ͼ
       40 pin I/O and DC Power Wall/bracket Connection
                     �  Female
    J1          /���ij���������\      TOP (HDA)
     ����������/ �������������� \����������
              (\�1������������20/)    BOTTOM

     Notes on 40 pin I/O connector:
            +12v  =  pins  2, 3, 4, 21
            +5v   =  pins  19, 20, 40
            GND   =  pins  6, 22, 23, 26, 29, 32, 35

  Mating FC connector: AMP US p/n: 787317-1 straight-in, Male 40-pin


  ������������ͻ
  � FRONT VIEW �  (ST-318275FC)
  ������������ͼ

Reserved. Shipped with cover installed.
Do not remove. Do not install jumpers
                                  �     ������ Reserved
                                  �     ������ Fault LED
                                  �     ������ Port B Bypass LED
                                  �     ������ Port A Bypass LED
                      TOP (HDA)  ����͸ ����1
     ��P�W�A��������������������͵::::�::::::���
                 *    BOTTOM     ����;������
                 �               J6    ��� ��� Ground
            LED ��                     ������� Active LED
                                       ������� Ground
                                       ������� Remote LED (pin-11 +5v)

  ST318275FC drives have two independent FC-AL ports. These
  ports may be connected on independent loops or on the same
  loop.  Port A and Port B may be connected in any order or
  combination.


                            ST-318275FC



       UNFORMATTED CAPACITY (GB) ________________21.6
       FORMATTED CAPACITY (GB) __________________18.21
       AVERAGE SECTORS PER TRACK ________________303 rounded down
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       TRACKS ___________________________________117,210
       CYLINDERS ________________________________11,721 user
       HEADS ______PHYSICAL______________________10
       DISCS (3.5 in) ___________________________5
       MEDIA TYPE _______________________________THIN FILM/MR
       RECORDING METHOD _________________________PRML 16/17 EPR4
       INTERNAL TRANSFER RATE (mbits/sec)________137 to 240
       INTERNAL FORMATTED TRANSFER RATE (MB/sec)_16.2 to 28.3
       EXTERNAL TRANSFER RATE (mbyte/sec/port)___106.3 Sync
       SPINDLE SPEED (RPM) ______________________7,200
       AVERAGE LATENCY (mSEC) ___________________4.17
       BUFFER (/optional)________________________1MB/4MB
         Read Look-Ahead, Adaptive,
         Multi-Segmented Cache
       INTERFACE ________________________________FC-AL 
         Fibre Channel - Arbitrated Loop, ASA II
       BYTES PER TRACK __________________________186 KByte avg
       SECTORS PER DRIVE ________________________35,566,480
       TPI (TRACKS PER INCH) ____________________12,580
       BPI (PEAK KBITS PER INCH) ________________223
       AVERAGE ACCESS (ms read/write)____________6.9/7.8
         Drive level without controller overhead
       SINGLE TRACK SEEK (ms read/write) ________0.9/1.2
       MAX FULL SEEK (ms read/write) ____________15/16
       MTBF (power-on hours) ____________________1,000,000
       SHOCK (G's, 11/2/0.5 ms):
                operating (Read/Write) __________5
                abnormal ________________________10
                nonoperating ____________________75/150/100
       ACOUSTICS (Bels typical, sound power) ____4.2
       POWER DISSIPATION (watts/BTUs) Active ____
                                      Idle ______11.3/38.5
       POWER REQUIREMENTS: +12V START-UP (amps) _2.0
                           +12V TYPICAL (amps) __0.65 idle
                           +5V START-UP (amps) __0.75
                           +5V TYPICAL (amps) ___0.70 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


Seagate reserves the right to change, without notice, product 
offerings or specifications. (11/13/99)

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