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Cheetah X15 FC

Capacity:
Speed:
Average Seek Time:
 

18.35 GB
15000 rpm
3.9 ms


Installation Guide | Product Manual

 

Odd characters? Click here for help. A version of this specification with the linedraw characters approximated by text is available by clicking here.

                         SEAGATE TECHNOLOGY, INC.
                              1-800-SEAGATE
                          http://www.seagate.com
                            (C)opyright 2000


ST-318451FC Fibre Channel FC-AL, Dual Port (Cheetah X15)

  浜様様様様様
   REAR VIEW   ST-318451FC
  藩様様様様様
       40 pin I/O and DC Power Wall/bracket Connection
                       Female
    J1          /陳陳劃陳陳陳陳\      TOP (HDA)
     様様様様様/ 忻忻忻忻忻忻忻 \様様様様様
              (\1陳陳陳陳陳陳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


  浜様様様様様融
   FRONT VIEW   (ST-318451FC)
  藩様様様様様夕

Reserved. Shipped with cover installed.
Do not remove. Do not install jumpers
                                       畋陳陳 Reserved
                                       崖敖陳 Fault LED
                                       崖楽陳 Port B Bypass LED
                                       崖崖敖 Port A Bypass LED
                      TOP (HDA)  孩様邑 崖崖1
     様PWA様様様様様様様様様様裕::::::::::突
                 *    BOTTOM     塒様余崖垣度
                                J6    崖 青 Ground
            LED 潰                     崖青陳 Active LED
                                       垣陳陳 Ground
                                       青陳陳 Remote LED (pin-11 +5v)

  ST318451FC 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-318451FC


       UNFORMATTED CAPACITY (GB) ________________23.86
       FORMATTED CAPACITY (GB) __________________18.351
       AVERAGE SECTORS PER TRACK ________________345 rounded down
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       TRACKS ___________________________________103,770
       CYLINDERS ________________________________10,377 user
       HEADS ______PHYSICAL______________________10
       DISCS (3.3 in) ___________________________5
       MEDIA TYPE _______________________________THIN FILM/GMR
       RECORDING METHOD _________________________PRML 16/17 EPR4
       INTERNAL TRANSFER RATE (mbits/sec)________385 to 512
       INTERNAL FORMATTED TRANSFER RATE (MB/sec)_37.0 to 49.0
       EXTERNAL TRANSFER RATE (mbyte/sec/port)___106 Sync
       SPINDLE SPEED (RPM) ______________________15k (14,904)
       AVERAGE LATENCY (mSEC) ___________________2.01
       BUFFER (/option FCV) _____________________4MB/16MB
         Read Look-Ahead, Adaptive,
         Multi-Segmented Cache
       INTERFACE ________________________________FC-AL 
         Fibre Channel - Arbitrated Loop, ASA II
       BYTES PER TRACK __________________________1,776,843 avg
       SECTORS PER DRIVE ________________________35,843,670
       TPI (TRACKS PER INCH) ____________________21,400
       BPI (PEAK KBITS PER INCH) ________________343
       AVERAGE ACCESS (ms read/write)____________3.9/4.5
         Drive level without controller overhead
       SINGLE TRACK SEEK (ms read/write) ________0.6/0.8
       MAX FULL SEEK (ms read/write) ____________7.5/8.0
       MTBF (power-on hours) ____________________1,200,000
       SHOCK (G's, 11/2/.5 ms):
                operating (Read/Write) __________10/65
                abnormal ________________________40
                nonoperating ____________________75/300/125
       ACOUSTICS (Bels typical) ________Idle ____3.9
                                         Max ____
       POWER DISSIPATION (watts/BTUs) Active ____/
                                      Idle ______12.71/41.53
       POWER REQUIREMENTS: +12V START-UP (amps) _1.4
                           +12V TYPICAL (amps) __0.71 idle
                           +5V START-UP (amps) __0.78
                           +5V TYPICAL (amps) ___0.73 idle
                           IDLE (watts) _________
       IBM AT DRIVE TYPE ________________________0 or NONE

       Physical:
                        Height (inches/mm):     1.00/25.4
                        Width  (inches/mm):     4.00/101.6
                        Depth  (inches/mm):     5.75/146.05
                        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. (06/14/2000)

A copy of this specification file may be obtained by FTP at
ftp://ftp.seagate.com/techsuppt/fibre_channel/ST318451.FC.


 



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