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Legacy

Capacity:
Speed:
Average Seek Time:
 Cylinders:
Heads:
Sectors:

2.15 GB
5400 rpm
10.5 ms
1023
64
63


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 1996


ST-32161A, Filepro 2161 AT (Ajax CFA2161A)

  浜様様様様様
   REAR VIEW 
  藩様様様様様


                      J2  40 pin I/O Cable Connection
                      
           嬪様様様様  様様様様邑 /陳陳陳陳\    TOP (HDA)
  様様様様裕::::::::::::::::::1突 0 0 0 0 獲
           塒様様様様由様様様様余 青5GG12    BOTTOM
                      
                      青陳 pin-20 removed


     ST-32161A
  浜様様様様様様融
    Front View                敖陳  Capacity Jumper
  藩様様様様様様夕                     ON  = 4095 cylinders (default)
                                       OFF = 4160 cylinders 
                                 敖  Master ON, Slave OFF (C/D)
                                 
    (TOP)         o o o o o   o o o1
Option Block   様  o o o o   o o o2様様様様様様様様様様
   (BOTTOM)       青陳堕陳   
                             
          Reserved 陳潰       
          Cable Select  陳陳陳


                             ST-32161A
                  Filepro 2161 AT (Ajax CFA2161A)

       FORMATTED CAPACITY _______________________2146.9
       ACTUATOR TYPE ____________________________VOICE COIL
       CYLINDERS __PHYSICAL______________________4474
       HEADS ______PHYSICAL______________________8
       DISCS (3.5 in) ___________________________4
       MEDIA TYPE _______________________________THIN FILM
       HEAD TYPE ________________________________THIN FILM
       RECORDING METHOD _________________________ZBR RLL (1,7)
       INTERNAL TRANSFER RATE (Mbits/sec) _______up to 70
       EXTERNAL TRANSFER RATE (Mbytes/sec) ______up to 16.6
       PIO MODE _________________________________4
       DMA SUPPORT ______________________________EISA Type B
       SPINDLE SPEED (RPM) ______________________5400
       AVERAGE LATENCY (mSEC) ___________________5.55
       BUFFER ___________________________________128K
        Read/Write Multiple, Read Look-Ahead,
        Multi-Segmented
       INTERFACE ________________________________ATA
       SECTORS PER DRIVE (LBA mode) _____________
       TPI (TRACKS PER INCH) ____________________4800
       BPI (KBITS PER INCH) _____________________77.9K
       AVERAGE ACCESS (ms) ______________________10.5
       SINGLE TRACK SEEK (ms) ___________________2.5
       MAX FULL SEEK (ms) _______________________22.5
       MTBF (power-on hours) Office _____________500,000
       SHOCK (G's):
                operating (Read/Write) __________5
                abnormal ________________________
                nonoperating ____________________75
       ACOUSTICS (bels) (typ/max) _______________4.0/
       POWER DISSIPATION (watts) ________________
       POWER REQUIREMENTS: +12V START-UP (amps) _1.8
       POWER MANAGEMENT (Watts):
                           ACTIVE _______________8.75
                           IDLE _________________5
                           STANDBY ______________1
       WRITE PRECOMP (cyl) ______________________N/A
       REDUCED WRITE CURRENT (cyl) ______________N/A
       LANDING ZONE (cyl) _______________________AUTO
       IBM AT DRIVE TYPE ________________________*

       Physical:
                        Height (inches/mm):  1.00/25.4
                        Width  (inches/mm):  4.00/101.6
                        Depth  (inches/mm):  5.75/146.1
                        Weight    (lbs/kg):   1.4/0.64


 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE. (see below)

Some systems BIOS have a 2.113GB or 4095 cylinder limitation and, if 
exceeded, may cause the system to fail or lock up during POST.

Possible translations:
                       This translation is generally acceptable, as
                       is, for non-DOS operating systems:
       4095 cyl, 16 heads, 63 sectors = 2,113,413,120 with Cap jumper ON
       4160 cyl, 16 heads, 63 sectors = 2,146,959,360 with Cap jumper OFF

                       DOS operating systems may require a translation
                       that uses larger values for the CMOS head
                       parameter which lowers cylinders below 1024:
       1023 cyl,  64 heads, 63 sectors = 2,111,864,832 with Cap jumper ON
        520 cyl, 128 heads, 63 sectors = 2,146,959,360 with Cap jumper OFF

                       Other FULL-CAPACITY solutions for DOS operating
                       systems include third-party drive preparation
                       software, system BIOS which supports LBA mode
                       or bios driven host adapters. Otherwise,
                       capacity may be limited to:
       1024 cyl, 16 heads, 63 sectors = 528,482,304


Note: A "custom" or "user-defined" CMOS drivetype  may ask for a
numerical value for the Write Precompensation cylinder and for the
Landing Zone cylinder.  A basic rule-of-thumb for drive models that do
not require the old Write Precomp technique or a Landing Zone because
they are Auto-Parking is to add 1 to the cylinder value being used. As
an example: If cylinders equaled 820, then both Write Precomp and
Landing Zone would be entered as 821. Some BIOS will convert this to
65535 or -1, which are functionally equivalent to "none (not used)".

Already low-level formatted at the factory.

Since a User-definable or Custom translation geometry may be used, it
is imperative that the values be written down and kept with your
permanent records for retrieval in the event of CMOS battery failure.

Seagate reserves the right to change, without notice, product 
offerings or specifications. (06/17/96)

A copy of this specification file may be obtained by FTP at
ftp://ftp.seagate.com/techsuppt/at/st32161a.txt.


 



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