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spacer ST320410A Configuration and Specifications spacer
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U Series 6

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

20.4 GB
5400 rpm
9.9 ms
1023
256
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 LLC
                              1-800-SEAGATE
                          http://www.seagate.com
                            (C)opyright 2001



ST-320410A (U Series 6 20410, Ultra ATA/100)

  浜様様様様様
   REAR VIEW 
  藩様様様様様
                         J2  40 pin I/O Cable Connection
                            pin-20 removed
                         
              嬪様様様様 獲様様様様冤様様様1/陳陳陳陳\    TOP (HDA)
             裕::::::::::::::::::1 : : : :  0 0 0 0 獲
              塒様様様様様様様様様溶8獲獲獲獲青5GG12    BOTTOM
                                        
              Master ON, Slave OFF 陳   
    Slave Present (when Master ON) 陳陳  
     Cable Select (when Slave OFF) 陳陳  
                          Reserved 陳陳陳 
                    Limit capacity 陳陳陳陳

On drives less than 33.8GB, Limit Capacity jumper sets the default 
cylinder translation to 4092 to solve issues with certain BIOS that 
only auto-detect. Total available sectors are still at full capacity 
as reported via Identify Drive data words 52 - 61. On drives greater
than 33.8GB, Limit Capacity jumper changes total available sectors
as reported via Identify Drive data words 60-61 to 33.8GB. The ATA 
Read Native Max and Set Max commands may be used to reset the true 
full capacity. Third party partitioning software may be needed to 
achieve full capacity when using this option jumper.



                             ST-320410A

       FORMATTED CAPACITY (GB) __________________20.02
       ACTUATOR TYPE ____________________________VOICE COIL
       CYLINDERS __PHYSICAL______________________
       HEADS ______PHYSICAL______________________1
       DISCS (3.5 in) ___________________________1
       MEDIA TYPE _______________________________THIN FILM
       HEAD TYPE ________________________________GMR
       RECORDING METHOD _________________________GPRML 96/102 ZBR
       INTERNAL TRANSFER RATE (Mbits/sec) _______up to 436
       EXTERNAL TRANSFER RATE (Mbytes/sec) ______up to 100
       PIO/DMA/UDMA MODE (max) __________________4/2/5
       DMA SUPPORT ______________________________EISA Type B
       SPINDLE SPEED (RPM) ______________________5400
       AVERAGE LATENCY (mSEC) ___________________5.55
       BUFFER ___________________________________2MB
        Read/Write Multiple, Read Look-Ahead,
        Multi-Segmented
       INTERFACE ________________________________Ultra ATA/100
       SECTORS PER DRIVE (LBA mode) _____________39,102,336
       TPI (TRACKS PER INCH) ____________________58,000
       BPI (BITS PER INCH) ______________________562,436
       AVERAGE ACCESS (ms seek/read/write) ______8.9/9.9/10.9
       SINGLE TRACK SEEK (ms seek/read/write) ___/1.2/2.0
       MAX FULL SEEK (ms seek/read/write) _______/22.0/24.0
       MTBF (power-on hours) Office _____________600,000
       SHOCK (G's, 11ms/2ms):
                operating (Read/Write) __________/63
                abnormal ________________________
                nonoperating ____________________/350
       ACOUSTICS (bels) (typ/max) _______________3.0/3.7
       POWER DISSIPATION (watts) ________________
       POWER REQUIREMENTS: +12V START-UP (amps) _2.0
       POWER MANAGEMENT (Watts):
                           ACTIVE _______________7.5
                           IDLE _________________5.0
                           STANDBY ______________1.2
       LANDING ZONE (cyl) _______________________AUTO

       Physical:
                    Height (inches/mm):    1.03/26.1
                    Width  (inches/mm):    4.00/101.85
                    Depth  (inches/mm):    5.78/147.0
                    Weight      (lb/g):     1.2/550

Set CMOS hard drive setup to Auto-Detect with LBA mode enabled. 

Some systems BIOS have capacity limitations. 

Types that have been identified are:
     a 528MB limitation (CHS[1024x16x63]x512 = 528,482,304)
     a 2.113GB or 4095 cylinder limitation 
     a 3.262GB or 6322 cylinder limitation 
     a 4.22GB  or 8192 cylinder limitation
     a 8.45GB  Standard INT13 limitation (CHS[1024x256x63]x512)
     a 33.8GB or 66,060,287 LBAs limitation
and, if exceeded, may cause the system to hang during boot, 
capacity reduction or it can truncate or wrap the cylinders when 
auto-detect options set in the CMOS. 

DOS 16-bit FAT file system cannot access more than 2.147 Gbytes per 
partition.  FAT32 file system can create single partitions and
logical drives up to 2TB.

FAT16 based operating systems are also limited to 8.4GB.  New 
INT13 Extensions and LBA mode in BIOS and FAT32 based operating 
systems are both required to acheive full capacity.

Other FULL-CAPACITY solutions include third-party drive preparation
software, system BIOS update which supports LBA mode or third
party bios driven host adapters.

Default CHS translation:
     16,383 cyl, 16 heads, 63 sectors = 8,455,200,780

Already low-level formatted at the factory.

Seagate reserves the right to change, without notice, product
offerings or specifications. (04/10/2001)

A copy of this specification file may be obtained by FTP at
ftp://ftp.seagate.com/techsuppt/at/ST320410.A.


 



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