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                            (C)opyright 2002



ST-3120023AS (Barracuda ATA V 120023, Serial ATA)

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                 ³        ³          ÀÄÁÄÄÄÄ Reserved
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                 ³        ÀÄÄ Signal connector (7 pins)
                 ÀÄÄÄÄÄÄÄÄÄÄÄ Power Connector (15 pins)



                             ST-3120023AS
                          Barracuda ATA V

       FORMATTED CAPACITY (GB) __________________120.9
       ACTUATOR TYPE ____________________________VOICE COIL
       CYLINDERS __PHYSICAL______________________
       HEADS ______PHYSICAL______________________4
       DISCS (3.5 in) ___________________________2
       MEDIA TYPE _______________________________THIN FILM
       HEAD TYPE ________________________________GMR
       RECORDING METHOD _________________________EPRML 16/17 ZBR
       INTERNAL TRANSFER RATE (Mbits/sec) _______up to 570
       SUSTAINED TRANSFER RATE (MB/sec)__________27 to 44
       EXTERNAL TRANSFER RATE (Mbytes/sec) ______up to 150
       PIO/DMA/UDMA MODE (max) __________________4/2/5
       SPINDLE SPEED (RPM) ______________________7200
       AVERAGE LATENCY (mSEC) ___________________4.16
       BUFFER ___________________________________8MB
        Read/Write Multiple, Read Look-Ahead,
        Multi-Segmented
       INTERFACE ________________________________Serial ATA
       SECTORS PER DRIVE (LBA mode) _____________234,441,648
       TPI (TRACKS PER INCH) ____________________78,000
       BPI (KBITS PER INCH) _____________________up to 542,000
       AVERAGE ACCESS (ms seek/read/write) ______9.4/9.4/10.5
       SINGLE TRACK SEEK (ms seek/read/write) ___/1.0/1.2
       MAX FULL SEEK (ms seek/read/write) _______//
       MTBF (power-on hours) Office _____________600,000
       SHOCK (G's, 11ms/2ms):
                operating (Read/Write) __________/63
                abnormal ________________________
                nonoperating ____________________/350
       ACOUSTICS (bels) 
         fluid bearing (typ/max-quiet/max-perf) _2.8/3.0/3.6
       POWER DISSIPATION (watts) ________________
       POWER REQUIREMENTS: +12V START-UP (amps) _2.8
       POWER MANAGEMENT (Watts):
                           ACTIVE _______________13.0
                           IDLE _________________7.5
                           STANDBY (typ/max) ____0.7/

       Physical:
                    Height (inches/mm):   1.028/26.1
                    Width  (inches/mm):    4.02/101.8
                    Depth  (inches/mm):    5.75/147.0
                    Weight      (lb/g):     1.4/635

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

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

Possible translations:
                       This translation is generally acceptable, as
                       is, for non-DOS operating systems:
     16,383 cyl, 16 heads, 63 sectors = 8,455,200,780

                       DOS operating systems may require a translation
                       that uses larger values for the CMOS head
                       parameter which lowers cylinders below 1024:
       1023 cyl, 256 heads, 63 sectors = 8,447,459,328

                       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


Some systems BIOS have capacity limitations. 
Types that have been identified are:
     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. FAT16 based operating systems
are also limited to 8.4GB.  New INT13 Extensions in BIOS and FAT32
based operating systems are both required to acheive full capacity.

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.

Already low-level formatted at the factory.

Seagate reserves the right to change, without notice, product
offerings or specifications. (11/13/2002)