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                            (C)opyright 2005



ST-3160023AS (Barracuda 7200.7 160 Plus, Serial ATA)

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




                             ST-3160023AS
                         Barracuda 7200.7 Plus

       FORMATTED CAPACITY (GB) __________________160
       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 (Mbytes/sec) ______up to 85.4
       SUSTAINED TRANSFER RATE (MB/sec)__________up to 58
       EXTERNAL TRANSFER RATE (Mbytes/sec) ______up to 150
       PIO/DMA/UDMA MODE (max) __________________4/2/6
       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) _____________312,581,808
       TPI (TRACKS PER INCH) ____________________94,600
       BPI (KBITS PER INCH) _____________________up to 595,000
       AVERAGE ACCESS (ms seek/read/write) ______8.5/8.5/9.5
       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) _<2.5/3.0/3.7
       POWER DISSIPATION (watts) ________________
       POWER REQUIREMENTS: +12V START-UP (amps) _2.8
       POWER MANAGEMENT (Watts):
                           ACTIVE _______________12.5
                           IDLE _________________7.5
                           STANDBY (typ/max) ____2.0/

       Physical:
                    Height (inches/mm):   1.028/26.04
                    Width  (inches/mm):    4.00/101.6
                    Depth  (inches/mm):    5.78/146.9
                    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.  

Some systems BIOS have capacity limitations. Types that have 
been identified are:

   a  2.11GB or 4095 cylinder limitation 
   a  3.26GB 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
   a 137.4GB or 268,435,455 LBAs limitation (28-bit limit)

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. 

New INT13 Extensions and LBA mode in BIOS and FAT32 or NTFS-based 
file systems are required to acheive full capacity. FAT32 file 
system can create single partitions and logical drives up to 2TB.

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

========================

Windows XP Service Pack 1 and Windows 2000 Service Pack 3 with 
48-bit LBA Address drivers are required for native support of
ATA (IDE) disc drives greater than 137GB.

Windows 98, Windows Millennium and Windows NT 4.x all have 137GB 
native limitations supporting ATA (IDE) disc drives. Third-party
device drivers may be available from motherboard or host adapter
manufacturers for these legacy Windows operating systems.

Windows 95 FAT16 based operating systems are also limited to 8.4GB.

DOS 16-bit FAT file system cannot access more than 2.147 Gbytes per 
partition.  

Already low-level formatted at the factory.

Seagate reserves the right to change, without notice, product
offerings or specifications. (11/04/2005)