Comment 40 for bug 119730

Same here with Ubuntu 7.10 in a Shuttle SN25P Nforce4 chiipset and Seagate ST3160023AS 160GB,
CPU AMD Athlon(tm) 64 X2 Dual Core Processor 4200+:

hdparm -tT /dev/sda

/dev/sda:
 Timing cached reads: 1954 MB in 2.00 seconds = 977.58 MB/sec
 Timing buffered disk reads: 36 MB in 3.51 seconds = 10.27 MB/sec

uname -a
Linux meumeu 2.6.22-14-generic #1 SMP Tue Feb 12 07:42:25 UTC 2008 i686 GNU/Linux

lspci | grep ATA
00:07.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller (rev f3)
00:08.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller (rev f3)

lsmod | grep sata
sata_nv 20612 3
libata 125168 2 sata_nv,ata_generic

hdparm -i /dev/sda

/dev/sda:

 Model=ST3160023AS , FwRev=3.18 , SerialNo=3JS2LVQH
 Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
 RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
 BuffType=unknown, BuffSize=8192kB, MaxMultSect=16, MultSect=?16?
 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
 IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
 PIO modes: pio0 pio1 pio2 pio3 pio4
 DMA modes: mdma0 mdma1 mdma2
 UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5
 AdvancedPM=no WriteCache=enabled
 Drive conforms to: ATA/ATAPI-6 T13 1410D revision 2: ATA/ATAPI-1,2,3,4,5,6

 * signifies the current active mode

hdparm -I /dev/sda

/dev/sda:

ATA device, with non-removable media
        Model Number: ST3160023AS
        Serial Number: 3JS2LVQH
        Firmware Revision: 3.18
Standards:
        Used: ATA/ATAPI-6 T13 1410D revision 2
        Supported: 6 5 4
Configuration:
        Logical max current
        cylinders 16383 16383
        heads 16 16
        sectors/track 63 63
        --
        CHS current addressable sectors: 16514064
        LBA user addressable sectors: 268435455
        LBA48 user addressable sectors: 312581808
        device size with M = 1024*1024: 152627 MBytes
        device size with M = 1000*1000: 160041 MBytes (160 GB)
Capabilities:
        LBA, IORDY(can be disabled)
        Standby timer values: spec'd by Standard
        R/W multiple sector transfer: Max = 16 Current = 16
        Recommended acoustic management value: 254, current value: 0
        DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6
             Cycle time: min=120ns recommended=120ns
        PIO: pio0 pio1 pio2 pio3 pio4
             Cycle time: no flow control=240ns IORDY flow control=120ns
Commands/features:
        Enabled Supported:
           * SMART feature set
                Security Mode feature set
           * Power Management feature set
           * Write cache
           * Look-ahead
           * Host Protected Area feature set
           * WRITE_BUFFER command
           * READ_BUFFER command
           * DOWNLOAD_MICROCODE
                SET_MAX security extension
           * 48-bit Address feature set
           * Device Configuration Overlay feature set
           * Mandatory FLUSH_CACHE
           * FLUSH_CACHE_EXT
           * SMART error logging
           * SMART self-test
           * SATA-I signaling speed (1.5Gb/s)
Security:
                supported
        not enabled
        not locked
                frozen
        not expired: security count
        not supported: enhanced erase
Checksum: correct