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    SubjectHPA patch doesn't work on my SATA, kernel-2.6.18
    Hi,
    .
    I want to remove HPA in SATA, I was recommended to
    follow this linux-ide site.
    http://www.mail-archive.com/linux-lde@vger.kernel.org/msg05215.html
    I want to remove HPA area under Kernel-2.6.18.
    But after patching ,I couldn't see anything like HPA
    in dmesg and fdisk information.
    There is no difference between before and after patch.
    Now I am using SATA 250GB includes HPA, 11GB.
    And I installed HDPARM7.3,which support SATA, to get
    some information.
    But there's nothing related to my SATA 250GB, HPA.
    In the output of "HDPARM -I /dev/sda" there is a
    device size, 239GB, but that doesn't include HPA area.
    Could you please tell me which kernel patch, program
    or commands to use in order to remove HPA area under
    Linux ?
    .......................
    [root@localhost hdparm-7.3]# ./hdparm -I /dev/sda
    /dev/sda:
    ATA device, with non-removable media
    Model Number: SAMSUNG SP2504C
    Serial Number: S0H9J1QP400136
    Firmware Revision: VT100-50
    Standards:
    Used: ATA/ATAPI-7 T13 1532D revision 4a
    Supported: 7 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: 467348955
    device size with M = 1024*1024: 228197
    MBytes
    device size with M = 1000*1000: 239282
    MBytes (239 GB)
    Capabilities:
    LBA, IORDY(can be disabled)
    Queue depth: 32
    Standby timer values: spec'd by Standard, no
    device specific minimum
    R/W multiple sector transfer: Max = 16
    Current = 16
    Recommended acoustic management value: 254,
    current value: 128
    DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3
    udma4 *udma5 udma6 udma7
    Cycle time: min=120ns recommended=120ns
    PIO: pio0 pio1 pio2 pio3 pio4
    Cycle time: no flow control=120ns 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
    * NOP cmd
    * DOWNLOAD_MICROCODE
    * SET_MAX security extension
    * Automatic Acoustic Management feature
    set
    * 48-bit Address feature set
    * Device Configuration Overlay feature
    set
    * Mandatory FLUSH_CACHE
    * FLUSH_CACHE_EXT
    * SMART error logging
    * SMART self-test
    * General Purpose Logging feature set
    * Segmented DOWNLOAD_MICROCODE
    * SATA-I signaling speed (1.5Gb/s)
    * SATA-II signaling speed (3.0Gb/s)
    * Native Command Queueing (NCQ)
    * Host-initiated interface power
    management
    * Phy event counters
    DMA Setup Auto-Activate optimization
    Device-initiated interface power
    management
    * Software settings preservation
    * SMART Command Transport (SCT) feature
    set
    * SCT Long Sector Access (AC1)
    * SCT LBA Segment Access (AC2)
    * SCT Error Recovery Control (AC3)
    * SCT Features Control (AC4)
    * SCT Data Tables (AC5)
    Security:
    Master password revision code = 65534
    supported
    not enabled
    not locked
    frozen
    not expired: security count
    supported: enhanced erase
    88min for SECURITY ERASE UNIT. 88min for
    ENHANCED SECURITY ERASE UNIT.
    Checksum: correct
    [root@localhost hdparm-7.3]#
    .
    Friendly,
    Nobel


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