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Re: DMA on SATA disks?

On Thu, 09 Feb 2006 01:30:18 +0100, Stephen Gran wrote:

> Can you please post full output (cut and pate from the prompt is best)?

I actually found that -I works:

nostromo:~# hdparm -i /dev/sda

 HDIO_GET_IDENTITY failed: Inappropriate ioctl for device

nostromo:~# hdparm -I /dev/sda


ATA device, with non-removable media
        Model Number:       WDC WD2500JD-40HBC0
        Serial Number:      WD-WCAL76485271
        Firmware Revision:  21.02J21
        Supported: 6 5 4 3
        Likely used: 6
        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:  488397168
        device size with M = 1024*1024:      238475 MBytes
        device size with M = 1000*1000:      250059 MBytes (250 GB)
        LBA, IORDY(can be disabled)
        bytes avail on r/w long: 74     Queue depth: 1
        Standby timer values: spec'd by Standard, with device specific minimum
        R/W multiple sector transfer: Max = 16  Current = 1
        Recommended acoustic management value: 128, current value: 128
        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=120ns  IORDY flow control=120ns
        Enabled Supported:
           *    READ BUFFER cmd
           *    WRITE BUFFER cmd
           *    Host Protected Area feature set
           *    Look-ahead
           *    Write cache
           *    Power Management feature set
                Security Mode feature set
           *    SMART feature set
           *    FLUSH CACHE EXT command
           *    Mandatory FLUSH CACHE command
           *    Device Configuration Overlay feature set
           *    48-bit Address feature set
           *    Automatic Acoustic Management feature set
                SET MAX security extension
           *    SET FEATURES subcommand required to spinup after power up
                Power-Up In Standby feature set
           *    DOWNLOAD MICROCODE cmd
           *    SMART self-test
           *    SMART error logging
        Master password revision code = 65534
        not     enabled
        not     locked
        not     frozen
        not     expired: security count
        not     supported: enhanced erase
Checksum: correct

DMA looks enabled :)

Best Regards, Jack
Linux User #264449
Powered by Debian GNU/Linux on AMD64

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