[mythtv-users] ME6000 and hard drives

David Mallwitz dave at dmallwitz.net
Tue Feb 10 05:31:14 EST 2004

On Tuesday 10 February 2004 03:23 am, Clay wrote:
> I was curious if anyone on the list using the combination of an EPIA
> ME6000 and a PVR 350 would be willing to post what type of hard drive
> they're using and what kind of statistics hdparm reports on the
> drive? I was using an old Seagate 60GB just fine with my ME6000, but
> I can't use my new Maxtor drives (120GB and 160GB each) without
> turning DMA off, which I'd prefer not to do.  (ivtv will hard freeze
> the system playing back MPEG2 files if DMA is turned on with the
> Maxtors.  I can't even SSH in in this case.)
> Thanks for any information!
I've got that same combo, but with a Seagate 120g HD. Here are the 

tv root # hdparm -tT /dev/hda

 Timing buffer-cache reads:   272 MB in  2.00 seconds = 136.00 MB/sec
 Timing buffered disk reads:  100 MB in  3.03 seconds =  33.00 MB/sec

tv root # hdparm /dev/hda

 multcount    = 16 (on)
 IO_support   =  1 (32-bit)
 unmaskirq    =  1 (on)
 using_dma    =  1 (on)
 keepsettings =  0 (off)
 readonly     =  0 (off)
 readahead    =  8 (on)
 geometry     = 14593/255/63, sectors = 234441648, start = 0

tv root # hdparm -I /dev/hda


ATA device, with non-removable media
        Model Number:       ST3120026A                              
        Serial Number:      3JT1S5C            
        Firmware Revision:  3.06    
        Used: ATA/ATAPI-6 T13 1410D revision 2 
        Supported: 6 5 4 3 
        Logical         max     current
        cylinders       16383   65535
        heads           16      1
        sectors/track   63      63
        CHS current addressable sectors:    4128705
        LBA    user addressable sectors:  234441648
        LBA48  user addressable sectors:  234441648
        device size with M = 1024*1024:      114473 MBytes
        device size with M = 1000*1000:      120034 MBytes (120 GB)
        LBA, IORDY(can be disabled)
        bytes avail on r/w long: 4      Queue depth: 1
        Standby timer values: spec'd by Standard
        R/W multiple sector transfer: Max = 16  Current = 16
        Recommended acoustic management value: 128, current value: 0
        DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5 
             Cycle time: min=120ns recommended=120ns
        PIO: pio0 pio1 pio2 pio3 pio4 
             Cycle time: no flow control=240ns  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 
                SET MAX security extension
           *    DOWNLOAD MICROCODE cmd
           *    SMART self-test 
           *    SMART error logging 
        not     enabled
        not     locked
        not     frozen
        not     expired: security count
        not     supported: enhanced erase
HW reset results:
        CBLID- above Vih
        Device num = 0 determined by CSEL
Checksum: correct

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