On Thursday 25 July 2002 07:51, Todd A. Jacobs wrote:
> On Thu, 25 Jul 2002, Oeystein Olsen wrote:
> > /dev/hda:
> > setting using_dma to 1 (on)
> > HDIO_SET_DMA failed: Operation not permitted
> > using_dma = 0 (off)
>
> That means your drive doesn't support DMA access. It's probably a low-end
> drive. To see what options you *do* have, try "hdparm -i /dev/hda" and see
> what it tells you about your device.
Here is the result for (hda and) hdc.Suggestions for improving the playback
of dvds? (Anyway, I have a dual boot system. In windows, the dvds play
perfectly.)
[root@uv5a-139 oeysteio]# hdparm -i /dev/hda
/dev/hda:
Model=TOSHIBA MK3018GAP, FwRev=M2.01 A, SerialNo=62768185T
Config={ Fixed }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=46
BuffType=unknown, BuffSize=0kB, MaxMultSect=16, MultSect=16
CurCHS=17475/15/63, CurSects=16513875, LBA=yes, LBAsects=58605120
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: sdma0 sdma1 sdma2 mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4
*udma5
AdvancedPM=yes: unknown setting WriteCache=enabled
Drive Supports : Reserved : ATA-1 ATA-2 ATA-3 ATA-4 ATA-5
[root@uv5a-139 oeysteio]# hdparm -i /dev/hdc
/dev/hdc:
Model=SD-R2102, FwRev=1A16, SerialNo=62TD110022
Config={ Fixed Removeable DTR<=5Mbs DTR>10Mbs nonMagnetic }
RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0
BuffType=unknown, BuffSize=2048kB, MaxMultSect=0
(maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 *mdma2
AdvancedPM=no
Drive Supports : ATA/ATAPI-5 T13 1321D revision 3 : ATA-2 ATA-3 ATA-4 ATA-5
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