hdparm on FC7

[Rick L Vinyard Jr]

I noticed the same behavior on FC7... and a search of Google and 
fedoraforum.org didn't provide any enlightenment.

Does anyone know the explanation?

Jovan Spasojevic wrote:
> Hello,
>
> sience FC7 i am not more able to set the (E)IDE 32-bit I/O support
> and multiple sector I/O sience fedora 7
> on Fedora 5 and 6 there was no problem i have write the comandos in 
> rc.local (/sbin/hdparm -c3 -m16 /dev/hda) (now it /dev/sda) and works.
> now on fc7 don't wokrs anymore all opts are marked as "off" only runs 
> in UDMA 5 Mode. i have this options set because it have a better 
> input/output Support/performance on my IDE/ATA100 HDD.
>
> Why hdparm not works anymore. I think it is the new SATA Protocoll.
>
> The Error that appears is:
>
> [root at localhost jovan]# /sbin/hdparm -c3 -m16 /dev/sda
>
> /dev/sda:
>  setting 32-bit IO_support flag to 3
>  HDIO_SET_32BIT failed: Invalid argument
>  setting multcount to 16
>  HDIO_SET_MULTCOUNT failed: Inappropriate ioctl for device
>  HDIO_GET_MULTCOUNT failed: Inappropriate ioctl for device
>  IO_support   =  0 (default 16-bit)
>
>
> /dev/sdb:
>  setting 32-bit IO_support flag to 3
>  HDIO_SET_32BIT failed: Invalid argument
>  setting multcount to 16
>  HDIO_SET_MULTCOUNT failed: Inappropriate ioctl for device
>  HDIO_GET_MULTCOUNT failed: Inappropriate ioctl for device
>  IO_support   =  0 (default 16-bit)
> [root at localhost jovan]#
>
>
> This is the current output from hdparm:
>
> /dev/sda:
>  IO_support   =  0 (default 16-bit)
>  readonly     =  0 (off)
>  readahead    = 256 (on)
>  geometry     = 9964/255/63, sectors = 160086528, start = 0
>
>  Model=Maxtor 6Y080L0                          , FwRev=YAR41VW0, 
> SerialNo=Y3HVAW5E
>  Config={ Fixed }
>  RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
>  BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=?16?
>  CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=160086528
>  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
>  UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 udma3 udma4 udma5
>
> *udma6 (How can that be when i have a UDMA5 HDD and my Motherboard 
> supports max ATA100???????????????
>
>  AdvancedPM=yes: disabled (255) WriteCache=enabled
>  Drive conforms to: ATA/ATAPI-7 T13 1532D revision 0:  ATA/ATAPI-1 
> ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6 ATA/ATAPI-7
>
>  * signifies the current active mode
>
> But there is a error i have a Intel 775 Asrock Motherboard with ATA100 
> and my Hardware support UDMA5 not UDMA6 (see above)
>
>
> regards.
>
>
>
>