I've noticed that as well. I'm also suspecting driver issues, but there
doesn't seem to be a whole lot of information regarding the SATA
controller on this board with linux out there. I'll probably try
downloading the latest vanilla kernel later today to see if they have any
updates.
___
John
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On Wed, 13 Jul 2005, Mark Knecht wrote:
On 7/12/05, cfactor <[EMAIL PROTECTED]> wrote:
Hi all. I'm building a new myth backend. I just got a pundit-r box. I
have a WD SATA HD and IDE CD-ROM connected to it. Running hdparm, I'm
only getting about 14MB/s. DMA is turned on, different multcount options
don't seem to do much. I've seen few reports of it online, but no
solution. What kind of speed are other Pundit-R/SATA users getting?
___
John
John,
I'm getting about the same thing. 12MB/S if I don't mess with
settings. Up to about 14MB/S if I do.
I did notice that my SATA drive doesn't report as many udma modes
as my other drives and is hence set to a slower mode:
myth12 ~ # hdparm -i /dev/hdc
/dev/hdc:
Model=WDC WD1600JD-00HBB0, FwRev=08.02D08, SerialNo=WD-WMAL93597321
Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }
RawCHS=16383/16/63, TrkSize=57600, SectSize=600, ECCbytes=74
BuffType=DualPortCache, BuffSize=8192kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
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
AdvancedPM=no WriteCache=enabled
Drive conforms to: device does not report version:
* signifies the current active mode
myth12 ~ #
Maybe there's somethign about the current ATI IGP chipset driver that
doesn't do the best at getting speed out of the drives?
- Mark
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