On Thursday 25 Sep 2003 9:08 pm, Thomas Backlund wrote:
> From: "L.V.Gandhi" <[EMAIL PROTECTED]>
>
> > I have two hard disks 20 gb seagate and 40 gb samsung. I see in BIOS they
>
> are
>
> > 100 ATA. However when I use hdparm, i get follwing results.
> > [EMAIL PROTECTED] lvgandhi]# hdparm /dev/hda
> >
> > /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 = 2434/255/63, sectors = 39102336, start = 0
> > [EMAIL PROTECTED] lvgandhi]# hdparm -tT /dev/hda
> >
> > /dev/hda:
> > Timing buffer-cache reads: 128 MB in 0.37 seconds =345.95 MB/sec
> > Timing buffered disk reads: 64 MB in 4.17 seconds = 15.35 MB/sec
> > [EMAIL PROTECTED] lvgandhi]# hdparm -i /dev/hda
> >
> > /dev/hda:
> >
> > Model=ST320413A, FwRev=3.39, SerialNo=6ED1JBLC
> > Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
> > RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=0
> > BuffType=unknown, BuffSize=512kB, MaxMultSect=16, MultSect=16
> > CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=39102336
> > IORDY=on/off, tPIO={min:240,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
> > AdvancedPM=no WriteCache=enabled
> > Drive conforms to: device does not report version: 1 2 3 4
> >
> > I have following lines in dmesg.
> > blk: queue c03cb420, I/O limit 4095Mb (mask 0xffffffff)
> > ide0: Speed warnings UDMA 3/4/5 is not functional.
> > blk: queue c03cb55c, I/O limit 4095Mb (mask 0xffffffff)
> > ide0: Speed warnings UDMA 3/4/5 is not functional.
> >
> > hdparm -X 69 /dev/hda also doesn't help.
> >
> > but for the same hdd, with mercury mb and 815 chipset, in mdk91, I used
> > to
>
> get
>
> > buffered disk reads nearly 29 MB/s.
>
> How about telling what kernel version you are running,
> and what m/b and chipset do you have...?
I am running mandrake 9.1 with the shipped kernel, in asus a7n8x deluxe
motherboard with nvidia nforce2 chipset and amd athlon 2400+ with 256 mb ram.
I was only wondering when the same system is giving good transfer rate with
knoppix, what tweaking is needed in mandrake9.1 to get it?
--
L.V.Gandhi
203, Soundaryalahari Apartments, Lawsons Bay colony, Visakhapatnam, 530017
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