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Subject: Re: 2.6.0 performance problems
From: Martin Schlemmer <azarah@nosferatu.za.org>
Reply-To: azarah@nosferatu.za.org
To: Thomas Molina <tmolina@cablespeed.com>
Cc: Linus Torvalds <torvalds@osdl.org>,
       Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Tue, 2003-12-30 at 01:05, Thomas Molina wrote:

> Sorry.  One other bit of data from 2.6:
>=20
> [root@lap bitkeeper]# hdparm -i /dev/hda
>=20
> /dev/hda:
>=20
>  Model=3DIBM-DJSA-220, FwRev=3DJS4OAC3A, SerialNo=3D44V44FT3300
>  Config=3D{ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
>  RawCHS=3D16383/16/63, TrkSize=3D0, SectSize=3D0, ECCbytes=3D4
>  BuffType=3DDualPortCache, BuffSize=3D1874kB, MaxMultSect=3D16, MultSect=
=3D16
>  CurCHS=3D17475/15/63, CurSects=3D16513875, LBA=3Dyes, LBAsects=3D3907008=
0
>  IORDY=3Don/off, tPIO=3D{min:240,w/IORDY:120}, tDMA=3D{min:120,rec:120}
>  PIO modes:  pio0 pio1 pio2 pio3 pio4
>  DMA modes:  mdma0 mdma1 mdma2
>  UDMA modes: udma0 udma1 *udma2 udma3 udma4
>  AdvancedPM=3Dyes: mode=3D0x80 (128) WriteCache=3Denabled
>  Drive conforms to: ATA/ATAPI-5 T13 1321D revision 1:
>=20
>  * signifies the current active mode

Any reason it is currently set to udma2 where it support udma4 ?


--=20
Martin Schlemmer

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