From: Tejun Heo <htejun@gmail.com>
To: Theo Baumgartner <tbaumgartner@swissonline.ch>
Cc: linux-ide@vger.kernel.org
Subject: Re: sata_sil24 not configuring drive right?
Date: Tue, 03 Jul 2007 15:38:12 +0900 [thread overview]
Message-ID: <4689EED4.6070507@gmail.com> (raw)
In-Reply-To: <200706190628.38377.tbaumgartner@swissonline.ch>
Theo Baumgartner wrote:
> Hello
>
> I've got a sil3124 card which doesn't seem to use the full speed of my drives.
>
> -------------------------------------------------------------------------------------------------------------------
> ata1: SATA max UDMA/100 cmd 0xe0850000 ctl 0x00000000 bmdma 0x00000000 irq 17
> ata2: SATA max UDMA/100 cmd 0xe0852000 ctl 0x00000000 bmdma 0x00000000 irq 17
> ata3: SATA max UDMA/100 cmd 0xe0854000 ctl 0x00000000 bmdma 0x00000000 irq 17
> ata4: SATA max UDMA/100 cmd 0xe0856000 ctl 0x00000000 bmdma 0x00000000 irq 17
> scsi0 : sata_sil24
> ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> ata1.00: ATA-7: WDC WD3200YS-01PGB0, 21.00M21, max UDMA/133
> ata1.00: 625142448 sectors, multi 16: LBA48 NCQ (depth 1)
> ata1.00: configured for UDMA/100
> scsi1 : sata_sil24
> ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> ata2.00: ATA-7: WDC WD3200YS-01PGB0, 21.00M21, max UDMA/133
> ata2.00: 625142448 sectors, multi 16: LBA48 NCQ (depth 1)
> ata2.00: configured for UDMA/100
> scsi2 : sata_sil24
> ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> ata3.00: ATA-7: WDC WD3200YS-01PGB0, 21.00M21, max UDMA/133
> ata3.00: 625142448 sectors, multi 16: LBA48 NCQ (depth 1)
> ata3.00: configured for UDMA/100
> scsi3 : sata_sil24
> ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> ata4.00: ATA-7: WDC WD3200YS-01PGB0, 21.00M21, max UDMA/133
> ata4.00: 625142448 sectors, multi 16: LBA48 NCQ (depth 1)
> ata4.00: configured for UDMA/100
> -------------------------------------------------------------------------------------------------------------------
>
> Why does it tell "max UDMA/133" but then just uses UDMA/100?
That's the controller mask being applied. UDMA mode doesn't matter for
native SATA devices at all, so just ignore it.
> and what about the NCQ depth 1?
That's the harddrive reporting NCQ max depth of 1. Interesting. Care
to post the result of "hdparm -I /dev/sda"?
--
tejun
next prev parent reply other threads:[~2007-07-03 6:38 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-19 4:28 sata_sil24 not configuring drive right? Theo Baumgartner
2007-07-03 6:38 ` Tejun Heo [this message]
-- strict thread matches above, loose matches on Subject: below --
2008-02-20 19:16 Johann-Christoph Jacob
[not found] <47BB8346.4070400@fhtw-berlin.de>
[not found] ` <47BBA66C.7050900@gmail.com>
2008-02-20 19:19 ` Johann-Christoph Jacob
2008-02-21 1:23 ` Tejun Heo
2008-02-21 6:53 ` Tejun Heo
2008-02-21 12:26 ` Johann-Christoph Jacob
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