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Date: Sun, 29 Jun 2008 15:30:07 GMT
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To: freebsd-amd64@FreeBSD.org
From: Fabian Wenk <fabian@wenks.ch>
Cc: 
Subject: Re: amd64/125002: amd64, SATA hard disks not detected
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The following reply was made to PR amd64/125002; it has been noted by GNATS.

From: Fabian Wenk <fabian@wenks.ch>
To: "J.C." <goodbitster@gmail.com>
Cc: freebsd-gnats-submit@freebsd.org
Subject: Re: amd64/125002: amd64, SATA hard disks not detected
Date: Sun, 29 Jun 2008 17:27:59 +0200

 Hello J.C.
 
 On 26.06.08 09:07, J.C. wrote:
 >>Number:         125002
 >>Category:       amd64
 >>Synopsis:       amd64, SATA hard disks not detected
 
 >>Description:
 > The FreeBSD 7.0 amd64 installer says it can't find any disk
 > drives on my computer.
 > 
 > For whatever it's worth, here's the dmesg output from my OpenBSD
 > installation (which found and installed on the SATA disk drives
 > in question without any changes to the system or BIOS):
 
 > wd0 at pciide1 channel 0 drive 0: <WDC WD5000AAKS-00YGA0>
 > wd0: 16-sector PIO, LBA48, 476940MB, 976773168 sectors
 > wd0(pciide1:0:0): using PIO mode 4, Ultra-DMA mode 5
 > wd1 at pciide1 channel 1 drive 0: <WDC WD5000AAKS-00A7B0>
 > wd1: 16-sector PIO, LBA48, 476940MB, 976773168 sectors
 > wd1(pciide1:1:0): using PIO mode 4, Ultra-DMA mode 5
 
 OpenBSD did find them as IDE (aka P-ATA) disks.
 
 Somewhere in the BIOS settings should be an option to switch the 
 SATA controller to AHCI, maybe this helps.
 
 On most computers this setting defaults to P-ATA mode, which is a 
 slower compatibility mode and is needed for an other OS to work.
 
 
 bye
 Fabian