Date: Wed, 31 May 2006 13:11:37 -0300 From: JoaoBR <joao@matik.com.br> To: freebsd-current@freebsd.org Cc: Rod Person <rodperson@adelphia.net>, Dan Nelson <dnelson@allantgroup.com> Subject: Re: Current 7 U320 transfer rate only 3.300 MB/s Message-ID: <200605311311.38075.joao@matik.com.br> In-Reply-To: <20060531150634.GD6982@dan.emsphone.com> References: <200605301914.41981.rodperson@adelphia.net> <20060531150634.GD6982@dan.emsphone.com>
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On Wednesday 31 May 2006 12:06, Dan Nelson wrote: > In the last episode (May 30), Rod Person said: > > I have and LSI u320 SCSI controller on a TYAN Thunder K8WE board with > > and nvidia4 chipset. My boot message displays the following > > > > da0 at mpt0 bus 0 target 0 lun 0 > > da0 <FUJITSU MAP3735NP 5605> FIXED Direct Access SCSI-3 device > > da0 3.300MB/s tranfers, Tagged Queueing Enabled > > > > Why is my transfer rate so low? Anyone have an idea how I can correct > > this? > > That may just be a display bug. Does "diskinfo -t da0" report > reasonable speeds? If not, check your bios to see if you are forcing a > slow speed, or try running "camcontrol negotiate da0 -R 160" to force > 320MB speeds (160 Mhz * 16 bit bus =3D 320MB). on releng_6 this is the same problem with atapicam cd0 at ata1 bus 0 target 0 lun 0 cd0: <HL-DT-ST CD-RW GCE-8527B 1.02> Removable CD-ROM SCSI-0 device cd0: 3.300MB/s transfers but seems to work as usual Jo=E3o A mensagem foi scaneada pelo sistema de e-mail e pode ser considerada segura. Service fornecido pelo Datacenter Matik https://datacenter.matik.com.br
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