Date: Thu, 24 Feb 2005 22:45:03 +0100 From: Phil Schulz <ph.schulz@gmx.de> To: Osmany Guirola Cruz <osmany.guirola@cigb.edu.cu> Cc: freebsd-questions@freebsd.org Subject: Re: usb Message-ID: <421E4ADF.1050103@gmx.de> In-Reply-To: <1109265397.810.5.camel@draco.cigb.edu.cu> References: <1109260854.36880.3.camel@draco.cigb.edu.cu> <421E34C6.6010305@gmx.de> <1109265397.810.5.camel@draco.cigb.edu.cu>
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On 02/24/05 18:16, Osmany Guirola Cruz wrote: >> On 02/24/05 17:00, Osmany Guirola Cruz wrote: >> >>>Hi >>>i have an usb 2.0 external harddisk this is the info >>> >>>umass0: Maxtor OneTouch, rev 2.00/2.00, addr 2 >>>umass0: Get Max Lun not supported (STALLED) >>>da0 at umass-sim0 bus 0 target 0 lun 0 >>>da0: <Maxtor OneTouch 0201> Fixed Direct Access SCSI-0 device >>>da0: 1.000MB/s transfers >>>da0: 117246MB (240119808 512 byte sectors: 255H 63S/T 14946C) >>> >>>Why the speed it's so slow? i have a 2.0 usb card :-( >>>How can i change the transfer speed >>> >> >> >> You'll need device ehci in your kernel or module ehci.ko loaded. Even >> then, the reported speed is not always correct. >> To find out at what speed your device is running, try to transfer some >> large file with dd. >> > I added this line to the configuration file of the kernel > > device ehci > > rebooted the system and conected the usb disk and i get the same > transfers speed > 1.00MB/s and in the /boot/kernel/ directory there is not ehci.ko file > i have to add another line to the configuration file or it's compiled > into the kernel > Chapter 8 of the handbook might be of interest to you. http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html After you have got things set up right, you should see the USB 2.0 controller in your dmesg. Provided it is supported by freebsd. Regards, Phil.
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