ph.schulz at gmx.de
Thu Feb 24 21:43:57 GMT 2005
On 02/24/05 18:16, Osmany Guirola Cruz wrote:
>> On 02/24/05 17:00, Osmany Guirola Cruz wrote:
>>>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.
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.
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