usb 2.0
Ow Mun Heng
ow.mun.heng at wdc.com
Wed Dec 17 05:30:32 UTC 2003
> -----Original Message-----
> From: clemens at dwf.com [mailto:clemens at dwf.com]
> Sent: Wednesday, December 17, 2003 12:29 PM
> To: fedora-list at redhat.com
> Cc: reg at orion.dwf.com
> Subject: Re: usb 2.0
>
>
> What kind of
> > speeds can be expected?
>
> I had problems with my (off brand?) USB2.0 card / USB Disk up
> to the curreng
> jumbo patch for 2.6.0-test11. With it, it works like a
> champ. I see 16MB/s
> transfer rates, which is probably limited by the disk hardware.
This is /bin/hdparm -tT readings?? That's real fast..
One guy with a maxtor usb 2.0 HD on this list had
[root at localhost sbin]# ./hdparm -tT /dev/sdb1
/dev/sdb1:
Timing buffer-cache reads: 852 MB in 2.00 seconds = 426.00 MB/sec
Timing buffered disk reads: 36 MB in 3.10 seconds = 11.61 MB/sec
which is tm a bit slow compared to ide at 26-29MB/sec
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