On Sun, 9 Jul 2006, Peter Chen wrote: > I find my flash's speed is slower than usb,so that's > > the reason when it takes more time on vfs_write. > > my usb controller is full speed device,the speed is 6.5Mbps or so > > that speed is normal?or still can speed up?
That speed is normal. The absolute maximum for full-speed USB is 9.28 Mb/s; in practice two-thirds of the maximum is good. > When write-in my nand flash,the speed is only 4Mbps,is it too slow? Too slow for what? Alan Stern ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
