>> i was trying to achieve the speeds mentioned according to the usb 2.0 specs. >> http://en.wikipedia.org/wiki/USB_2.0#USB_2.0 > >Hi Arun, > >What is the speed that you are expecting? >Line speed for USB Hi speed is 480 Mbits/s. >So it is 60 MB/s. >(Note the differences ib M*Bits* and M*Bytes*) > >You are getting : >~18 MB/s on Read >~4 MB/s on Write
>> arun at opensolaris:/media# rmformat >> Looking for devices... >> 1. Logical Node: /dev/rdsk/c11t0d0p0 >> Physical Node: /pci at 0,0/pci1043,81ef at 13,5/storage at 6/disk at >> 0,0 >> Connected Device: Kingston DT 101 II 1.00 >> Device Type: Removable >> Bus: USB >> Size: 15.3 GB >> Label: repo0906 >> Access permissions: Medium is not write protected. Kingston say the maximum read/write speed is 10MB/s (both ways). Not sure why the "Read" returns more quickly than the device specifies. (http://www.kingston.com/flash/dt_chart.asp) Casper