Hi All.

I have a problem with USB-HDD Transcend StoreJet 25M3 (USB3/2-compatible device) on motherboard Asus M2N only, but do not have on another hardware platform. I've probed in FreeBSD 8.0 - 8.2 This problem exists only on this motherboard with FreeBSD 8, but does not exist with Ubuntu 10. USB2 ports are capable of "High speed" in BIOS.

dmesg:
ugen0.3: <StoreJet Transcend> at usbus0
umass0: <StoreJet Transcend StoreJet Transcend, class 0/0, rev 2.00/0.02, addr 3> on usbus0
da0 at umass-sim0 bus 0 scbus6 target 0 lun 0
da0: <StoreJet Transcend 2AJ1> Fixed Direct Access SCSI-2 device
da0: 1.000MB/s transfers
da0: 610480MB (1250263728 512 byte sectors: 255H 63S/T 77825C)

>da0: 1.000MB/s transfers - very slow

usbconfig:
ugen0.1: <OHCI root HUB nVidia> at usbus0, cfg=0 md=HOST spd=FULL (12Mbps) pwr=SAVE ugen1.1: <EHCI root HUB nVidia> at usbus1, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=SAVE ugen0.2: <USB-PS/2 Optical Mouse B16_b_02> at usbus0, cfg=0 md=HOST spd=LOW (1.5Mbps) pwr=ON ugen0.3: <StoreJet Transcend StoreJet Transcend> at usbus0, cfg=0 md=HOST spd=FULL (12Mbps) pwr=ON >ugen0.3: <StoreJet Transcend StoreJet Transcend> at usbus0, cfg=0 md=HOST spd=FULL (12Mbps) pwr=ON???

copy(gstat):
dT: 1.001s  w: 1.000s
 L(q)  ops/s    r/s   kBps   ms/r    w/s   kBps   ms/w   %busy Name
 ....
    1      8      6    767  125.9      2    256  125.7  100.6| da0
    1      8      6    767  125.9      2    256  125.7  100.6| da0s1
 ....

But other device looks well:
ugen1.2: <Maxtor> at usbus1
umass0: <Maxtor OneTouch, class 0/0, rev 2.00/1.25, addr 2> on usbus1
da0 at umass-sim0 bus 0 scbus6 target 0 lun 0
da0: <Maxtor OneTouch 0125> Fixed Direct Access SCSI-4 device
da0: 40.000MB/s transfers
da0: 238475MB (488397168 512 byte sectors: 255H 63S/T 30401C)

I've written about that http://forums.freebsd.org/showthread.php?p=128289#post128289
Please help to solve this problem.
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