Netra X1 - USB Cdrom, port2 Disable ?

["Maurizio Caloro" <mauric%gmx.ch@localhost>]

Hello together
trying to add on Netra X1 one external USB Cdrom from LiteOne to burn, 
it's this possible the USB revision are to old to communicate correct with this 
USB Cdrom?

it's this possible error for diffrent version USB and Speed Mismatch?
Thanks for any Answer
Regards
Mauri

NetBSD one 5.1 NetBSD 5.1 (GENERIC) #0: Sat Nov  6 19:23:36 UTC 2010  
builds%b7.netbsd.org@localhost:/home/builds/ab/netbsd-5-1-RELEASE/sparc64/201011061943Z-obj/home/builds/ab/netbsd-5-1-RELEASE/src/sys/arch/sparc64/compile/GENERIC
 sparc64

usb0 at ohci0: USB revision 1.0
wd0 at atabus0 drive 0uhub0 at usb0: Acer Labs OHCI root hub, class 9/0, rev 
1.00/1.00, addr 1
usb0 at ohci0: USB revision 1.0
wd0 at atabus0 drive 0uhub0 at usb0: Acer Labs OHCI root hub, class 9/0, rev 
1.00/1.00, addr 1
usb0 at ohci0: USB revision 1.0
wd0 at atabus0 drive 0uhub0 at usb0: Acer Labs OHCI root hub, class 9/0, rev 
1.00/1.00, addr 1

umass0 at uhub0 port 2 configuration 1 interface 0
umass0: USB2.0 External Mass Storage Device, rev 2.00/1.58, addr 2
umass0: using ATAPI over Bulk-Only
atapibus0 at umass0: 2 targets
cd0 at atapibus0 drive 0: <Slimtype, eSAU108   2, LL06> cdrom removable
umass0: at uhub0 port 2 (addr 2) disconnected
cd0: detached
atapibus0: detached
umass0: detached
uhub0: port 2, set config at addr 2 failed
uhub0: device problem, disabling port 2
uhub0: port error, restarting port 2
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