Hi,
If you set:
hw.usb.umass.throttle=xxx
Then it might have the same effect!
Needs "options USB_DEBUG" in the kernel configuration file.
SYSCTL_INT(_hw_usb_umass, OID_AUTO, throttle, CTLFLAG_RWTUN,
&umass_throttle, 0, "Forced delay between commands in milliseconds");
--HPS