See how Units 0-2 appear as "AcerLabs M5237 (Aladdin-V)", but Unit #3 shows up as "Unknown"?
Do yourself a favour and try a real USB2 card, namely one with a NEC USB2 chipset. Those guys are getting rare today, as the cheap crap (like ALi) are flooding the market.
From my own experience with Prometheus and / or Linux, forget about ALi and other brands when using non-Microsoft USB software with USB2 controllers. We had only troubles with USB2 PCI controllers which were not NEC made, including the aforementioned lockups, bus stopping working, data loss on mass storage devices, USB2 devices only being recognized as USB1.1, ....
Michael
