Eeee. I don't know.. I just plug the things in and use them. I had four USB 4 port hubs and never had a problem with them. I dumped them when my USB collection grew (now up to 18 USB devices) and got three Belkin 7 port hubs. They've never blinked once. bones -----Original Message----- From: jhb_airlines-bounce@xxxxxxxxxxxxx [mailto:jhb_airlines-bounce@xxxxxxxxxxxxx] On Behalf Of Gerry Winskill Sent: 16 December 2006 11:43 To: jhb_airlines@xxxxxxxxxxxxx Subject: [jhb_airlines] Re: USB Disk Drives Staying with USB; with two apparently duff USB 2 hubs, what really happens. I wouldn't have thought they could be physically damaged, when rejected by an XP driver corruption. If "jammed" are they unjamable? Gerry Winskill Bones wrote: > If you plug a USB2 device into any USB1.1 port you should get a > warning that it may not perform at high speed because the port is of > lower spec. > > bones > > -----Original Message----- > *From:* jhb_airlines-bounce@xxxxxxxxxxxxx > [mailto:jhb_airlines-bounce@xxxxxxxxxxxxx] *On Behalf Of > *FrankTurley@xxxxxxx > *Sent:* 16 December 2006 10:51 > *To:* jhb_airlines@xxxxxxxxxxxxx > *Subject:* [jhb_airlines] Re: USB Disk Drives > > Thanks Alastair and Alex for those comments. > > You have prompted another 2 questions - > > (a) I had assumed that the FS program was loaded entirely at start > up, so that the only disk accessing going on during flight would > be scenery loading. Can anyone confirm this? > > (b) You both prompted me to have a good look at the specs, and > clearly it is highly desirable to use USB 2.0 rather than USB 1.1. > My elderly (3 years old) Dell PC has a number of USB ports, how > can I tell what spec these are? > > Note I was thinking of getting one of these disk drives to store > the Horizon FSX scenery. > > Frank T. >