On Sat, 9 Dec 2006 16:42:42 -0500 (EST) Alan Stern wrote: > On Sat, 9 Dec 2006, David Relson wrote: ...[snip]... > > I'm thinking I should return the card ASAP, but perhaps there's a > > setting I'm missing that would make the new card perform well. > > > > Anybody have experience with the ALi chipset (specifically on a > > StarTech.com USB 2.0 4 Port PCI card)? > > I've got a 4-port USB 2.0 PCI card with an ALi chipset (I don't recall > whether it is a StarTech.com card, though). It works just fine. > > Have you tried changing USB cables? > > Alan Stern
Nope, haven't tried switching cables. I have only 1 cable with the proper connectors for the HD. As a test, I timed the copying of files of 125MB, 250MB, 500MB, and 1GB from internal IDE HD to external USB HD. Using the same HD and cable, tests were run using the mobo's VIA USB port and the new card's ALi USB port. With vmstat running, I can see writes occurring for a while (30 or so seconds), then stopping for the next 30 or so seconds, then writing, then stopping, etc. The 1GB file took 55 seconds with the VIA and 8 min 34 sec with the ALi. The factor of 9 decrease in throughput is pretty bad! With the net result be ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Linux-usb-users@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
