Thread: usb 1/usb2 any stability differences?

Ok - Now I recieved my second pcmcia cardbus with drivers on cd (think it was called usb2.0 drivers ver. 2.1) and it works quite similair to the first cardbus. But this have 4 usb ports instead of 2. Most devices works when connected directly to the cardbus, but using many devices I have to use hubs. I experimented with powered and unpowered. Seems like I cannot make all devices work at the same time. Even if I do a full boot from where the pc was completely shut down I radomly get at least one device that doesnt get activated. This is often fixed by removing and re-attaching the device again, I am wondering if I might have some kind of usb-conflicts? Does anyone have a clue on how to check If my pc has got conflicts, I´ve read about windows xp not being able to tell me if there are conflicts even if there are. All my devices says to be in "no conflict" when browsing hardware manager

Dunno, I would think you shouldn't be able to get conflicts with liscensed devices, at least not driver wise.

Think it could be a conflict with the built in USB? Anyway to disable it in the BIOS if you haven't already?

I had some issues with adding USB2 to my dock when I was using my older dell laptop.

Originally Posted by shotgunefx

Dunno, I would think you shouldn't be able to get conflicts with liscensed devices, at least not driver wise.

Think it could be a conflict with the built in USB? Anyway to disable it in the BIOS if you haven't already?

I had some issues with adding USB2 to my dock when I was using my older dell laptop.

and You mean You had problems getting usb2 to work?
and You solved it how? Disabled usb1?

Originally Posted by bimmerpc

and You mean You had problems getting usb2 to work?
and You solved it how? Disabled usb1?

On the laptop (running linux) at the time, it was not an option to disable it. I was originally using a USB2 PCI card in the doc and I'd get spurious errors and a bios warning that required me to F1 to proceed to boot.

I switched to a PCMCIA card which avoided the bios error and fixed the sporadic operation, though I'd still get warnings (I can't remember what the content was) about communication errors, though from a functional perspective, it all worked.

Actually thinking about it, I think I tried a different PCMCIA card originally and it did not work, and then swapped it out for the one that did. I soon after got a laptop with usb2 so I'm not sure what the brand is off the top of my head, I'll go dig it up later.

Anyway, it may be worth while to make a live linux cd and see if you can't troubleshoot it.

lsusb would be handy, also the usb devfs and the various logs might give you a clue as to how or why things are being dropped.

Originally Posted by shotgunefx

On the laptop (running linux) at the time, it was not an option to disable it. I was originally using a USB2 PCI card in the doc and I'd get spurious errors and a bios warning that required me to F1 to proceed to boot.

I switched to a PCMCIA card which avoided the bios error and fixed the sporadic operation, though I'd still get warnings (I can't remember what the content was) about communication errors, though from a functional perspective, it all worked.

Actually thinking about it, I think I tried a different PCMCIA card originally and it did not work, and then swapped it out for the one that did. I soon after got a laptop with usb2 so I'm not sure what the brand is off the top of my head, I'll go dig it up later.

Anyway, it may be worth while to make a live linux cd and see if you can't troubleshoot it.

lsusb would be handy, also the usb devfs and the various logs might give you a clue as to how or why things are being dropped.

..just that I´m using xp, looking for a usb diagnostic tool for usb and XP. Tried pc doctor (for ibm laptops) yesterday, which was for ms-dos and it did not find any problems. Guess something gets wrong when xp loads...

Originally Posted by bimmerpc

..just that I´m using xp, looking for a usb diagnostic tool for usb and XP. Tried pc doctor (for ibm laptops) yesterday, which was for ms-dos and it did not find any problems. Guess something gets wrong when xp loads...

Yeah, that's why I suggested a live linux disk. You could just boot off it without installing anything.

Not like it happens often, but when it does, I hate trying to diagnose any HW problems in any version of Win.

Anyone else who knows a good utility that I can download and us when inside windows xp