Re: P4C800 USB problem?


Paul wrote:
In article <1157334266.841051.147030@xxxxxxxxxxxxxxxxxxxxxxxxxxx>,
lee@xxxxxxxxxxxxxx wrote:

I've got a P4C800 that for some strange reason will not read my 1GB
Lexar Jump drive on the USB ports connected to the front of the PC but
works fine on the rear ports. XP sees the drive but says there's
problem with it. The drive works fine on every other system I've tried
it on and my camera works on these ports fine. Has anyone else seem a
similar problem?

Do you have an older Antec case ? Many older Antec cases intentionally
had USB 1.1-only USB ports built into the case. If you noticed this
fact, and complained to Antec, they would send a replacement PCB
module for the front ports. At least my Sonata had a USB2 rated
board already installed (USB2 is stamped on the board), so perhaps
they stopped doing it on models later than that. If your Lexar device
was USB2 rated, it should also be backward compatible with USB 1.1
rates. If connected to a USB 1.1 interface, or to some bad wiring,
it should fall back to USB 1.1 rates.

I wish there were some debugging tools for USB, but I've yet to
hear of anything really useful.

What you could try, is get a disk drive tray mounted USB port
and connect that to the motherboard. Perhaps by avoiding the
computer case USB port and wiring, and using a separate path,
you can get better response. This example is pretty ugly, and
there are black or white models, to better match your case. It
doesn't need quite so much crap printed on the faceplate. Note
that there are two types of trays - this one is just cabling
and a connector, while the trays with four ports, actually have
a hub chip on the PCB of the tray.

http://www.newegg.com/Product/Product.asp?Item=N82E16817111603

Frontx also makes cable assemblies. The plastic piece on the front
of these, can be unscrewed. Then, by making a cutout in some surface
of your computer case, the connector assembly can be screwed to
an existing surface of the case.

http://www.frontx.com/order2.html

You could also purchase something like this, and hack it up so
that it fits somewhere on the front of the computer. The
Estore is for North America, AFAIK.

"Quad USB Bracket $13.50"
http://estore.asus.com/shop/item.asp?itemid=951&catid=226

Paul

I didn't realize that there was a physical difference in the USB 1.1
and 2.0 connectors. The connectors I'm using are one of those drivebay
add-ons. It worked fine with my old ECS K7VZA, that's probably only
1.1.

I was under the impression that there was no no difference in the 1.1
and 2.0 except on the silicon. Am I wrong?

Thanks

.

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