New Lexar USB card reader, X tells me low power

The card reader worked fine yesterday.
Today, no matter where I plug it in (usb port) or the keyboard, OS X pops up a window telling me there is low power for this device. Therefore, I can not mount the CF card in the Lexar card reader.
This card didn't have any installers. Should I look for some on their webpage?
I guess I should have bought the Sandisk card reader, about the same price, eh?
Should I start looking for my receipt to trade it for the Sandisk card reader?

Lexar USB card reader is: Model RW022 Rev A
I did contact Lexar using their 24 hour live chat on their webpage. An excerpt from the conversation is pasted below. I wrote "Lexar" and "me" to hide identities of those involved.
Lexar: we are sorry to say that, our card reader is compatible with USB 1.0, USB 2.0.
Lexar: not compatible with 1.0
me: so the card reader is not compatible with 1.0 on a Mac
Lexar: exactly.
Lexar: not compatible with USB 1.0
me: ok, thanx
Lexar: is there any thing else i need to assist you.
me: yes, what versions of Mac OS is this card reader compatibvle with?
Lexar: this reader RW022 is compatible with MAC tiger.
me: from your webpage this card reader is compatible with USB 1.1 and USB 2.0
me: http://www.lexar.com/readers/compactflash-2.html
me: All Macs, even older ones, were USB 1.1
Lexar: all lexar products are compatible with USB 1.1 and USB 2.0 only.
me: My mac is USB 1.1
Lexar: then it will work.
The conversation went on and Lexar asked for time to research this, which I told them to take all the time they needed.
In the end though, Lexar asked me if I had it connected to the keyboard, and I answered yes, and they said it should be connected to the tower.
So I'm assuming connecting the card reader to the Apple keyboard doesn't have enough power (as the keyboard and Pro Mouse are also using the power there). They told me it should work if connected to the tower. I thanked them and said I'd try that.
So I'm assuming that this card reader should either be connected to the Cube directly (without turning it over I hope I have 3 USB ports under there) or to a better USB port that is powered (than what I have) so that the card reader gets plenty of power. In the past, I simply connected my very old CF reader [in OS 9.x] to the keyboard (like I do my scanner) and it worked.
Do most card readers need to be connected to the "tower" or to a powered usb port?

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