USB 2.0 PCMCIA card and Compaq Presario 2197

Archived from groups: comp.sys.laptops (More info?)

zhixin_han@hotmail.com wrote:
> Hi,
>
> Anybody got Presario 2197 (which has USB 1.1 built in) working with a
> USB 2.0 PCMCIA card? I tried three different cards but can only get a
> speed of a couple of times of USB 1.1. Even worse is that an external
> hard drive (AcomData) can't be even recognized by any of the cards and
> the laptop willl freeze a few seconds after.
>
> The cards all work fine with a 3-4 year old IBM laptop. So I think
> this is a problem of my Presario. I have sent my laptop to HP for
> service for two times but they didn't fix it. A few days ago I called
> again and they refused to service, claiming that this is a
> compatibility issue.
>
> Thanks for your help.
>
>
> Zhixin

This could be a power issue: how is the card powered, and how is the
drive powered?

Q

Archived from groups: comp.sys.laptops (More info?)

zhixin_han@hotmail.com wrote:
> I tried to power the card with a 5V adaptor. Still the same thing. The
> drive has a 250G capacity and is self powered.
>
> Thanks.

The drive is self-powered? Does this mean it has an independent DC
supply via AC adapter?

Q

Archived from groups: comp.sys.laptops (More info?)

That is right.

Archived from groups: comp.sys.laptops (More info?)

zhixin_han@hotmail.com wrote:
> That is right.

There was, I believe, a recent post on alt.sys.pc-clone.compaq by ben
myers, a long-time regular there, that some Compaq laptops have
non-standard PCMCIA sockets that do not supply enough power for many
card applications. You might repost this on that site.

Q