TheVeech wrote: > On Mon, 2007-04-30 at 16:12 +0100, alan c wrote: >> I bought a multi card reader (external USB) some time ago for use with >> CF cards which I was using at the time. I have recently begun using >> SD cards and the first ones were 16MB and 1GB SD. >> >> The 16MB has always been recognised immediately via the card reader >> and kubuntu (6.06, 6.10, 7.04) but the 1GB cards are only recognised >> intermittently. In fact I had one replaced at the retail shop. The >> replacement did not get recognised either(!) >> >> I now have additional 2GB sd cards and again they are sometimes >> recognised, but mostly not. >> >> Same happens in 'doze XP, intermittent and unpredictable. Sigh. >> >> I sort of conclude that the card reader is old technology and I need a >> newer one, which hopefully will handle larger SD better. (?) >> >> It is not a question about mounting the card, it is simply not seen as >> a card device, although the card reader is shown ok in >> lsusb. >> >> The cards all work ok in their respective units - a camera and DAB >> radios etc, and can be seen and downloaded via usb from their units, >> but not (usually) from the card reader. >> >> I would be very interested in comments - SD standards seem to be a bit >> of a nightmare according to wikipedia. >> -- >> alan cocks >> Kubuntu user#10391 > > Are you sure enough power's being supplied to the USB card reader? My > WD Passport HDD and 2GB pen drive won't get recognised on my laptop with > insufficient power, but my 256MB pen drive will.
Thanks, yes, one of the test machines is using an external powered usb hub - I also tried into the usb card directly on this, and a second machine. -- alan cocks Kubuntu user#10391 -- ubuntu-uk@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-uk https://wiki.kubuntu.org/UKTeam/