As per http://www.linlap.com/wiki/acer+aspire+5930 pciehp is required to make the card reader work. The module is not available in linux-image-2.6.28-11-generic (2.6.28-11.42). Could you please include it? See bug https://bugs.launchpad.net/ubuntu/+source/linux/+bug/258446 Regards, maykel