This seems similar to bug 62995, which is closed, so I'll repost here some info I posted there about ENE chipsets.
I found this mailing list post saying that the 1524:0550 device ID has never worked, but 1524:0551 does work these days: http://osdir.com/ml/linux.drivers.sdhci.devel/2007-09/msg00026.html But someone seems to have had success in 2006 with a 1524:0550 card reader: http://marc.info/?l=linux-kernel&m=116758515323702&w=2 My Toshiba A70, which has never had its SD slot working under Linux has (lspci w/ and without -n): 02:04.0 CardBus bridge: ENE Technology Inc CB-710/2/4 Cardbus Controller 02:04.0 0607: 1524:1411 02:04.1 ... 02:04.2 SD Host controller: ENE Technology Inc ENE PCI Secure Digital Card Reader Controller (prog-if 01) 02:04.2 0805: 1524:0550 (prog-if 01) [ 35.794406] sdhci-pci 0000:02:04.2: SDHCI controller found [1524:0550] (rev 0) [ 35.794465] sdhci-pci 0000:02:04.2: PCI INT B -> GSI 17 (level, low) -> IRQ 17 [ 35.794606] mmc0: SDHCI controller on PCI [0000:02:04.2] using PIO Nothing happens at all when I insert an SD or MMC card (Hardy and Intrepid, and I think I've had Gutsy on it, but not older than that.) -- MMC/SD memory card reader does not work https://bugs.launchpad.net/bugs/99648 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs