Friday 11 January 2013

Acer Aspire SD slots on bootup

My jmicron SD card slots not being recognized by Linux Mint unless a card was in the slot when booted. And there were two slots.

early hacks

This post shows a way that works for me to re-scan and detect slots that now have a card in (although the card may need to be removed and re-inserted).

sudo echo 1 > /sys/bus/pci/rescan

Tricks here that use setpci don't work for me, failing to select the device if it isn't already detected, or the pciehp driver which doesn't seem to be present on my installation.


I got auto-detection to work by following these tips by adding the following files to /etc/modules


rebooting, and running: update-initramfs -u so that those modules would be built in to the ramdisk; and then rebooting again.

Nothing else was required; no use of pciehp, no edit of /etc/default/grub.conf and no creation of files in /etc/modprobe.d/

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