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查看“UbuntuHelp:ExpressCard”的源代码
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{{From|https://help.ubuntu.com/community/ExpressCard}} {{Languages|UbuntuHelp:ExpressCard}} == Introduction == Express Cards are like PCMIA cards but much faster.They come in two sizes one larger and one smaller. You can plug a card made for a smaller slot into a bigger slot but not vice versa. Currently there are few cards in this format. see http://en.wikipedia.org/wiki/Expresscard for more information. == Installation == The installation of a ExpressCard should be trivial. The default kernel has support for "PCI Express Hotplug driver". The kernel option ''CONFIG_HOTPLUG_PCI_PCIE'' should be set and you should have a module called ''pciehp'' in your system. === Kernel Module === <pre><nowiki> sudo modprobe pciehp pciehp_force=1 </nowiki></pre> === Troubleshooting === Load the module with the option "pciehp_force=1", otherwise some errors are generated, because the ACPI firmware lacks support for the _OSC function: <pre><nowiki> [ 290.828000] pciehp: HPC vendor_id 8086 device_id 27d0 ss_vid 0 ss_did 0 [ 290.828000] Evaluate _OSC Set fails. Status = 0x0005 [ 290.828000] Evaluate _OSC Set fails. Status = 0x0005 [ 290.828000] pciehp: Cannot get control of hotplug hardware for pci 0000:00:1c.0 [ 290.828000] pciehp: HPC vendor_id 8086 device_id 27d2 ss_vid 0 ss_did 0 [ 290.828000] Evaluate _OSC Set fails. Status = 0x0005 [ 290.828000] Evaluate _OSC Set fails. Status = 0x0005 [ 290.828000] pciehp: Cannot get control of hotplug hardware for pci 0000:00:1c.3 [ 290.828000] pciehp: PCI Express Hot Plug Controller Driver version: 0.4 </nowiki></pre> [[category:UbuntuHelp]]
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