查看scsi卡是pci-e还是pci-x

$ sudo dmidecode| grep "System Slot Information" -A 8
System Slot Information
        Designation: PCI1
        Type: x8 PCI Express
        Current Usage: Available
        Length: Long
        Characteristics:
                3.3 V is provided
                PME signal is supported

--
System Slot Information
        Designation: PCI2
        Type: x8 PCI Express
        Current Usage: Available
        Length: Long
        Characteristics:
                3.3 V is provided
                PME signal is supported

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