如何找出主板支持的PCI版本(2.0,2.3) – 即使是没有连接任何卡的插槽也是如此.
lspci -vvv似乎没有显示没有卡的PCI插槽的信息.
解决方法
你可以试试dmidecode.我没有很多带有标准PCI插槽的服务器,但输出如下所示.提供了无人填充端口的信息:
Handle 0x0901,DMI type 9,13 bytes System Slot Information Designation: PCI Slot 1 Type: 64-bit PCI-X Current Usage: Available Length: Long ID: 1 Characteristics: 3.3 V is provided Handle 0x0902,13 bytes System Slot Information Designation: PCI Slot 2 Type: 64-bit PCI-X Current Usage: In Use Length: Long ID: 2 Characteristics: 3.3 V is provided Handle 0x0903,13 bytes System Slot Information Designation: PCI-E Slot 3 Type: x4 PCI Express Current Usage: Available Length: Other ID: 3 Characteristics: 3.3 V is provided Handle 0x0904,13 bytes System Slot Information Designation: PCI-E Slot 4 Type: x4 PCI Express Current Usage: In Use Length: Other ID: 4 Characteristics: 3.3 V is provided
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