Usb
Linux 如何判斷伺服器是 USB2 還是 USB3
我有一台沒有文件的伺服器，我打算購買一個 USB 3 的 USB 儲存設備，現在我想知道伺服器是否有 USB2 或 USB3。
我試過
dmesg | grep usb [ 1.337094] usbcore: registered new interface driver usbfs [ 1.337101] usbcore: registered new interface driver hub [ 1.337120] usbcore: registered new device driver usb [ 1.545696] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 [ 1.545699] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 1.545702] usb usb1: Product: EHCI Host Controller [ 1.545704] usb usb1: Manufacturer: Linux 4.9.0-9-amd64 ehci_hcd [ 1.545707] usb usb1: SerialNumber: 0000:00:1a.0 [ 1.565669] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002 [ 1.565671] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 1.565674] usb usb2: Product: EHCI Host Controller [ 1.565676] usb usb2: Manufacturer: Linux 4.9.0-9-amd64 ehci_hcd [ 1.565678] usb usb2: SerialNumber: 0000:00:1d.0 [ 1.873567] usb 1-1: new high-speed USB device number 2 using ehci-pci [ 1.893527] usb 2-1: new high-speed USB device number 2 using ehci-pci [ 2.021963] usb 1-1: New USB device found, idVendor=8087, idProduct=8008 [ 2.021976] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 2.041898] usb 2-1: New USB device found, idVendor=8087, idProduct=8000 [ 2.041899] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 2.309587] usb 1-1.3: new high-speed USB device number 3 using ehci-pci [ 2.447522] usb 1-1.3: New USB device found, idVendor=0bb4, idProduct=2910 [ 2.447524] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 2.447525] usb 1-1.3: Product: portable SSD [ 2.447526] usb 1-1.3: Manufacturer: Intenso [ 2.447527] usb 1-1.3: SerialNumber: 07076349A77F4990 [ 2.449093] usb-storage 1-1.3:1.0: USB Mass Storage device detected [ 2.449841] scsi host5: usb-storage 1-1.3:1.0 [ 2.450040] usbcore: registered new interface driver usb-storage [ 2.450551] usbcore: registered new interface driver uas [ 2.525517] usb 1-1.5: new high-speed USB device number 4 using ehci-pci [ 2.635029] usb 1-1.5: New USB device found, idVendor=03f0, idProduct=2212 [ 2.635034] usb 1-1.5: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 2.635038] usb 1-1.5: Product: Officejet Pro L7600 [ 2.635041] usb 1-1.5: Manufacturer: HP [ 2.635044] usb 1-1.5: SerialNumber: MY768550M5 [ 2.635883] usb-storage 1-1.5:1.3: USB Mass Storage device detected [ 2.635995] scsi host6: usb-storage 1-1.5:1.3 [ 23.960989] usblp 1-1.5:1.1: usblp0: USB Bidirectional printer dev 4 if 1 alt 0 proto 2 vid 0x03F0 pid 0x2212 [ 23.961022] usbcore: registered new interface driver usblp我不太了解，但在我看來好像只有 USB1 和 USB2
如果有其他方法可以檢查？
從您的日誌看來，系統具有 EHCI USB 控制器。這意味著 USB2。試試**
grep**XHCI。我會使用提供的資訊**
dmidecode -t 2**來查找主機板的型號。然後你可能會在網上找到規格。
感謝 Krasi，我發現了 dmidecode 和選項：
dmidecode –type 連接器
所以我有 4 個 USB 3.0 埠
Handle 0x001F, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: PS2 Internal Connector Type: None External Reference Designator: Keyboard External Connector Type: PS/2 Port Type: Keyboard Port Handle 0x0020, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: PS2 Internal Connector Type: None External Reference Designator: PS2Mouse External Connector Type: PS/2 Port Type: Mouse Port Handle 0x0021, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: VGA Internal Connector Type: None External Reference Designator: VGA External Connector Type: DB-15 female Port Type: Video Port Handle 0x0022, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: DisplayPort Internal Connector Type: None External Reference Designator: DisplayPort External Connector Type: Other Port Type: Video Port Handle 0x0023, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: DisplayPort Internal Connector Type: None External Reference Designator: DisplayPort 2 External Connector Type: Other Port Type: Video Port Handle 0x0024, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: RJ45/USB Internal Connector Type: None External Reference Designator: LAN External Connector Type: RJ-45 Port Type: Network Port Handle 0x0025, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: IN/OUT Internal Connector Type: None External Reference Designator: Rear line in External Connector Type: Mini DIN Port Type: Audio Port Handle 0x0026, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: IN/OUT Internal Connector Type: None External Reference Designator: Rear line out External Connector Type: Mini DIN Port Type: Audio Port Handle 0x0027, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: FRONT AUD Internal Connector Type: None External Reference Designator: Front mic in External Connector Type: Mini DIN Port Type: Audio Port Handle 0x0028, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: FRONT AUD Internal Connector Type: None External Reference Designator: Front headphone/line out External Connector Type: Mini DIN Port Type: Audio Port Handle 0x0029, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: SPKR Internal Connector Type: Other External Reference Designator: Not Specified External Connector Type: None Port Type: Other Handle 0x002A, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: Not Specified Internal Connector Type: Proprietary External Reference Designator: Front USB Port 1 External Connector Type: Access Bus (USB) Port Type: USB Handle 0x002B, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: Not Specified Internal Connector Type: Proprietary External Reference Designator: Front USB Port 2 External Connector Type: Access Bus (USB) Port Type: USB Handle 0x002C, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: Not Specified Internal Connector Type: None External Reference Designator: Front USB 3.0 Port 1 External Connector Type: Access Bus (USB) Port Type: USB Handle 0x002D, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: Not Specified Internal Connector Type: None External Reference Designator: Front USB 3.0 Port 2 External Connector Type: Access Bus (USB) Port Type: USB Handle 0x002E, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: REAR USB Internal Connector Type: None External Reference Designator: Rear USB Port 1 External Connector Type: Access Bus (USB) Port Type: USB Handle 0x002F, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: REAR USB Internal Connector Type: None External Reference Designator: Rear USB Port 2 External Connector Type: Access Bus (USB) Port Type: USB Handle 0x0030, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: RJ45/USB Internal Connector Type: None External Reference Designator: Rear USB Port 3 External Connector Type: Access Bus (USB) Port Type: USB Handle 0x0031, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: RJ45/USB Internal Connector Type: None External Reference Designator: Rear USB Port 4 External Connector Type: Access Bus (USB) Port Type: USB Handle 0x0032, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: USB Internal Connector Type: None External Reference Designator: Rear USB 3.0 Port 1 External Connector Type: Access Bus (USB) Port Type: USB Handle 0x0033, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: USB Internal Connector Type: None External Reference Designator: Rear USB 3.0 Port 2 External Connector Type: Access Bus (USB) Port Type: USB Handle 0x0034, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: MEDIA 3.0 Internal Connector Type: Proprietary External Reference Designator: Not Specified External Connector Type: None Port Type: USB Handle 0x0035, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: SATA1 Internal Connector Type: SAS/SATA Plug Receptacle External Reference Designator: Not Specified External Connector Type: None Port Type: SATA Handle 0x0036, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: MSATA Internal Connector Type: SAS/SATA Plug Receptacle External Reference Designator: Not Specified External Connector Type: None Port Type: SATA Handle 0x0037, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: SATAPWR Internal Connector Type: Other External Reference Designator: Not Specified External Connector Type: None Port Type: Other Handle 0x0038, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: CHFAN Internal Connector Type: Other External Reference Designator: Not Specified External Connector Type: None Port Type: Other Handle 0x0039, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: CHFAN2 Internal Connector Type: Other External Reference Designator: Not Specified External Connector Type: None Port Type: Other Handle 0x003A, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: PB/LED (Power Button and Front LED) Internal Connector Type: Proprietary External Reference Designator: Not Specified External Connector Type: None Port Type: Other Handle 0x003E, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: HLCK Internal Connector Type: Other External Reference Designator: Not Specified External Connector Type: Other Port Type: Other Handle 0x003F, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: HSNR Internal Connector Type: Other External Reference Designator: Not Specified External Connector Type: Other Port Type: Other