0 apt install hdparm 1 df -hT 2 hdparm -Tt /dev/sda3 3 hdparm -Tt /dev/sda1 4 lsmod` 5 lsmod | grep ochi 6 lsmod | grep ochi 7 lsmod | grep och 8 lsmod | grep echi 9 dmesg 10 dmesg | grep USB 11 history root@dd-wrt-nxt:~# dmesg | grep USB bcma: bus0: Core 11 found: USB 2.0 (manuf 0x4BF, id 0x504, rev 0x01, class 0x0) bcma: bus0: Core 12 found: USB 3.0 (manuf 0x4BF, id 0x505, rev 0x01, class 0x0) ehci_hcd: USB 2.0 \'Enhanced\' Host Controller (EHCI) Driver bcm_ns_usb3 18105000.usb3-phy: Registered Broadcom Northstar USB 3.0 PHY driver ohci_hcd: USB 1.1 \'Open\' Host Controller (OHCI) Driver ohci-platform 18022000.ohci: new USB bus registered, assigned bus number 1 ehci-platform 18021000.ehci: new USB bus registered, assigned bus number 2 hub 1-0:1.0: USB hub found ehci-platform 18021000.ehci: USB 2.0 started, EHCI 1.00 hub 2-0:1.0: USB hub found xhci-hcd 18023000.xhci: new USB bus registered, assigned bus number 3 hub 3-0:1.0: USB hub found xhci-hcd 18023000.xhci: new USB bus registered, assigned bus number 4 hub 4-0:1.0: USB hub