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  1. lsusb -v
  2.  
  3. Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
  4. Device Descriptor:
  5. bLength 18
  6. bDescriptorType 1
  7. bcdUSB 2.00
  8. bDeviceClass 9 Hub
  9. bDeviceSubClass 0
  10. bDeviceProtocol 1 Single TT
  11. bMaxPacketSize0 64
  12. idVendor 0x8087 Intel Corp.
  13. idProduct 0x0024 Integrated Rate Matching Hub
  14. bcdDevice 0.00
  15. iManufacturer 0
  16. iProduct 0
  17. iSerial 0
  18. bNumConfigurations 1
  19. Configuration Descriptor:
  20. bLength 9
  21. bDescriptorType 2
  22. wTotalLength 25
  23. bNumInterfaces 1
  24. bConfigurationValue 1
  25. iConfiguration 0
  26. bmAttributes 0xe0
  27. Self Powered
  28. Remote Wakeup
  29. MaxPower 0mA
  30. Interface Descriptor:
  31. bLength 9
  32. bDescriptorType 4
  33. bInterfaceNumber 0
  34. bAlternateSetting 0
  35. bNumEndpoints 1
  36. bInterfaceClass 9 Hub
  37. bInterfaceSubClass 0
  38. bInterfaceProtocol 0 Full speed (or root) hub
  39. iInterface 0
  40. Endpoint Descriptor:
  41. bLength 7
  42. bDescriptorType 5
  43. bEndpointAddress 0x81 EP 1 IN
  44. bmAttributes 3
  45. Transfer Type Interrupt
  46. Synch Type None
  47. Usage Type Data
  48. wMaxPacketSize 0x0002 1x 2 bytes
  49. bInterval 12
  50. Hub Descriptor:
  51. bLength 11
  52. bDescriptorType 41
  53. nNbrPorts 8
  54. wHubCharacteristic 0x0009
  55. Per-port power switching
  56. Per-port overcurrent protection
  57. TT think time 8 FS bits
  58. bPwrOn2PwrGood 50 * 2 milli seconds
  59. bHubContrCurrent 0 milli Ampere
  60. DeviceRemovable 0x00 0x00
  61. PortPwrCtrlMask 0xff 0xff
  62. Hub Port Status:
  63. Port 1: 0000.0000
  64. Port 2: 0000.0000
  65. Port 3: 0000.0000
  66. Port 4: 0000.0000
  67. Port 5: 0000.0000
  68. Port 6: 0000.0000
  69. Port 7: 0000.0000
  70. Port 8: 0000.0000
  71. Device Qualifier (for other device speed):
  72. bLength 10
  73. bDescriptorType 6
  74. bcdUSB 2.00
  75. bDeviceClass 9 Hub
  76. bDeviceSubClass 0
  77. bDeviceProtocol 0 Full speed (or root) hub
  78. bMaxPacketSize0 64
  79. bNumConfigurations 1
  80. can't get debug descriptor: Resource temporarily unavailable
  81. Device Status: 0x0001
  82. Self Powered
  83.  
  84. Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  85. Device Descriptor:
  86. bLength 18
  87. bDescriptorType 1
  88. bcdUSB 2.00
  89. bDeviceClass 9 Hub
  90. bDeviceSubClass 0
  91. bDeviceProtocol 0 Full speed (or root) hub
  92. bMaxPacketSize0 64
  93. idVendor 0x1d6b Linux Foundation
  94. idProduct 0x0002 2.0 root hub
  95. bcdDevice 4.02
  96. iManufacturer 3 Linux 4.2.5-gentoo_2015-11-07 ehci_hcd
  97. iProduct 2 EHCI Host Controller
  98. iSerial 1 0000:00:1d.0
  99. bNumConfigurations 1
  100. Configuration Descriptor:
  101. bLength 9
  102. bDescriptorType 2
  103. wTotalLength 25
  104. bNumInterfaces 1
  105. bConfigurationValue 1
  106. iConfiguration 0
  107. bmAttributes 0xe0
  108. Self Powered
  109. Remote Wakeup
  110. MaxPower 0mA
  111. Interface Descriptor:
  112. bLength 9
  113. bDescriptorType 4
  114. bInterfaceNumber 0
  115. bAlternateSetting 0
  116. bNumEndpoints 1
  117. bInterfaceClass 9 Hub
  118. bInterfaceSubClass 0
  119. bInterfaceProtocol 0 Full speed (or root) hub
  120. iInterface 0
  121. Endpoint Descriptor:
  122. bLength 7
  123. bDescriptorType 5
  124. bEndpointAddress 0x81 EP 1 IN
  125. bmAttributes 3
  126. Transfer Type Interrupt
  127. Synch Type None
  128. Usage Type Data
  129. wMaxPacketSize 0x0004 1x 4 bytes
  130. bInterval 12
  131. Hub Descriptor:
  132. bLength 9
  133. bDescriptorType 41
  134. nNbrPorts 2
  135. wHubCharacteristic 0x000a
  136. No power switching (usb 1.0)
  137. Per-port overcurrent protection
  138. bPwrOn2PwrGood 10 * 2 milli seconds
  139. bHubContrCurrent 0 milli Ampere
  140. DeviceRemovable 0x00
  141. PortPwrCtrlMask 0xff
  142. Hub Port Status:
  143. Port 1: 0000.0507 highspeed power suspend enable connect
  144. Port 2: 0000.0100 power
  145. can't get device qualifier: Resource temporarily unavailable
  146. can't get debug descriptor: Resource temporarily unavailable
  147. Device Status: 0x0001
  148. Self Powered
  149.  
  150. Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
  151. Device Descriptor:
  152. bLength 18
  153. bDescriptorType 1
  154. bcdUSB 2.00
  155. bDeviceClass 9 Hub
  156. bDeviceSubClass 0
  157. bDeviceProtocol 1 Single TT
  158. bMaxPacketSize0 64
  159. idVendor 0x8087 Intel Corp.
  160. idProduct 0x0024 Integrated Rate Matching Hub
  161. bcdDevice 0.00
  162. iManufacturer 0
  163. iProduct 0
  164. iSerial 0
  165. bNumConfigurations 1
  166. Configuration Descriptor:
  167. bLength 9
  168. bDescriptorType 2
  169. wTotalLength 25
  170. bNumInterfaces 1
  171. bConfigurationValue 1
  172. iConfiguration 0
  173. bmAttributes 0xe0
  174. Self Powered
  175. Remote Wakeup
  176. MaxPower 0mA
  177. Interface Descriptor:
  178. bLength 9
  179. bDescriptorType 4
  180. bInterfaceNumber 0
  181. bAlternateSetting 0
  182. bNumEndpoints 1
  183. bInterfaceClass 9 Hub
  184. bInterfaceSubClass 0
  185. bInterfaceProtocol 0 Full speed (or root) hub
  186. iInterface 0
  187. Endpoint Descriptor:
  188. bLength 7
  189. bDescriptorType 5
  190. bEndpointAddress 0x81 EP 1 IN
  191. bmAttributes 3
  192. Transfer Type Interrupt
  193. Synch Type None
  194. Usage Type Data
  195. wMaxPacketSize 0x0001 1x 1 bytes
  196. bInterval 12
  197. Hub Descriptor:
  198. bLength 9
  199. bDescriptorType 41
  200. nNbrPorts 6
  201. wHubCharacteristic 0x0009
  202. Per-port power switching
  203. Per-port overcurrent protection
  204. TT think time 8 FS bits
  205. bPwrOn2PwrGood 50 * 2 milli seconds
  206. bHubContrCurrent 0 milli Ampere
  207. DeviceRemovable 0x00
  208. PortPwrCtrlMask 0xff
  209. Hub Port Status:
  210. Port 1: 0000.0000
  211. Port 2: 0000.0000
  212. Port 3: 0000.0000
  213. Port 4: 0000.0000
  214. Port 5: 0000.0000
  215. Port 6: 0000.0000
  216. Device Qualifier (for other device speed):
  217. bLength 10
  218. bDescriptorType 6
  219. bcdUSB 2.00
  220. bDeviceClass 9 Hub
  221. bDeviceSubClass 0
  222. bDeviceProtocol 0 Full speed (or root) hub
  223. bMaxPacketSize0 64
  224. bNumConfigurations 1
  225. can't get debug descriptor: Resource temporarily unavailable
  226. Device Status: 0x0001
  227. Self Powered
  228.  
  229. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  230. Device Descriptor:
  231. bLength 18
  232. bDescriptorType 1
  233. bcdUSB 2.00
  234. bDeviceClass 9 Hub
  235. bDeviceSubClass 0
  236. bDeviceProtocol 0 Full speed (or root) hub
  237. bMaxPacketSize0 64
  238. idVendor 0x1d6b Linux Foundation
  239. idProduct 0x0002 2.0 root hub
  240. bcdDevice 4.02
  241. iManufacturer 3 Linux 4.2.5-gentoo_2015-11-07 ehci_hcd
  242. iProduct 2 EHCI Host Controller
  243. iSerial 1 0000:00:1a.0
  244. bNumConfigurations 1
  245. Configuration Descriptor:
  246. bLength 9
  247. bDescriptorType 2
  248. wTotalLength 25
  249. bNumInterfaces 1
  250. bConfigurationValue 1
  251. iConfiguration 0
  252. bmAttributes 0xe0
  253. Self Powered
  254. Remote Wakeup
  255. MaxPower 0mA
  256. Interface Descriptor:
  257. bLength 9
  258. bDescriptorType 4
  259. bInterfaceNumber 0
  260. bAlternateSetting 0
  261. bNumEndpoints 1
  262. bInterfaceClass 9 Hub
  263. bInterfaceSubClass 0
  264. bInterfaceProtocol 0 Full speed (or root) hub
  265. iInterface 0
  266. Endpoint Descriptor:
  267. bLength 7
  268. bDescriptorType 5
  269. bEndpointAddress 0x81 EP 1 IN
  270. bmAttributes 3
  271. Transfer Type Interrupt
  272. Synch Type None
  273. Usage Type Data
  274. wMaxPacketSize 0x0004 1x 4 bytes
  275. bInterval 12
  276. Hub Descriptor:
  277. bLength 9
  278. bDescriptorType 41
  279. nNbrPorts 2
  280. wHubCharacteristic 0x000a
  281. No power switching (usb 1.0)
  282. Per-port overcurrent protection
  283. bPwrOn2PwrGood 10 * 2 milli seconds
  284. bHubContrCurrent 0 milli Ampere
  285. DeviceRemovable 0x00
  286. PortPwrCtrlMask 0xff
  287. Hub Port Status:
  288. Port 1: 0000.0507 highspeed power suspend enable connect
  289. Port 2: 0000.0100 power
  290. can't get device qualifier: Resource temporarily unavailable
  291. can't get debug descriptor: Resource temporarily unavailable
  292. Device Status: 0x0001
  293. Self Powered
  294.  
  295. Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
  296. Device Descriptor:
  297. bLength 18
  298. bDescriptorType 1
  299. bcdUSB 3.00
  300. bDeviceClass 9 Hub
  301. bDeviceSubClass 0
  302. bDeviceProtocol 3
  303. bMaxPacketSize0 9
  304. idVendor 0x1d6b Linux Foundation
  305. idProduct 0x0003 3.0 root hub
  306. bcdDevice 4.02
  307. iManufacturer 3 Linux 4.2.5-gentoo_2015-11-07 xhci-hcd
  308. iProduct 2 xHCI Host Controller
  309. iSerial 1 0000:00:14.0
  310. bNumConfigurations 1
  311. Configuration Descriptor:
  312. bLength 9
  313. bDescriptorType 2
  314. wTotalLength 31
  315. bNumInterfaces 1
  316. bConfigurationValue 1
  317. iConfiguration 0
  318. bmAttributes 0xe0
  319. Self Powered
  320. Remote Wakeup
  321. MaxPower 0mA
  322. Interface Descriptor:
  323. bLength 9
  324. bDescriptorType 4
  325. bInterfaceNumber 0
  326. bAlternateSetting 0
  327. bNumEndpoints 1
  328. bInterfaceClass 9 Hub
  329. bInterfaceSubClass 0
  330. bInterfaceProtocol 0 Full speed (or root) hub
  331. iInterface 0
  332. Endpoint Descriptor:
  333. bLength 7
  334. bDescriptorType 5
  335. bEndpointAddress 0x81 EP 1 IN
  336. bmAttributes 3
  337. Transfer Type Interrupt
  338. Synch Type None
  339. Usage Type Data
  340. wMaxPacketSize 0x0004 1x 4 bytes
  341. bInterval 12
  342. bMaxBurst 0
  343. Hub Descriptor:
  344. bLength 12
  345. bDescriptorType 42
  346. nNbrPorts 4
  347. wHubCharacteristic 0x000a
  348. No power switching (usb 1.0)
  349. Per-port overcurrent protection
  350. bPwrOn2PwrGood 10 * 2 milli seconds
  351. bHubContrCurrent 0 milli Ampere
  352. bHubDecLat 0.0 micro seconds
  353. wHubDelay 0 nano seconds
  354. DeviceRemovable 0x00
  355. Hub Port Status:
  356. Port 1: 0000.02a0 5Gbps power Rx.Detect
  357. Port 2: 0000.02a0 5Gbps power Rx.Detect
  358. Port 3: 0000.02a0 5Gbps power Rx.Detect
  359. Port 4: 0000.02a0 5Gbps power Rx.Detect
  360. Binary Object Store Descriptor:
  361. bLength 5
  362. bDescriptorType 15
  363. wTotalLength 15
  364. bNumDeviceCaps 1
  365. SuperSpeed USB Device Capability:
  366. bLength 10
  367. bDescriptorType 16
  368. bDevCapabilityType 3
  369. bmAttributes 0x00
  370. wSpeedsSupported 0x0008
  371. Device can operate at SuperSpeed (5Gbps)
  372. bFunctionalitySupport 3
  373. Lowest fully-functional device speed is SuperSpeed (5Gbps)
  374. bU1DevExitLat 10 micro seconds
  375. bU2DevExitLat 512 micro seconds
  376. can't get debug descriptor: Resource temporarily unavailable
  377. Device Status: 0x0001
  378. Self Powered
  379.  
  380. Bus 003 Device 005: ID 152d:1567 JMicron Technology Corp. / JMicron USA Technology Corp.
  381. Device Descriptor:
  382. bLength 18
  383. bDescriptorType 1
  384. bcdUSB 2.10
  385. bDeviceClass 0
  386. bDeviceSubClass 0
  387. bDeviceProtocol 0
  388. bMaxPacketSize0 64
  389. idVendor 0x152d JMicron Technology Corp. / JMicron USA Technology Corp.
  390. idProduct 0x1567
  391. bcdDevice 2.23
  392. iManufacturer 1 FinalLap
  393. iProduct 2 Go To Final Lap
  394. iSerial 3 DB987654321116A
  395. bNumConfigurations 1
  396. Configuration Descriptor:
  397. bLength 9
  398. bDescriptorType 2
  399. wTotalLength 85
  400. bNumInterfaces 1
  401. bConfigurationValue 1
  402. iConfiguration 0
  403. bmAttributes 0x80
  404. (Bus Powered)
  405. MaxPower 500mA
  406. Interface Descriptor:
  407. bLength 9
  408. bDescriptorType 4
  409. bInterfaceNumber 0
  410. bAlternateSetting 0
  411. bNumEndpoints 2
  412. bInterfaceClass 8 Mass Storage
  413. bInterfaceSubClass 6 SCSI
  414. bInterfaceProtocol 80 Bulk-Only
  415. iInterface 0
  416. Endpoint Descriptor:
  417. bLength 7
  418. bDescriptorType 5
  419. bEndpointAddress 0x81 EP 1 IN
  420. bmAttributes 2
  421. Transfer Type Bulk
  422. Synch Type None
  423. Usage Type Data
  424. wMaxPacketSize 0x0200 1x 512 bytes
  425. bInterval 0
  426. Endpoint Descriptor:
  427. bLength 7
  428. bDescriptorType 5
  429. bEndpointAddress 0x02 EP 2 OUT
  430. bmAttributes 2
  431. Transfer Type Bulk
  432. Synch Type None
  433. Usage Type Data
  434. wMaxPacketSize 0x0200 1x 512 bytes
  435. bInterval 0
  436. Interface Descriptor:
  437. bLength 9
  438. bDescriptorType 4
  439. bInterfaceNumber 0
  440. bAlternateSetting 1
  441. bNumEndpoints 4
  442. bInterfaceClass 8 Mass Storage
  443. bInterfaceSubClass 6 SCSI
  444. bInterfaceProtocol 98
  445. iInterface 10 MSC USB Attached SCSI
  446. Endpoint Descriptor:
  447. bLength 7
  448. bDescriptorType 5
  449. bEndpointAddress 0x01 EP 1 OUT
  450. bmAttributes 2
  451. Transfer Type Bulk
  452. Synch Type None
  453. Usage Type Data
  454. wMaxPacketSize 0x0200 1x 512 bytes
  455. bInterval 0
  456. Command pipe (0x01)
  457. Endpoint Descriptor:
  458. bLength 7
  459. bDescriptorType 5
  460. bEndpointAddress 0x82 EP 2 IN
  461. bmAttributes 2
  462. Transfer Type Bulk
  463. Synch Type None
  464. Usage Type Data
  465. wMaxPacketSize 0x0200 1x 512 bytes
  466. bInterval 0
  467. Status pipe (0x02)
  468. Endpoint Descriptor:
  469. bLength 7
  470. bDescriptorType 5
  471. bEndpointAddress 0x83 EP 3 IN
  472. bmAttributes 2
  473. Transfer Type Bulk
  474. Synch Type None
  475. Usage Type Data
  476. wMaxPacketSize 0x0200 1x 512 bytes
  477. bInterval 0
  478. Data-in pipe (0x03)
  479. Endpoint Descriptor:
  480. bLength 7
  481. bDescriptorType 5
  482. bEndpointAddress 0x04 EP 4 OUT
  483. bmAttributes 2
  484. Transfer Type Bulk
  485. Synch Type None
  486. Usage Type Data
  487. wMaxPacketSize 0x0200 1x 512 bytes
  488. bInterval 0
  489. Data-out pipe (0x04)
  490. Binary Object Store Descriptor:
  491. bLength 5
  492. bDescriptorType 15
  493. wTotalLength 22
  494. bNumDeviceCaps 2
  495. USB 2.0 Extension Device Capability:
  496. bLength 7
  497. bDescriptorType 16
  498. bDevCapabilityType 2
  499. bmAttributes 0x00000f0e
  500. BESL Link Power Management (LPM) Supported
  501. BESL value 3840 us
  502. SuperSpeed USB Device Capability:
  503. bLength 10
  504. bDescriptorType 16
  505. bDevCapabilityType 3
  506. bmAttributes 0x00
  507. wSpeedsSupported 0x000e
  508. Device can operate at Full Speed (12Mbps)
  509. Device can operate at High Speed (480Mbps)
  510. Device can operate at SuperSpeed (5Gbps)
  511. bFunctionalitySupport 1
  512. Lowest fully-functional device speed is Full Speed (12Mbps)
  513. bU1DevExitLat 10 micro seconds
  514. bU2DevExitLat 32 micro seconds
  515. can't get debug descriptor: Resource temporarily unavailable
  516. Device Status: 0x0000
  517. (Bus Powered)
  518.  
  519. Bus 003 Device 002: ID 04d9:a070 Holtek Semiconductor, Inc.
  520. Device Descriptor:
  521. bLength 18
  522. bDescriptorType 1
  523. bcdUSB 2.00
  524. bDeviceClass 0
  525. bDeviceSubClass 0
  526. bDeviceProtocol 0
  527. bMaxPacketSize0 8
  528. idVendor 0x04d9 Holtek Semiconductor, Inc.
  529. idProduct 0xa070
  530. bcdDevice 1.10
  531. iManufacturer 1 G-SPY
  532. iProduct 2 USB Gaming Mouse
  533. iSerial 0
  534. bNumConfigurations 1
  535. Configuration Descriptor:
  536. bLength 9
  537. bDescriptorType 2
  538. wTotalLength 84
  539. bNumInterfaces 3
  540. bConfigurationValue 1
  541. iConfiguration 0
  542. bmAttributes 0xa0
  543. (Bus Powered)
  544. Remote Wakeup
  545. MaxPower 100mA
  546. Interface Descriptor:
  547. bLength 9
  548. bDescriptorType 4
  549. bInterfaceNumber 0
  550. bAlternateSetting 0
  551. bNumEndpoints 1
  552. bInterfaceClass 3 Human Interface Device
  553. bInterfaceSubClass 1 Boot Interface Subclass
  554. bInterfaceProtocol 1 Keyboard
  555. iInterface 0
  556. HID Device Descriptor:
  557. bLength 9
  558. bDescriptorType 33
  559. bcdHID 1.10
  560. bCountryCode 0 Not supported
  561. bNumDescriptors 1
  562. bDescriptorType 34 Report
  563. wDescriptorLength 63
  564. Report Descriptors:
  565. ** UNAVAILABLE **
  566. Endpoint Descriptor:
  567. bLength 7
  568. bDescriptorType 5
  569. bEndpointAddress 0x81 EP 1 IN
  570. bmAttributes 3
  571. Transfer Type Interrupt
  572. Synch Type None
  573. Usage Type Data
  574. wMaxPacketSize 0x0008 1x 8 bytes
  575. bInterval 1
  576. Interface Descriptor:
  577. bLength 9
  578. bDescriptorType 4
  579. bInterfaceNumber 1
  580. bAlternateSetting 0
  581. bNumEndpoints 1
  582. bInterfaceClass 3 Human Interface Device
  583. bInterfaceSubClass 0
  584. bInterfaceProtocol 2 Mouse
  585. iInterface 0
  586. HID Device Descriptor:
  587. bLength 9
  588. bDescriptorType 33
  589. bcdHID 1.10
  590. bCountryCode 0 Not supported
  591. bNumDescriptors 1
  592. bDescriptorType 34 Report
  593. wDescriptorLength 166
  594. Report Descriptors:
  595. ** UNAVAILABLE **
  596. Endpoint Descriptor:
  597. bLength 7
  598. bDescriptorType 5
  599. bEndpointAddress 0x82 EP 2 IN
  600. bmAttributes 3
  601. Transfer Type Interrupt
  602. Synch Type None
  603. Usage Type Data
  604. wMaxPacketSize 0x0008 1x 8 bytes
  605. bInterval 1
  606. Interface Descriptor:
  607. bLength 9
  608. bDescriptorType 4
  609. bInterfaceNumber 2
  610. bAlternateSetting 0
  611. bNumEndpoints 1
  612. bInterfaceClass 3 Human Interface Device
  613. bInterfaceSubClass 0
  614. bInterfaceProtocol 0
  615. iInterface 0
  616. HID Device Descriptor:
  617. bLength 9
  618. bDescriptorType 33
  619. bcdHID 1.10
  620. bCountryCode 0 Not supported
  621. bNumDescriptors 1
  622. bDescriptorType 34 Report
  623. wDescriptorLength 26
  624. Report Descriptors:
  625. ** UNAVAILABLE **
  626. Endpoint Descriptor:
  627. bLength 7
  628. bDescriptorType 5
  629. bEndpointAddress 0x83 EP 3 IN
  630. bmAttributes 3
  631. Transfer Type Interrupt
  632. Synch Type None
  633. Usage Type Data
  634. wMaxPacketSize 0x0008 1x 8 bytes
  635. bInterval 8
  636. can't get device qualifier: Resource temporarily unavailable
  637. can't get debug descriptor: Resource temporarily unavailable
  638. Device Status: 0x0000
  639. (Bus Powered)
  640.  
  641. Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  642. Device Descriptor:
  643. bLength 18
  644. bDescriptorType 1
  645. bcdUSB 2.00
  646. bDeviceClass 9 Hub
  647. bDeviceSubClass 0
  648. bDeviceProtocol 1 Single TT
  649. bMaxPacketSize0 64
  650. idVendor 0x1d6b Linux Foundation
  651. idProduct 0x0002 2.0 root hub
  652. bcdDevice 4.02
  653. iManufacturer 3 Linux 4.2.5-gentoo_2015-11-07 xhci-hcd
  654. iProduct 2 xHCI Host Controller
  655. iSerial 1 0000:00:14.0
  656. bNumConfigurations 1
  657. Configuration Descriptor:
  658. bLength 9
  659. bDescriptorType 2
  660. wTotalLength 25
  661. bNumInterfaces 1
  662. bConfigurationValue 1
  663. iConfiguration 0
  664. bmAttributes 0xe0
  665. Self Powered
  666. Remote Wakeup
  667. MaxPower 0mA
  668. Interface Descriptor:
  669. bLength 9
  670. bDescriptorType 4
  671. bInterfaceNumber 0
  672. bAlternateSetting 0
  673. bNumEndpoints 1
  674. bInterfaceClass 9 Hub
  675. bInterfaceSubClass 0
  676. bInterfaceProtocol 0 Full speed (or root) hub
  677. iInterface 0
  678. Endpoint Descriptor:
  679. bLength 7
  680. bDescriptorType 5
  681. bEndpointAddress 0x81 EP 1 IN
  682. bmAttributes 3
  683. Transfer Type Interrupt
  684. Synch Type None
  685. Usage Type Data
  686. wMaxPacketSize 0x0004 1x 4 bytes
  687. bInterval 12
  688. Hub Descriptor:
  689. bLength 9
  690. bDescriptorType 41
  691. nNbrPorts 4
  692. wHubCharacteristic 0x000a
  693. No power switching (usb 1.0)
  694. Per-port overcurrent protection
  695. TT think time 8 FS bits
  696. bPwrOn2PwrGood 10 * 2 milli seconds
  697. bHubContrCurrent 0 milli Ampere
  698. DeviceRemovable 0x00
  699. PortPwrCtrlMask 0xff
  700. Hub Port Status:
  701. Port 1: 0000.0100 power
  702. Port 2: 0000.0100 power
  703. Port 3: 0000.0103 power enable connect
  704. Port 4: 0000.0503 highspeed power enable connect
  705. can't get device qualifier: Resource temporarily unavailable
  706. can't get debug descriptor: Resource temporarily unavailable
  707. Device Status: 0x0001
  708. Self Powered
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