Probe #0d57ba971f of ASRock H470M-HVS Desktop Computer
Log: lsusb
Protocol spec without prior Class and Subclass spec at line 23179
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 3.10
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 3
bMaxPacketSize0 9
idVendor 0x1d6b Linux Foundation
idProduct 0x0003 3.0 root hub
bcdDevice 5.10
iManufacturer 3 Linux 5.10.0-7-amd64 xhci-hcd
iProduct 2 xHCI Host Controller
iSerial 1 ...
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 31
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0 Full speed (or root) hub
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0004 1x 4 bytes
bInterval 12
bMaxBurst 0
Hub Descriptor:
bLength 96
bDescriptorType 88
nNbrPorts 134
wHubCharacteristic 0xfcbe
No power switching (usb 1.0)
Compound device
No overcurrent protection
bPwrOn2PwrGood 127 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
bHubDecLat 0.0 micro seconds
wHubDelay 0 nano seconds
DeviceRemovable 0x82 0x15 0xe0
Hub Port Status:
Port 1: 0000.02a0 lowspeed
Port 2: 0000.02a0 lowspeed
Port 3: 0000.02a0 lowspeed
Port 4: 0000.02a0 lowspeed
Port 5: 0000.02a0 lowspeed
Port 6: 0000.02a0 lowspeed
Port 7: 0000.02a0 lowspeed
Port 8: 0000.02a0 lowspeed
Port 9: 0000.02a0 lowspeed
Port 10: 0000.02a0 lowspeed
Port 11: 0000.02a0 lowspeed
Port 12: 0000.02a0 lowspeed
Port 13: 0000.02a0 lowspeed
Port 14: 0000.02a0 lowspeed
Port 15: 0000.02a0 lowspeed
Port 16: 0000.02a0 lowspeed
Port 17: 0000.02a0 lowspeed
Port 18: 0000.02a0 lowspeed
Port 19: 0000.02a0 lowspeed
Port 20: 0000.02a0 lowspeed
Port 21: 0000.02a0 lowspeed
Port 22: 0000.02a0 lowspeed
Port 23: 0000.02a0 lowspeed
Port 24: 0000.02a0 lowspeed
Port 25: 0000.02a0 lowspeed
Port 26: 0000.02a0 lowspeed
Port 27: 0000.02a0 lowspeed
Port 28: 0000.02a0 lowspeed
Port 29: 0000.02a0 lowspeed
Port 30: 0000.02a0 lowspeed
Port 31: 0000.02a0 lowspeed
Port 32: 0000.02a0 lowspeed
Port 33: 0000.02a0 lowspeed
Port 34: 0000.02a0 lowspeed
Port 35: 0000.02a0 lowspeed
Port 36: 0000.02a0 lowspeed
Port 37: 0000.02a0 lowspeed
Port 38: 0000.02a0 lowspeed
Port 39: 0000.02a0 lowspeed
Port 40: 0000.02a0 lowspeed
Port 41: 0000.02a0 lowspeed
Port 42: 0000.02a0 lowspeed
Port 43: 0000.02a0 lowspeed
Port 44: 0000.02a0 lowspeed
Port 45: 0000.02a0 lowspeed
Port 46: 0000.02a0 lowspeed
Port 47: 0000.02a0 lowspeed
Port 48: 0000.02a0 lowspeed
Port 49: 0000.02a0 lowspeed
Port 50: 0000.02a0 lowspeed
Port 51: 0000.02a0 lowspeed
Port 52: 0000.02a0 lowspeed
Port 53: 0000.02a0 lowspeed
Port 54: 0000.02a0 lowspeed
Port 55: 0000.02a0 lowspeed
Port 56: 0000.02a0 lowspeed
Port 57: 0000.02a0 lowspeed
Port 58: 0000.02a0 lowspeed
Port 59: 0000.02a0 lowspeed
Port 60: 0000.02a0 lowspeed
Port 61: 0000.02a0 lowspeed
Port 62: 0000.02a0 lowspeed
Port 63: 0000.02a0 lowspeed
Port 64: 0000.02a0 lowspeed
Port 65: 0000.02a0 lowspeed
Port 66: 0000FIXME: alloc bigger buffer for device capability descriptors
.02a0 lowspeed
Port 67: 0000.02a0 lowspeed
Port 68: 0000.02a0 lowspeed
Port 69: 0000.02a0 lowspeed
Port 70: 0000.02a0 lowspeed
Port 71: 0000.02a0 lowspeed
Port 72: 0000.02a0 lowspeed
Port 73: 0000.02a0 lowspeed
Port 74: 0000.02a0 lowspeed
Port 75: 0000.02a0 lowspeed
Port 76: 0000.02a0 lowspeed
Port 77: 0000.02a0 lowspeed
Port 78: 0000.02a0 lowspeed
Port 79: 0000.02a0 lowspeed
Port 80: 0000.02a0 lowspeed
Port 81: 0000.02a0 lowspeed
Port 82: 0000.02a0 lowspeed
Port 83: 0000.02a0 lowspeed
Port 84: 0000.02a0 lowspeed
Port 85: 0000.02a0 lowspeed
Port 86: 0000.02a0 lowspeed
Port 87: 0000.02a0 lowspeed
Port 88: 0000.02a0 lowspeed
Port 89: 0000.02a0 lowspeed
Port 90: 0000.02a0 lowspeed
Port 91: 0000.02a0 lowspeed
Port 92: 0000.02a0 lowspeed
Port 93: 0000.02a0 lowspeed
Port 94: 0000.02a0 lowspeed
Port 95: 0000.02a0 lowspeed
Port 96: 0000.02a0 lowspeed
Port 97: 0000.02a0 lowspeed
Port 98: 0000.02a0 lowspeed
Port 99: 0000.02a0 lowspeed
Port 100: 0000.02a0 lowspeed
Port 101: 0000.02a0 lowspeed
Port 102: 0000.02a0 lowspeed
Port 103: 0000.02a0 lowspeed
Port 104: 0000.02a0 lowspeed
Port 105: 0000.02a0 lowspeed
Port 106: 0000.02a0 lowspeed
Port 107: 0000.02a0 lowspeed
Port 108: 0000.02a0 lowspeed
Port 109: 0000.02a0 lowspeed
Port 110: 0000.02a0 lowspeed
Port 111: 0000.02a0 lowspeed
Port 112: 0000.02a0 lowspeed
Port 113: 0000.02a0 lowspeed
Port 114: 0000.02a0 lowspeed
Port 115: 0000.02a0 lowspeed
Port 116: 0000.02a0 lowspeed
Port 117: 0000.02a0 lowspeed
Port 118: 0000.02a0 lowspeed
Port 119: 0000.02a0 lowspeed
Port 120: 0000.02a0 lowspeed
Port 121: 0000.02a0 lowspeed
Port 122: 0000.02a0 lowspeed
Port 123: 0000.02a0 lowspeed
Port 124: 0000.02a0 lowspeed
Port 125: 0000.02a0 lowspeed
Port 126: 0000.02a0 lowspeed
Port 127: 0000.02a0 lowspeed
Port 128: 0000.02a0 lowspeed
Port 129: 0000.02a0 lowspeed
Port 130: 0000.02a0 lowspeed
Port 131: 0000.02a0 lowspeed
Port 132: 0000.02a0 lowspeed
Port 133: 0000.02a0 lowspeed
Port 134: 0000.02a0 lowspeed
Binary Object Store Descriptor:
bLength 5
bDescriptorType 15
wTotalLength 91
bNumDeviceCaps 2
Device Status: 0x0001
Self Powered
Bus 001 Device 003: ID 10c4:8108 Silicon Labs
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x10c4 Silicon Labs
idProduct 0x8108
bcdDevice 0.00
iManufacturer 1 YSPRINGTECH
iProduct 2 USB OPTICAL MOUSE
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 34
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xa0
(Bus Powered)
Remote Wakeup
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 1 Boot Interface Subclass
bInterfaceProtocol 2 Mouse
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.11
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 64
Report Descriptors:
** UNAVAILABLE **
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 10
Device Status: 0x0000
(Bus Powered)
Bus 001 Device 002: ID 04f2:0833 Chicony Electronics Co., Ltd KU-0833 Keyboard
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x04f2 Chicony Electronics Co., Ltd
idProduct 0x0833 KU-0833 Keyboard
bcdDevice 1.10
iManufacturer 1 CHICONY
iProduct 2 USB Keyboard
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 59
bNumInterfaces 2
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xa0
(Bus Powered)
Remote Wakeup
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 1 Boot Interface Subclass
bInterfaceProtocol 1 Keyboard
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.11
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 54
Report Descriptors:
** UNAVAILABLE **
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 10
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 0 No Subclass
bInterfaceProtocol 0 None
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.11
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 139
Report Descriptors:
** UNAVAILABLE **
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0004 1x 4 bytes
bInterval 10
Device Status: 0x0000
(Bus Powered)
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 1 Single TT
bMaxPacketSize0 64
idVendor 0x1d6b Linux Foundation
idProduct 0x0002 2.0 root hub
bcdDevice 5.10
iManufacturer 3 Linux 5.10.0-7-amd64 xhci-hcd
iProduct 2 xHCI Host Controller
iSerial 1 ...
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0 Full speed (or root) hub
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0004 1x 4 bytes
bInterval 12
Hub Descriptor:
bLength 13
bDescriptorType 41
nNbrPorts 16
wHubCharacteristic 0x000a
No power switching (usb 1.0)
Per-port overcurrent protection
TT think time 8 FS bits
bPwrOn2PwrGood 10 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
DeviceRemovable 0x00 0x00 0x00
PortPwrCtrlMask 0xff 0xff 0xff
Hub Port Status:
Port 1: 0000.0303 lowspeed power enable connect
Port 2: 0000.0303 lowspeed power enable connect
Port 3: 0000.0100 power
Port 4: 0000.0100 power
Port 5: 0000.0100 power
Port 6: 0000.0100 power
Port 7: 0000.0100 power
Port 8: 0000.0100 power
Port 9: 0000.0100 power
Port 10: 0000.0100 power
Port 11: 0000.0100 power
Port 12: 0000.0100 power
Port 13: 0000.0100 power
Port 14: 0000.0100 power
Port 15: 0000.0100 power
Port 16: 0000.0100 power
Device Status: 0x0001
Self Powered
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 3.10
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 3
bMaxPacketSize0 9
idVendor 0x1d6b Linux Foundation
idProduct 0x0003 3.0 root hub
bcdDevice 5.10
iManufacturer 3 Linux 5.10.0-7-amd64 xhci-hcd
iProduct 2 xHCI Host Controller
iSerial 1 ...
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 31
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0 Full speed (or root) hub
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0004 1x 4 bytes
bInterval 12
bMaxBurst 0
Hub Descriptor:
bLength 96
bDescriptorType 88
nNbrPorts 134
wHubCharacteristic 0xfcbe
No power switching (usb 1.0)
Compound device
No overcurrent protection
bPwrOn2PwrGood 127 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
bHubDecLat 0.0 micro seconds
wHubDelay 0 nano seconds
DeviceRemovable 0x82 0x15 0xe0
Hub Port Status:
Port 1: 0000.02a0 lowspeed
Port 2: 0000.02a0 lowspeed
Port 3: 0000.02a0 lowspeed
Port 4: 0000.02a0 lowspeed
Port 5: 0000.02a0 lowspeed
Port 6: 0000.02a0 lowspeed
Port 7: 0000.02a0 lowspeed
Port 8: 0000.02a0 lowspeed
Port 9: 0000.02a0 lowspeed
Port 10: 0000.02a0 lowspeed
Port 11: 0000.02a0 lowspeed
Port 12: 0000.02a0 lowspeed
Port 13: 0000.02a0 lowspeed
Port 14: 0000.02a0 lowspeed
Port 15: 0000.02a0 lowspeed
Port 16: 0000.02a0 lowspeed
Port 17: 0000.02a0 lowspeed
Port 18: 0000.02a0 lowspeed
Port 19: 0000.02a0 lowspeed
Port 20: 0000.02a0 lowspeed
Port 21: 0000.02a0 lowspeed
Port 22: 0000.02a0 lowspeed
Port 23: 0000.02a0 lowspeed
Port 24: 0000.02a0 lowspeed
Port 25: 0000.02a0 lowspeed
Port 26: 0000.02a0 lowspeed
Port 27: 0000.02a0 lowspeed
Port 28: 0000.02a0 lowspeed
Port 29: 0000.02a0 lowspeed
Port 30: 0000.02a0 lowspeed
Port 31: 0000.02a0 lowspeed
Port 32: 0000.02a0 lowspeed
Port 33: 0000.02a0 lowspeed
Port 34: 0000.02a0 lowspeed
Port 35: 0000.02a0 lowspeed
Port 36: 0000.02a0 lowspeed
Port 37: 0000.02a0 lowspeed
Port 38: 0000.02a0 lowspeed
Port 39: 0000.02a0 lowspeed
Port 40: 0000.02a0 lowspeed
Port 41: 0000.02a0 lowspeed
Port 42: 0000.02a0 lowspeed
Port 43: 0000.02a0 lowspeed
Port 44: 0000.02a0 lowspeed
Port 45: 0000.02a0 lowspeed
Port 46: 0000.02a0 lowspeed
Port 47: 0000.02a0 lowspeed
Port 48: 0000.02a0 lowspeed
Port 49: 0000.02a0 lowspeed
Port 50: 0000.02a0 lowspeed
Port 51: 0000.02a0 lowspeed
Port 52: 0000.02a0 lowspeed
Port 53: 0000.02a0 lowspeed
Port 54: 0000.02a0 lowspeed
Port 55: 0000.02a0 lowspeed
Port 56: 0000.02a0 lowspeed
Port 57: 0000.02a0 lowspeed
Port 58: 0000.02a0 lowspeed
Port 59: 0000.02a0 lowspeed
Port 60: 0000.02a0 lowspeed
Port 61: 0000.02a0 lowspeed
Port 62: 0000.02a0 lowspeed
Port 63: 0000.02a0 lowspeed
Port 64: 0000.02a0 lowspeed
Port 65: 0000.02a0 lowspeed
Port 66: 0000.02a0 lowspeed
Port 67: 0000.02a0 lowspeed
Port 68: 0000.02a0 lowspeed
Port 69: 0000.02a0 lowspeed
Port 70: 0000.02a0 lowspeed
Port 71: 0000.02a0 lowspeed
Port 72: 0000.02a0 lowspeed
Port 73: 0000.02a0 lowspeed
Port 74: 0000.02a0 lowspeed
Port 75: 0000.02a0 lowspeed
Port 76: 0000.02a0 lowspeed
Port 77: 0000.02a0 lowspeed
Port 78: 0000.02a0 lowspeed
Port 79: 0000.02a0 lowspeed
Port 80: 0000.02a0 lowspeed
Port 81: 0000.02a0 lowspeed
Port 82: 0000.02a0 lowspeed
Port 83: 0000.02a0 lowspeed
Port 84: 0000.02a0 lowspeed
Port 85: 0000.02a0 lowspeed
Port 86: 0000.02a0 lowspeed
Port 87: 0000.02a0 lowspeed
Port 88: 0000.02a0 lowspeed
Port 89: 0000.02a0 lowspeed
Port 90: 0000.02a0 lowspeed
Port 91: 0000.02a0 lowspeed
Port 92: 0000.02a0 lowspeed
Port 93: 0000.02a0 lowspeed
Port 94: 0000.02a0 lowspeed
Port 95: 0000.02a0 lowspeed
Port 96: 0000.02a0 lowspeed
Port 97: 0000.02a0 lowspeed
Port 98: 0000.02a0 lowspeed
Port 99: 0000.02a0 lowspeed
Port 100: 0000.02a0 lowspeed
Port 101: 0000.02a0 lowspeed
Port 102: 0000.02a0 lowspeed
Port 103: 0000.02a0 lowspeed
Port 104: 0000.02a0 lowspeed
Port 105: 0000.02a0 lowspeed
Port 106: 0000.02a0 lowspeed
Port 107: 0000.02a0 lowspeed
Port 108: 0000.02a0 lowspeed
Port 109: 0000.02a0 lowspeed
Port 110: 0000.02a0 lowspeed
Port 111: 0000.02a0 lowspeed
Port 112: 0000.02a0 lowspeed
Port 113: 0000.02a0 lowspeed
Port 114: 0000.02a0 lowspeed
Port 115: 0000.02a0 lowspeed
Port 116: 0000.02a0 lowspeed
Port 117: 0000.02a0 lowspeed
Port 118: 0000.02a0 lowspeed
Port 119: 0000.02a0 lowspeed
Port 120: 0000.02a0 lowspeed
Port 121: 0000.02a0 lowspeed
Port 122: 0000.02a0 lowspeed
Port 123: 0000.02a0 lowspeed
Port 124: 0000.02a0 lowspeed
Port 125: 0000.02a0 lowspeed
Port 126: 0000.02a0 lowspeed
Port 127: 0000.02a0 lowspeed
Port 128: 0000.02a0 lowspeed
Port 129: 0000.02a0 lowspeed
Port 130: 0000.02a0 lowspeed
Port 131: 0000.02a0 lowspeed
Port 132: 0000.02a0 lowspeed
Port 133: 0000.02a0 lowspeed
Port 134: 0000.02a0 lowspeed
Binary Object Store Descriptor:
bLength 5
bDescriptorType 15
wTotalLength 43
bNumDeviceCaps 2
SuperSpeed USB Device Capability:
bLength 10
bDescriptorType 16
bDevCapabilityType 3
bmAttributes 0x00
wSpeedsSupported 0x0008
Device can operate at SuperSpeed (5Gbps)
bFunctionalitySupport 3
Lowest fully-functional device speed is SuperSpeed (5Gbps)
bU1DevExitLat 0 micro seconds
bU2DevExitLat 0 micro seconds
** UNRECOGNIZED: 1c 10 0a 00 23 00 00 00 01 00 00 00 34 00 05 00 b4 00 05 00 35 40 0a 00 b5 40 0a 00
Device Status: 0x0001
Self Powered
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 1 Single TT
bMaxPacketSize0 64
idVendor 0x1d6b Linux Foundation
idProduct 0x0002 2.0 root hub
bcdDevice 5.10
iManufacturer 3 Linux 5.10.0-7-amd64 xhci-hcd
iProduct 2 xHCI Host Controller
iSerial 1 ...
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0 Full speed (or root) hub
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0004 1x 4 bytes
bInterval 12
Hub Descriptor:
bLength 9
bDescriptorType 41
nNbrPorts 2
wHubCharacteristic 0x000a
No power switching (usb 1.0)
Per-port overcurrent protection
TT think time 8 FS bits
bPwrOn2PwrGood 10 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
DeviceRemovable 0x00
PortPwrCtrlMask 0xff
Hub Port Status:
Port 1: 0000.0100 power
Port 2: 0000.0100 power
Device Status: 0x0001
Self Powered