Displays information about a USB hub.
Format
USB SHOW HUB [address]
1 – Example
SDA> usb show hub 8974ded0
Hub address is: 8974ded0
Descriptor header Flink 89750e50
Descriptor header Blink 89749590
Pointer to array descriptor 897317d0
Index 00000002
Flags 0 -> avail 1 ->used 00000001
Numbers of entries in this chunk00000001
Descriptor type 00000002
Lock 0000003a
KPB pointer 00000000
Host controller UCB 896f5400
Device state 00000010
DEVICE CONFIGURED
Device next state 00000000
UNKNONW STATE
Port number 00000001
Speed 0->full 1->low 2->High 00000002
Tier level 00000001
USB bus address 00000002
Reference count 00000001
Flag(s) DEVICE_IS_CONNECTED
Flag(s) DEVICE_CONFIG_DEVICE
Default pipe 89731f10
Bus device is attached to 89731750
Upstream hub address 89749590
Default pipe requests Flink 8974df18
Default pipe requests Blink 8974df18
Driver name SYS$HUBDRIVER
Device descriptor length 00000012
Descriptor type 00000001
Revision 00000200
Device class 00000009
Device sub class 00000000
Device protocol 00000002
Max packet size 00000040
Vendor ID 0000050d
Product ID 00000234
Manufactures index 00000000
Product index 00000000
Serial number index 00000000
Number of configurations 00000001
Pointer to configuration array 8974de50
Number of configuration desc 00000001
Active configuration pointer 89754c50
Pointer to interface desc array 89754cd0
Default interface array ptr 89754c10
Pointer to endpoint array 8974de90
Endpoint Address 8974de90
Device: 8974DED0
Interface: 89754CD0
Desc: 89754C62
Number: 01
Pipe: 89750DD0
Endpoint Address 8974dea8
Device: 8974DED0
Interface: 89754E10
Desc: 89754C72
Number: 01
Pipe: 00000000
Number of interface descriptors 00000002
Number of endpoint descriptors 00000002
Config_value 00000001
Failed configure attempts 00000000
Structure type is HUB
-----Embeded hub descriptor-----
Hub descriptor length 00000009
Descriptor type 00000029
Number of ports 00000004
Characteristics low byte 00000000
Characteristics high byte 00000000
Power on to power good interval 00000032
Hub control current 00000001
Skipping port power control mask
-----End of embeded hub descriptor-----
Hub status change endpoint is 00000081
Status change pipe handle ffffffff89750dd0
Status change requests Flink 896f0050
Status change requests Blink 896f0050
Number of ports 00000004
Port[1] status is 00000000
next saved bits 00000000
Port[2] status is 00000000
next saved bits 00000000
Port[3] status is 00000000
next saved bits 00000005
status bits
4-SEP-2008 17:50:10.38 -> 00010301
4-SEP-2008 17:50:10.48 -> 00010301
4-SEP-2008 17:50:10.48 -> 00000301
4-SEP-2008 17:50:10.64 -> 00100303
IDX: 4-SEP-2008 17:50:10.64 -> 00000303
Port[4] status is 00000000
next saved bits 00000000
Hub flags 00000000
Hub port power count 00000000
Array of downstream device ptrs 89754fd0
Port[1] device address 00000000
Port[2] device address 00000000
Port[3] device address 89750e50
Port[4] device address 00000000
Hub lock is 0000003a
SDA>