/sys$common/syshlp/USB$SDA_HELP.HLB  —  SHOW  OHCI  INTERRUPT  Example
 SDA> USB SHO OHCI INTERRUPT 1
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 Dumping 1Ms list heads and attached ED's
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 ED listhead[0]:
 ED Flink            896028dc
 ED Blink            896028dc
 ED headED           89720000
 ED physical address 8972003c
 ED bandwidth        00000000
 ED next             000000ff
 ED flags            00000000

 Head ED address 89720000
 flink             00000000
 blink             00000000
 type              0
 EDlist_index      0
 PausedFlag        0
 endpoint_state    0
                   Endpoint unknown state
 PhysicalAddress   45440030
 pipe              00000000
 headTD            8971e000
 tailTD            8971e000
 ReclamationFrame  0
 request_count     0
 PausedLink flink  0
 PausedLink blink  0
 last_request      00000000
 usb_address       00000000
 endpoint_number   00000000
 direction         00000000
                   Get direction from TD
 speed             00000000
 skip              00000001
 Format            00000000
 MaximumPacketSize 00000000
 TailP             04543003
 Halted            00000000
 toggleCarry       00000000
 HeadP             04543003
 NextED            00000000
 SDA>
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