USB$SDA_HELP.HLB  —  SHOW  OHCI  REGISTERS  Example
 SDA> USB SHO OHCI REGISTERS
 Current OHCI registers as read from the controller
 HcRevision                                   00000010
 HcControl                                    000000B4
    Control to Bulk ratio 1 : 1
    Periodic List Enabled
    Isochronous Disabled
    Control List Enabled
    Bulk List Enabled
    USB Operational
    Interrupts routed to bus
    Remote Wake Up not connected
    Remote Wake Up Disabled
 HcCommandStatus                              00000000
    Scheduling Overrun Count 0
 HcInterruptStatus                            00000004
    Start of Frame Detected
 HcInterruptEnable                            C000007B
    Interrupt on Scheduling Overrun
    Interrupt on addition to done head
    Interrupt on Resume
    Interrupt on Frame number overflow
    Interrupt on Root Hub Status Change
    Interrupt on Ownership change
    Interrupt on Scheduling Overrun
    Master Interrupt Enabled
 HcInterruptDisable                           C000007B
 HcHCCA                                       45451D00
 HcPeriodCurrentED                            00000000
 HcControlHeadED                              45440830
 HcControlCurrentED                           00000000
 HcBulkHeadED                                 00000000
 HcBulkCurrentED                              00000000
 HcDoneHead                                   00000000
 HcFmInterval                                 A7782EDF
    Frame Interval                     02edf
    Largest full speed frame in bits   02778
    Frame Interval toggle set
 HcFmRemaining                                800004C2
    Frames remaining                   004c2
    Frames Remaining toggle is set
 HcFmNumber                                   0000F6DA
 HcPeriodicStart                              00002A27
 HcLSThreshold                                00000628
 HcRhDescriptorA                              FF000903
    Number of down stream ports          03
    Ports are power switched
    Ports powered individually
    Overcurrent reported on per port basis
    Power on to power good in Ms 510
 HcRhDescriptorB                              000E0000
    Device Removeable bit mask   0000000000000000
    Port Power control bit mask  0000000000001110
 HcRhStatus                                   00000000
 HcRhPortStatus[01]                           00000303
    Device connected
    Port Enabled
    Port power is on
    Low speed device attached
 HcRhPortStatus[02]                           00000100
    No Device connected
    Port Disabled
    Port power is on
 HcRhPortStatus[03]                           00000100
    No Device connected
    Port Disabled
    Port power is on
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