FW82801BA S L5WK Intel, FW82801BA S L5WK Datasheet - Page 511
FW82801BA S L5WK
Manufacturer Part Number
FW82801BA S L5WK
Description
Manufacturer
Intel
Datasheet
1.FW82801BA_S_L5WK.pdf
(671 pages)
Specifications of FW82801BA S L5WK
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Intel
®
82801EB ICH5 / 82801ER ICH5R Datasheet
Bit
2
1
0
Port Enabled/Disabled — R/W. Ports can only be enabled by the host controller as a part of the
reset and enable. Software cannot enable a port by writing a 1 to this bit. Ports can be disabled by
either a fault condition (disconnect event or other fault condition) or by host software. Note that the
bit status does not change until the port state actually changes. There may be a delay in disabling or
enabling a port due to other host controller and bus events.
0 = Disable
1 = Enable (Default)
Connect Status Change — R/WC. This bit indicates a change has occurred in the port’s Current
Connect Status. Software sets this bit to 0 by writing a 1 to it.
0 = No change (Default).
1 = Change in Current Connect Status. The host controller sets this bit for all changes to the port
Current Connect Status — RO. This value reflects the current state of the port, and may not
correspond directly to the event that caused the Connect Status Change bit (Bit 1) to be set.
0 = No device is present. (Default)
1 = Device is present on port.
device connect status, even if system software has not cleared an existing connect status
change. For example, the insertion status changes twice before system software has cleared
the changed condition, hub hardware will be “setting” an already-set bit (i.e., the bit will remain
set).
Description
EHCI Controller Registers (D29:F7)
511
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