NH82801GHM S L8YR Intel, NH82801GHM S L8YR Datasheet - Page 552
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NH82801GHM S L8YR
Manufacturer Part Number
NH82801GHM S L8YR
Description
Manufacturer
Intel
Datasheet
1.NH82801GHM_S_L8YR.pdf
(848 pages)
Specifications of NH82801GHM S L8YR
Lead Free Status / RoHS Status
Compliant
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13.1.16
13.1.17
13.1.18
552
PWR_CAPID—PCI Power Management Capability ID
Register (USB EHCI—D29:F7)
Address Offset: 50h
Default Value:
NXT_PTR1—Next Item Pointer #1 Register
(USB EHCI—D29:F7)
Address Offset: 51h
Default Value:
PWR_CAP—Power Management Capabilities Register
(USB EHCI—D29:F7)
Address Offset: 52h
Default Value:
15:11
7:0
Bit
7:0
8:6
Bit
Bit
10
9
5
Power Management Capability ID — RO. A value of 01h indicates that this is a PCI
Power Management capabilities field.
Next Item Pointer 1 Value — R/W (special). This register defaults to 58h, which
indicates that the next capability registers begin at configuration offset 58h. This
register is writable when the WRT_RDONLY bit (D29:F7:80h, bit 0) is set. This allows
BIOS to effectively hide the Debug Port capability registers, if necessary. This register
should only be written during system initialization before the plug-and-play software
has enabled any master-initiated traffic. Only values of 58h (Debug Port visible) and
00h (Debug Port invisible) are expected to be programmed in this register.
NOTE: Register not reset by D3-to-D0 warm reset.
PME Support (PME_SUP) — R/W (special). This 5-bit field indicates the power states
in which the function may assert PME#. The Intel
or D2 states. For all other states, the ICH7 EHC is capable of generating PME#.
Software should not need to modify this field.
D2 Support (D2_SUP) — R/W (special).
0 = D2 State is not supported
1 = D2 State is supported
D1 Support (D1_SUP) — R/W (special).
0 = D1 State is not supported
1 = D1 State is supported
Auxiliary Current (AUX_CUR) — R/W (special). The ICH7 EHC reports 375 mA
maximum suspend well current required when in the D3
written by BIOS when a more accurate value is known.
Device Specific Initialization (DSI)— R/W (special). The ICH7 reports 0, indicating
that no
device-specific initialization is required.
01h
58h
C9C2h
–
53h
Description
Description
Description
Attribute:
Size:
Attribute:
Size:
Attribute:
Size:
®
ICH7 EHC does not support the D1
EHCI Controller Registers (D29:F7)
COLD
Intel
RO
8 bits
R/W (special)
8 bits
R/W (special)
16 bits
state. This value can be
®
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