參數(shù)資料
型號: FW82815
英文描述: Controller Miscellaneous - Datasheet Reference
中文描述: 控制器雜項-數(shù)據(jù)表參考
文件頁數(shù): 114/172頁
文件大?。?/td> 795K
代理商: FW82815
82815 GMCH
R
114
Datasheet
3.6.25.
PM_CS—Power Management Control/Status Register
(Device 2)
Address Offset:
E0h
E1h
Default Value:
0000h
Access:
Read/Write
Size:
16 bits
15
14
13
12
9
8
PME Sta
(HW=0)
Data Scale (Reserved)
Data_Select (Reserved)
PME En
7
2
1
0
Reserved
PowerState
Bits
Description
15
PME_Status
D3 (cold).
RO.
This bit is 0 to indicate that the GMCH does not support PME# generation from
14:13
Data Scale (Reserved)
when read; write operations have no effect.
RO.
The GMCH does not support data register. This bit always returns 0
12:9
Data_Select (Reserved)
when read; write operations have no effect.
RO
. The GMCH does not support data register. This bit always returns 0
8
PME_En
R/W.
This bit is 0 to indicate that PME# assertion from D3 (cold) is disabled.
7:2
Reserved. Always returns 0s when read; write operations have no effect.
1:0
PowerState
the GMCH into a new power state. If software attempts to write an unsupported state to this field,
write operation must complete normally on the bus; data is discarded and no state change occurs.
R/W.
This field indicates the current power state of the GMCH and can be used to set
00 = D0
01 = D1 (Not supported in the GMCH )
10 = D2 (Not supported in the GMCH )
11 = D3
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