Power management control/status, Register: 0xxx – Avago Technologies LSI53C1020 User Manual
Page 99
PCI Configuration Space Register Descriptions
4-21
Version 2.4
Copyright © 2001–2004 by LSI Logic Corporation. All rights reserved.
Register: 0xXX
Power Management Control/Status
Read/Write
PME_Status
15
The PCI function clears this bit because the LSI53C1020
does not support PME signal generation from D3
cold
.
Data_Scale
[14:13]
The PCI function clears these bits because the
LSI53C1020 does not support the Power Management
Data register.
Data_Select
[12:9]
The PCI function clears these bits because the
LSI53C1020 does not support the Power Management
Data register.
PME_Enable
8
The PCI function clears this bit because the LSI53C1020
does not provide a PME signal and disables PME asser-
tion.
Reserved
[7:2]
This field is reserved.
Power State
[1:0]
These bits determine the current power state of the
LSI53C1020. Power states are as follows:
15
14
13
12
9
8
7
2
1
0
Power Management Control/Status
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0b00
D0
0b01
D1
0b10
D2
0b11
D3
hot