Why does hive-base registry couse the default power status failed?

From: hehe <hehe@xxxxxxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 15 Oct 2008 21:10:01 -0700

I want to set some device's default power status. I set it in registry such
as the follow:

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\State\On]
"spi1:"=dword:4
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\State\UserIdle]
"spi1:"=dword:4
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\State\SystemIdle]
"spi1:"=dword:4

it work fine under ram-base registry, but when used hive base registry, it
doesn't work. how can i do??

by the way, i find some device driver can cause the system into d2 mode
immediately after resume, why??

.

Follow-Ups:
- Re: Why does hive-base registry couse the default power status failed?
  - From: Bruce Eitman [eMVP]
- RE: Why does hive-base registry couse the default power status failed?
  - From: C.L

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