不记录最近文档（recent document）

1. 不记录最近文档
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
"NoRecentDocsHistory"=dword:00000001

2. 笔记本 cpu 功耗 性价比
an ultraportable at netbook prices

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netbooks vs ultraportables vs notebooks: cpu performance and power consumption

Processor / CPU passmark (worst to best)
Intel ........Atom Z520 @ 1.33GHz 253 <- Acer One 751H netbook, though is clocked at 1.24Ghz!!
Intel .........Pentium M @ 1.20GHz 298
AMD ........Athlon L110@ 1.20Ghz 300 <- Gateway LT31 series netbook
Intel ........Atom N270 @ 1.60GHz 306 <- most netbooks
Intel ........Atom N280 @ 1.66GHz 317 <- ASUS 1000HE netbook
Intel .Core Solo U1400 @ 1.20Ghz xxx <- ULV HP nc2400 (solo model)
Intel .Core Solo U1500 @ 1.33GHz 330
Via ........Nano U2250 @ 1.33Ghz 434 <- Samsung NC20
AMD Athlon Neo MV-40@ 1.60Ghz 435 <- HP DV2
Intel Core 2 Solo U3500@ 1.40GHz 490 <- Acer 1810T/AS1410. NOTE: passmarks web data is inaccurate. Seehere.
Intel .........Pentium M @ 2.26GHz 552 <- fastest Centrino CPU
Intel Core2 Duo U7500 @ 1.06GHz 569
Intel ..Core Duo U2500 @ 1.20GHz 587 <- ULV HP nc2400 (duo model)
Intel ..........Atom 330 @ 1.60GHz 614
Intel Core2 Duo U7600 @ 1.20GHz 650 <- ULV HP 2510P, Dell E420
Intel Core2 Duo L7100 @ 1.20GHz 662 <- ULV Lenovo X300
Intel Core2 Duo U7700 @ 1.33GHz 724 <- ULV HP 2510P, Toshiba R500
Intel Core2 Duo U9300 @ 1.20GHz 768 <- ULV HP 2530P, Dell E4200, Toshiba R600, Acer 3810T
Intel...............T2250 @ 1.73GHz 783
Intel Core2 Duo T5500 @ 1.66GHz 872 <- approx overclocked U7600/U7700 2510P
Intel Core2 Duo U9400 @ 1.40GHz 923 <- ULV: HP 2530P/Lenovo X301/X200s, Dell E4200, Toshiba R600
Intel Core2 Duo L7700 @ 1.80GHz 1109 <-LV HP 2510P/Thinkpad X61s
Intel Core2 Duo L9400 @ 1.86GHz 1230 <- LV: HP 2530P/Lenovo X200s
Intel Dual-Core T4200 @ 2.00GHz 1232
Intel Core2 Duo T7500 @ 2.20GHz 1234 <-Thinkpad X61
Intel Core2 Duo P7350 @ 2.00GHz 1365
Intel Core2 Duo T6500 @ 2.10GHz 1519
Intel Core2 Duo P8400 @ 2.26GHz 1542 <- Lenovo X200
Intel Core2 Duo T9400 @ 2.53GHz 1719

CPU power consumption (best to worst - mostly opposite to performance)
2W TDP: Atom z520, z530 [netbook]
2.5W TDP: Atom N270, N280
5W TDP: Core Solo U1400/U1500, Via Nano U2250
5.5W TDP: SU3500
8W TDP: Atom 330
10W TDP: SU2700, U2500, U7x00, U9x00 (ULV)
12W TDP: L7100 ULV
15W TDP: AMD Athlon Neo MV-40
17W TDP: L7x00, L9x00 (LV)
25W TDP: Pxxxx, eg: P8600 [notebook]
35W TDP: Txxxx, eg: T4200 [notebook]

Intel Core 2 Power Classification Prefix

QX	Extreme performance	quad core	>40 W
X	Extreme performance	dual core	>40 W
T	High performance	dual core	30-40 W
P	Balanced performance/energy	dual core	20-30 W
L	High efficiency	dual core	12-19 W
U	Ultra-high efficiency	dual core	<12 W

3. uac 相关注册表设置
//z 2011-12-1 12:16 PM IS2120@CSDN
"ConsentPromptBehaviorAdmin"=dword:00000002
为0时，使用administrator直接运行，1提示输入用户名密码，2只提示
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System]
"ConsentPromptBehaviorAdmin"=dword:00000002
"ConsentPromptBehaviorUser"=dword:00000001
"EnableInstallerDetection"=dword:00000001
"EnableLUA"=dword:00000001
"EnableSecureUIAPaths"=dword:00000001
"EnableUIADesktopToggle"=dword:00000000
"EnableVirtualization"=dword:00000001
"PromptOnSecureDesktop"=dword:00000001
"ValidateAdminCodeSignatures"=dword:00000000
"dontdisplaylastusername"=dword:00000000
"legalnoticecaption"=""
"legalnoticetext"=""
"scforceoption"=dword:00000000
"shutdownwithoutlogon"=dword:00000001
"undockwithoutlogon"=dword:00000001
"FilterAdministratorToken"=dword:00000000

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\UIPI]

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\UIPI\Clipboard]

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\UIPI\Clipboard\ExceptionFormats]
"CF_TEXT"=dword:00000001
"CF_BITMAP"=dword:00000002
"CF_OEMTEXT"=dword:00000007
"CF_DIB"=dword:00000008
"CF_PALETTE"=dword:00000009
"CF_UNICODETEXT"=dword:0000000d
"CF_DIBV5"=dword:00000011

4. windows7操作系统如何以管理员身份登录

开始菜单，找到“所有程序——附件”，右击“命令提示符”选择“以管理员身份运行”。
   接下来输入如下命令：“net    user    administrator   /active:yes”然后注销或重启系统，即可使用超级管理员帐户了。（注意空格！）
打开控制面板，在“用户管理”中即可看到Administrator账户，选择该账户，重新设置密码，不要采用默认的无密码状态！
   如果不想用超级管理员帐户了，操作步骤与原来的步骤一样，只是要把输入命令的“yes”更换为“no”。