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Thread: Handy Registry Tweaks for CarPC's

  1. #11
    Join Date
    Oct 2003
    Where do I start? Firstly, what of these settings do work only work for Windows 95 and 98, some for ME as well. None of these do anything for 2k/XP, or any NT based OS for that matter. config.sys, msdos.sys, io.sys, system.ini, and win.ini only exist in 2k/XP for compatibility with old applications. You can delete them if you want. Though some older programs may freak out.....

    Quote Originally Posted by jaeger
    here is a set of tweaks to your system configuration files that will help with boot times dramatically

    [b]There are several, very simple tweaks that can be performed that will significantly decrease the amount of time it takes your computer to boot up. Not only that, but several of them will also increase the speed of your system as well. To begin with, there are four main files which all versions of Windows use to a varying degree while booting up. These four files are autoexec.bat, config.sys, system.ini, and msdos.sys. For the most part, unless you are running a command-line virus scanner, autoexec.bat should be empty. However, the other files can be modified to increase system boot time and performance.

    For example, adding the line stacks=0,0 to the config.sys file can significantly speed up a computer. However, the two files I really want to focus on here are system.ini and msdos.sys. Within system.ini, add the following lines under


    LocalLoadHigh=1 - This setting tells the computer to load everything the operating system needs into upper memory by default, freeing up as much conventional memory as possible (the first 640K). Microsoft would like us to believe that this no longer effects the system, but they are lying.

    DMABufferSize=64 - This setting tells the computer to leave as much memory available for DMA data transfers as possible, speeding up not only the boot process but the system in general.
    These settings do nothing, thats right, nothing! Someone pulled these right out of their asses. And Microsoft is lying about conventional memory? The entire notion of conventional memory is related to DOS. Do you still run DOS applications? No!. Conventional memory and upper memory have absolutely nothing to do with Windows or any of its components.

    There are some even more exciting settings available within the msdos.sys file for optimizing the boot process. Before you can modify the msdos.sys file (which is a hidden file, by the way, so you'll have to set Windows to show hidden files from within Windows Explorer), you will need to remove its read-only attribute. To do this, right click on the file, enter its properties menu, and uncheck read-only. Now that you've done that, open the file in notepad and add the following lines:

    Logo=0 - This setting turns off the silly Windows splash screen during startup. Disabling this will shave a few seconds off your boot time.
    Stops Win95/98 from displaying the 95/98 boot logo. Saves no startup time at all.

    Drvspace=0 - This setting turns off support for Drivespace-compressed FAT16 drives. Since no one uses this anymore, it is safe to disable. Disabling it will not only speed up your boot time, but it will also free up some extra resources as well
    Saves at most 3KB convential memory, but of course not that it matters.

    Dblspace=0 - Same as above, but this time for Doublespace-compressed FAT16 drives.
    Same as above...

    DisableLog=1 - This setting disables the log file which Windows creates by default when booting up. Disabling this will shave a few seconds off your boot time, and since no one ever uses the log file for anything anyway, it won't be missed.
    What log? 95/98 only make a boot log when told to do so from the Windows Boot Menu (F8 at Startup) And even then its a simple text file that takes at most a millisecond to create!

    AutoScan=0 - This line disables the automatic scandisk that is run if the computer is improperly shutdown - saving a bunch of time if you are constantly restarting your computer using the power button instead of the 'correct' way. Sadly, however, this doesn't appear to work with Windows Me.
    If you are shutting your computer down by just hitting the power button its quite possible for your filesystem to in a inconsistant state. This is because of disk write cache. This is why Scandisk runs in these situations. Now, if you are flushing the write cache before powering down then this is not a problem. There are many utilities out there that will cause windows to the flush the disk cache out.

    Applying these tweaks should dramatically decrease the amount of time it takes for your computer to start up or reboot. Hopefully, these tweaks will help your computer boot up faster, and give you a slight performance boost as well.
    Applying these tweaks from a 4 year old article on any windows 95/98 system will result in no performance increase and nothing at all happening....

    People, please, there is no "MakeMyWindozSuparFast" setting. It just does not exist. If it did be assured it would be turned on by default.

  2. #12
    Join Date
    Aug 2004
    I agree with Steve on his points, most of those tweaks are for compatability and not relevent for the most part. Two very useful sites to visit to reduce the memory used by Windows XP include and I have used both on the WinXP PC I am using to type this, and my memory use at startup is 48mb, 3mb used for task manager, so net 45mb of ram. Much better than the standard amount with all the services and tools installed by default.

    Using the tool on the second site can leave you with a neutered OS though, my first pass included total removal of IE, and I couldn't open MMC to add users, and couldn't open key control panel apps and utilities that rely on integrated IE components. Leaving the IE core components solved my problems, and it cut the installed size of the OS to 350mb+pagefile. I think the default is over 700, so that's handy for a smaller HDD. My first version came in at 250mb, but for all it could do, Win95 would have worked just as well.

    The main benefit I've seen is the speed of loading once you're to the login point. For a while I had it auto login as admin, and once that started I was at a working desktop in about 2 seconds. I know there was still a process running in the background, but it did shave a couple seconds off what I'm used to seeing.

    Word of warning, I haven't installed FrodoPlayer or other unique apps yet, so I can't say if that works. But FireFox, OpenOffice, and a bunch of plugins/small utilities have worked fine so far.

  3. #13
    Constant Bitrate jaeger's Avatar
    Join Date
    Jul 2004
    Galveston Is., TX
    ...there are some people here who are using win98SE...please don't assume everything is just for xp/2k

    thanks for shooting down my input.

  4. #14
    Join Date
    Aug 1999
    Upper Marlboro, MD 20772
    lol...Why in devils name are you guys still using those OLD os...come on get with the feature, let those os die. I can understand if u have old hardware but then again, hardware is much cheaper these dayz... Sorry i just have to vent
    Author of CobraI,II,III and now CobraIV.
    You can contact me on AOL instant messenger....nick is cenwesi or cenwesi3

  5. #15
    pip is offline
    Maximum Bitrate pip's Avatar
    Join Date
    Mar 2004
    Parker, CO
    Lower memory requirements, smaller footprint, runs on lower spec hardware.
    I can see a few reasons, however I think XP is FAR superior in many other ways (including stability).
    EPoX mATX SocketA w/onboard Geforce4MX / 512MB PC2700 / AthlonXP 1600
    Lilliput / DVDrom / Opus 150W / WD 3.5" 160GB / SB Audigy NX
    XP home / Road Runner / iGuidance 4.0

  6. #16
    Join Date
    Aug 1999
    Upper Marlboro, MD 20772
    I agree but why go through all that and hassle only to have a lowend pc. If you are going to put a pc in your car then u might aswell go all the way and run the latest OS.
    I too started at the lowend. After couple of months i wanted more.....
    Author of CobraI,II,III and now CobraIV.
    You can contact me on AOL instant messenger....nick is cenwesi or cenwesi3

  7. #17
    Jesus Freak antimatter's Avatar
    Join Date
    Jan 2004
    I have one question. How did you shave off 13 seconds off of your boot time then if those tweaks don't work?.....unless they do work or you didn't take acurate time measurements
    -Jesus- King of Kings Lord of Lords

  8. #18
    Join Date
    Aug 1999
    Upper Marlboro, MD 20772
    13secs or what all depends on how new ur hardware is. And lets all not forget that HD access time/speed plays a major role too.
    Author of CobraI,II,III and now CobraIV.
    You can contact me on AOL instant messenger....nick is cenwesi or cenwesi3

  9. #19
    Join Date
    Aug 2004
    Like he said, those tweaks are for Win9x, so if that's what he's using the tweaks would work and thus speed it up. As to stability, if you're only using 1-2 apps over and over, and those apps don't have memory leaks, then there's no issue with using the older OS. I apologize for not noticing that was the case Jaeger. has some handy apps for whatever OS being used, to reduce the size and memory requirements.

    I think running Win95 on a newer PC makes sense, so long as the apps run stable. It's amazing just how quick the older OS load compared to newer ones!

  10. #20
    Registered User mpattonm's Avatar
    Join Date
    May 2003
    Czech rep.
    (For WinXP only)

    first things first: this one is my favorite:

    add /noguiboot option to your \boot.ini file.
    So it looks like this for example:
    multi(0)disk(0)rdisk(1)partition(1)\WINNT="Windows XP" /fastdetect /noguiboot
    This gets rid of annoying Starting WindowsXP animation and speeds up boot.

    Q. How do I enable Ctrl-Esc to start Task Manager?
    A. This was removed in release 4.0 of NT and changed to Ctrl - Esc - SHIFT, however it can be restored by editing the registry:

    Start the registry editor (regedit.exe)
    Go to the HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon
    Click Edit - New - String Value and enter the name as TaskMan
    Double click the entry and set the value to TASKMAN.EXE and press enter
    Close the registry
    Reboot the machine

    Tip: Disable Status Messages - Start/Run/Regedit

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Curr entVersion\Policies\System

    Right click in the right pane and select New, DWord value. Name the new value DisableStatusMessages. Double click the new value and set it to 1. Status messages will no longer show during boot/shutdown/logon/logoff. A value of 2 will give you Verbose status messages.

    Tip: faster shutdown


    Click on control folder in the right window you will see the following key
    "WaitToKillServiceTimeOut" Double click that key and set it to a value lower than 20000 (Value like 100 will be great)

    13- if you are on a network, windows XP scans all connected machines for scheduled tasks, slowing down your networking speeds, stop it by deleting the D6277990-4c6a-11cf-8d87-00aa0060f5bf value from the HKEY_LOCAL_MACHINE\software\microsfot\windows\curr entversion\explorer\remotecomputer\namespace\key in the registry and web pages will load more quickly.

    14- you can prioritise programs or services fro processor time under system properties, advanced, performance, settings, advanced, processor scheduling. But if you edit HKEY_LOCAL_MACHINE\system\currentcontrolset\contro l\prioritycontrol\win32priorityseperation in the registry, you can fine tune this further. Try the maximum value of 28 (decimal) or experiment.

    18- Get windows XP to automatically shut down applications when you shut windows down, change the HKEY_CURRENT_USER\control panel\desktop\autoendtasks key to 1.

    HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/ SessionManager/MemoryManagement

    3) Within this key are a large number of tweakable items. Since they are the same as win2k, I'll post the descriptions directly from my 2k tweak guide.

    DisableExecutivePaging. The default value of this key is 0, but we're going to set it to 1. This will prevent Windows XP from paging its Executive Files out of memory, which in turn makes the O/S and programs more responsive. As mentioned above, however, you should be sure to have alot of RAM on your computer before using this tweak.

    LargeSystemCache. On all Windows XP server platforms, this setting is on by default (which may explain their ungodly memory requirements). What is does is cause the O/S to dedicate all but 4MB of RAM to the file system cache, which in turn allows the computer to cache the OS Kernel to memory. This makes the computer much more responsive. The setting is a dynamic one, so if 4MB is no longer enough to handle program requests, Windows automatically gives up the needed RAM. The default value for this key is 0, though you should set it to 1 if you have enough RAM on your system. Running very intensive applications, such as SQL servers and IIS, is not recommended with this setting turned on.

    Display Resolution - Change

    1. Start/Run/Regedit and Navigate to:
    HKEY_CURRENT_CONFIG\System\CurrentControlSet\Contr ol\VIDEO\{3A2C2EBE-ECDB-4A7B-99EC-

    2. Find 'DefaultSettings.XResolution'. That is your y axis. Edit as a Decimal to what you want it to be. IE 1152.
    3. Find 'DefaultSettings.YResolution'. That is your x axis. Edit as a decimal to what you want it to be. IE 863.
    4. Reboot.


    Start/Run/Regedit: HKEY_CURRENT_CONFIG\Display\Settings. In the right pane, right click Resolution, modify, 800,600.

    Additional Steps for Windows XP
    This setting is disabled in Windows XP, and needs to re-enabled using a hex editor and changing SFC.DLL (or SFC_OS.DLL for Windows XP) following these instructions:

    Make a backup the SFC_OS.DLL in the C:\WINDOWS\SYSTEM32 directory.
    Make an additional copy of SFC_OS.DLL called SFC_OS1.DLL and open it in a hex editor.
    At offset 0000E2B8 (0E2B8h) you should find the values "8B" and "C6". Do not continue if you are unable to
    find these values.
    Change the values "8B C6" to read "90 90" and save the changes.
    Run these commands to update the system files:

    copy c:\windows\system32\sfc_os1.dll c:\windows\system32\sfc_os.dll /y
    copy c:\windows\system32\sfc_os1.dll c:\windows\system32\dllcache\sfc_os.dll /y

    If you are prompted to insert the Windows CD, click Cancel.
    Restart Windows for the change to take effect.
    Once these files have been updated apply the registry setting above.

    Shared Documents - Remove


    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Curr entVersion\Explorer\My Computer\NameSpace\ DelegateFolders

    Delete this key {59031a47-3f72-44a7-89c5-5595fe6b30ee}. The Shared Documents folders (which are normally under the group called "Other Files Stored on This Computer") will be gone.

    Speech Recognition Reminder - Disable

    Control Panel/Regional and Language Settings/Language Bar/Details/Preferences/Turn off Advanced Text Services.

    Speed-Up Share Viewing

    HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\Curr ent Version\Explorer\RemoteComputer\NameSpace. Delete the key called {D6277990-4C6A-11CF-8D87-00AA0060F5BF} and reboot.

    Delete OS/2 a Posix

    Registry Settings
    System Key: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Session Manager\
    Value Name: Optional
    Data Type: REG_MULTI_SZ (Multi-String Value)
    Value Data: Empty to disable OS/2 and Posix

    Disable ThumbnailCache

    Registry Settings
    User Key: [HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Explorer\
    Value Name: DisableThumbnailCache
    Data Type: REG_DWORD (DWORD Value)
    Value Data: (0 = enabled, 1 = disable cache)

    Before Search:
    regsvr32 /u zipfldr.dll
    regsvr32 /u cabview.dll

    After Search:
    regsvr32 cabview.dll
    regsvr32 zipfldr.dll

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