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Thread: Tweaking your 56k dial-up modem!

  1. #1
    pranky is offline Newbie
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    Tweaking your 56k dial-up modem!

    Ensure that you have the latest drivers for your modem, from the manufacturer & not Microsoft.

    Here are some tweaks that will help you maximize throughput as best possible, for your 56K modem.
    Please create a System Restore point before tweaking

    Download Cablenut & use the following settings:

    DefaultReceiveWindow = 8192
    DefaultSendWindow = 4096
    DisableAddressSharing = 1
    InitialLargeBufferCount = 10
    InitialMediumBufferCount = 24
    InitialSmallBufferCount = 32
    LargeBufferSize = 4096
    MaxFastTransmit = 6400
    MediumBufferSize = 1504
    PriorityBoost = 0
    SmallBufferSize = 128
    TransmitWorker = 32
    FastSendDatagramThreshold = 1024
    EnableFastRouteLookup = 1
    EnablePMTUDiscovery = 1
    IgnorePushBitOnReceives = 0
    GlobalMaxTcpWindowSize = 8760
    MaxFreeTcbs = 2000
    MaxHashTableSize = 4096
    MaxNormLookupMemory = 5000000
    SackOpts = 1
    SynAttackProtect = 1
    Tcp1323Opts = 0
    TcpLogLevel = 1
    MaxDupAcks = 2
    TcpMaxHalfOpen = 100
    TcpMaxHalfOpenRetried = 80
    TcpRecvSegmentSize = 1460
    TcpSendSegmentSize = 1460
    TcpTimedWaitDelay = 30
    TcpUseRFC1122UrgentPointer = 0
    TcpWindowSize = 8760
    MaxConnectionsPer1_0Server = 8
    MaxConnectionsPerServer = 4
    DefaultTTL = 128
    DisableUserTOSSetting = 0
    TcpMaxDataRetransmissions = 6
    DefaultTOSValue = 92

    Open your registry (start -> run -> type regedit) and change the following registry entry:

    Export each registry setting before amending

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\AFD\Parameters
    Add the parameter BufferMultiplier and give it a value of 400 hexidecimal which will make it 1024.

    Download TCPOptimizer and use the following settings:

    Under the settings tab select dial up and custom settings, in network adapter selection choose dial up adapter. Then use the following settings:

    MaxMTU - 1500
    TCP Receive Window - 8760
    MTU Discovery - Yes
    Black Hole Detect - No
    Selective ACKs - Yes
    Max Dup ACKs - 2
    Time to Live (TTL) - 128
    TCP 1323 Options - uncheck both boxes

    Other settings:
    Max Connections per Server - 4
    Max Connections per 1.0 Server - 8

    Then select Apply changes and reboot your computer.

    Go to Network Connections from the Control Panel – right click on your internet connection and select properties, uninstall QoS Packet Scheduler.

    Amend the following registry entries:

    delete the following entry
    HKEY_LOCAL_MACHINE/Software/Microsoft/Windows/CurrentVersion/Explorer/RemoteComputer/NameSpace/{D6277990-4C6A-11CF-8D87-00AA0060F5BF}

    add the following entry:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\PriorityControl (if PriorityControl is not there, make the value) - on the right hand side right click and select new DWORD value, name it IrqXPriority (X = Irq assigned to your modem), then right click it and select modify and give
    it a decimal value of 1.

    This tweak will help web pages load faster, it has no real effect on download speeds, just helps your pc look up websites faster thereby speeding up
    how fast the page loads and making websurfing more enjoyable.

    Go to the registry entry and change the following settings:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\Tcpip\ServiceProvider

    Class - 1
    DnsPriority - 1
    HostsPriority - 1
    LocalPriority - 1
    NetbtPriority - 1

    Download CableNut in here
    http://www.student.ipfw.edu/%7Egottj...ablenut408.exe

    Download TCPOptimiser in here
    http://www.speedguide.net/files/TCPOptimizer.exe

    Credit goes to subs..the original author for writing this tweak. But i can't recall where i copy this tweak from...i'll post it in here if i found the site.

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  3. #2
    xtraze is offline Programming God
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    Is there anything like that for Routers ??
    I hav a wireless one.

  4. #3
    AfTriX is offline Programming God
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    Will it go more than 56k down stream if we do so?

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