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******************************************************************* * Kaizen's Left 4 Dead 2 Performance Config * v1.1 (Nov 21, 2009) ******************************************************************* * Copyright (C) 2008-2009 Next Level Gamer (www.nextlevelgamer.com) * and respective copyright owners. All Rights Reserved. ******************************************************************* * HTTP://WWW.NEXTLEVELGAMER.COM, KAIZEN AND ALL AFFILAITE PARTIES * ASSUME NO LIABILITY FOR DAMAGES INCURRED DIRECTLY OR INDIRECTLY * AS A RESULT OF ERRORS, OMISSIONS OR DISCREPANCIES FOUND WITHIN * ANY VERSION OF KAIZEN'S LEFT 4 DEAD 2 PERFORMANCE CONFIG. USE * OF THIS CONFIG IS ENTIRELY AT YOUR OWN RISK *******************************************************************

INTRODUCTION ******************************************************************* Kaizen's L4D2 performance config is designed to boost your frame rates (FPS) while maintaining the best possible graphics experience. It also attempts to improve hit registration (i.e. the accuracy of your shots) by optimizing network settings, improve the visibility of the crosshair, and increase brightness so you can see enemies better. Unfortunately, as was the case with the original L4D, L4D2 restricts most of the Source Engine's console commands. Many of the best performance options can only accessed via the in game menu's. Feel free to tweak any of the settings to your liking, descriptions of what commands do are provided. If you have any suggestions, questions or other please visit www.nextlevelgamer.com and post on the forums. Enjoy! - Kaizen ([email protected])

INSTALLATION INSTRUCTIONS ******************************************************************* Place this file (autoexec.cfg) into your Left 4 Dead 2 CFG folder, similar to the path below: \Steam\SteamApps\common\left 4 dead 2\left4dead2\cfg\

STEAM LAUNCH OPTIONS ******************************************************************* For an additional performance boost, customize your command line launch options for Left 4 Dead 2 in Steam before starting the game Setting Launch Options ��������������������������������������� 1. Go to "My Games" in Steam 2. Right click "Left 4 Dead 2" and select "Properties"

3. Select "Set launch options..." and enter the following: -w 1680 -console -refresh 120 -heapsize 1572864 -high -noforcemaccel -noforcemparms -noipx -nojoy Customizing Launch Options ��������������������������������������� -w 1680 Sets resolution to 1680x1050; for 16:10 widescreen monitors tweak as necessary -console Enables developer console; so you can press ~ to enter commands -novid Disables the intro movie, speeds up game on start-up (doesn't seem to work in L4D2 yet though) -refresh 120 Forces 120hz/120fps refresh rate on monitor (if available) -heapsize 1572864 Allocates RAM for the game; see table below for calculating optimal values -high Forces high U priority -noforcemaccel Forces desktop mouse acceleration settings -noforcemparms Forces desktop mouse button configuration -noipx Disables IPX network detection, local LAN (slight boot time improvement; you may need to remove this for LAN parties) -nojoy Disables detection of 3rd party gamepads and controllers (slight boot time improvement) Heapsize Setting ��������������������������������������� Modify the heapsize command to allocate 50% of the RAM you have in your computer (NOT video card memory!) in bytes. Formula = RAM (in GB) * 1024 * 1024 / 2 1GB -heapsize 524288 2GB -heapsize 1048576 3GB+ -heapsize 1572864 Since L4D2 is a 32-bit application it is believed to be capped at a maximum of 3GB of RAM. Setting heapsize to a value beyond this may crash the game. For a detailed guide on Steam launch options, refer to: http://www.nextlevelgamer.com/counter-strike-source-launch-options/

Removal Instructions: ******************************************************************* Don't like the config? Simply delete autoexec.cfg and config.cfg from Steam\SteamApps\common\left 4 dead 2\left4dead2\cfg\ Depending on your Steam Cloud settings, you may need to redefine your key bindings and personal preferences after this. Note: - Brightness too high? Set mat_monitorgamma_tv_enabled to 0 - Prefer default crosshair? Set cl_crosshair_dynamic 1 Additional Performance Links ******************************************************************* Left 4 Dead 2 Performance Tweaking Guide

http://www.nextlevelgamer.com/left-4-dead/left-4-dead-2-performance-tweaking-guide General Performance Tweaking Articles http://www.nextlevelgamer.com/tweaks Special Thanks Version 1.1 ******************************************************************* - To KeRupTion and mystrdat of the Steam forums for finding better values of the network variables found in version 1.1 - To Fiszy, Kirisu, Jesse_lee, adsqew132 and anyone else I've missed for their and general interest in this config - The entire Left 4 Dead 2 community *******************************************************************