yuseaname :
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Dude, lol I'm not that clueless. My cpu is a Core 2 Duo, with a conroe 2m, B2 revision. Last time I checked, conroe is dual core. Two gigs of ram is also more than enough for my uses. Its not an issue of graphical anomalies (ie tears in picture due to no vertical sync) its a fact that there needs to be a patch or a driver hotfix because obviously the issue lie within there, as your system even failed to launch the game. That is what i believe is causing my system to crash. Why you think vsync is the cause of my system crash I have no idea. Also, xp64 is a fantastic operating system. I need not compromise anything as whatever I do in win32 i can also do in win64, not to mention the fantasic stability even with CATALYST 7.10. Other than these issues it runs like a champ in vista 32 bit. Everything is on high and is running on, as said earlier 1680x1050 with 20-25 fps average, little jumps and slumps here and there as would on any system. I'm not trying to steal your thunder or be arrogant or anything, thats just how it is.
peace
Dear "Dude" guy,
I only ment to help, my friend, no need to get all hyped up. I may have wrongfully read your CPU info and missed that you had a dual core (as oppose to singlecore) so I will apologize for that. However, I would still recommend runing XP-32bit as oppose to XP-64bit as you are not benefiting from its features given your system.
You also sort'of proved my point as you mentioned that 2 gigs of RAM with a DUO processor was plenty for you...and i'll say for most of us in fact. In XP-32bit, your hardware will be able to provide you with best frame rates and gaming performance. Mind you that given your system, Vista 32-bit is your ultimate choice in as an OS if you want the best quality/performance in gaming.
What I ment to say earlier was: In your current XP-64bit, your operating system "should" make your hardware more efficient BUT with third parties writting their own 64-bit drivers, you will find your hardware performing at less or equal performance to the 32-bit drivers in many cases. So what I was saying is in theory, 64-bit IS better but in practice, is equal to worst given your hardware. As for your system, you have an awesome PC. However, XP-64bit was created for PCs using lots and lots of ram (servers with 8 gigs and more and with CPUs designed for servers). Therefore, most companies selling hardware to regular pc users or even gamers were not investing in writting top of the line drivers for the XP-64 bit version. Very few people were using 64-bit as a regular user and the hardware would not even benefit from a 64-bit driver. So they started writting drivers that were using their own emulators of the 32-bit version or the emulator the operating system would use making the actual 64-bit drivers. Keep in mind that some companies did actually write 64-bit drivers that took advantage of the X64 systems.
With today's needs, many hardcore gamers will need more than what 32-bit can offer. In fact, 32-bit will become the regular level users in around 2 years while gamers will be needing 64-bit. The amount of RAM needed for the next generation gaming platform will be more than 2 gigs of RAM and a lot more than 512mb VRAM. Hence, if you combine a SLI 2900xt (2x512mb VRAM) and 4 gigs of DDR3 RAM, 32-bit would only recognize about 3.3 gigs of ALL RAM combined = 32-bit is not enough. You have 2 gigs of RAM + 512 VRAM = 2.5 gigs total RAM and 32-bit meets your needs. Why would you go 64-bit? Well perhaps if you upgrade but wait, you mentioned 2 gigs was enough for your needs. See my point? The faster multi-threading is still a valid benefit when using 64-bit given your machine but you may have a lot more negative factors such as poor drivers and the fact that most coding is in X86 and forces you OS to operate with its own emulator and these will give you an overall performance that is poorer than using 32-bit.
You had mentioned your game crashed after playing for a few minutes. I looked at your Videocard (ATI Chip 2900XT), a fairly new videocard today, and related to my own experience in Vista-64bit. The 64-bit drivers for videocards have to be rewritten almost entirely unlike other types of hardware where they can use emulators (copies of X86 in X64 format). Given you have a widescreen, i'll assume your Frequency is 60 or 75mhz. As you know, even if you get a 150FPS your monitor can only process the same in frequency = 60 or 75FPS or so. I don't want to explain where the extra FPS goes and how coding can change things but long story short, Crysis or the Catalyst drivers may have had a glitch freezing your game after minutes of playing right? Well, since you can't choose VSync in game, this creates a problems such as a game freezing when your 2900xt creates more FPS than your monitor can handle...coding may create conflicts or bugs with both Catalyst and Monitor drivers (or windows assigned monitor drivers). This means that both Crysis, or ATI Catalyst, or your monitor drivers (if you installed them) can be responsable for your game crashing. So I will diagnose this like Dr. House and say that forcing VSync migh have fixed your freezing as it did for me when I use Vista 64-bit.
Regardless, you should see most of those bugs fixed in the actual game release November 16th.
Alex