NVIDIA has the latest 32 bit and 64 bit drivers. For example, you can find Realtek 32/64 bit drivers here for Gigabit LAN and 5.1 audio support. At this point, many motherboard makers have failed to include the latest 5.1 sound and network drivers, and you might have to look to the chipset maker for drivers. The second thing you must check is to see if all your hardware has 圆4 Vista driver support, either included in the OS or downloadable from the hardware vendor. No Intel Pentium M notebook processors have 圆4.No Intel Core Duo notebook processors have 圆4.All Intel Core 2 processors (mobile, desktop, and server) have 圆4.All AMD Turion notebook processors have 圆4.All Intel Pentium D and Celeron D chips have 圆4.All AMD X2, FX, and Athlon64 chips have 圆4.Some higher-end Semprons have 圆4 lower-end Semprons do not.Most mid- to high-end desktop processors from AMD or Intel within the last year have 圆4 capability.Almost all new servers sold within the last two years from AMD or Intel will have 圆4 capability.Here's a simplified summary of the situation: The first thing you must do is to make sure your particular CPU supports 圆4. Now one of the most common questions people ask is whether to run 32 or 64 bit Vista. The retail editions contain both the x86 and 圆4 editions, while the OEM versions contain one or the other and you have to decide before you order. With the release of Vista, Microsoft simultaneously launched the 32 bit x86 and the 64 bit 圆4 editions. The 圆4 editions were hybrid 32/64 bit operating systems that could natively run 32 or 64 bit code at full speeds without software emulation, whereas the 64 bit edition of Windows XP relied on software emulation to run existing x86 32 bit code. The problem was that the adoption rate of IA-64 was very slow, and when AMD created AMD64-with Intel having no choice but to follow-Microsoft created the 圆4 edition of Windows XP as well as Windows Server 2003. There was even a Windows 2000 Server version for IA-64 as well. Microsoft initially created a version of Windows XP called XP 64 bit Edition, a pure 64 bit operating system that ran on IA-64 Itanium and only supported x86 applications through emulation. The two 圆4 technologies are essentially identical except for a few minor differences in the implementation. In a reversal of roles, Intel found itself copying AMD64 (permitted by an AMD-Intel cross-licensing agreement) and calling it EM64T. AMD took the opportunity to extend the existing x86 architecture with 64 bit capability by handling 64 bit CPU registers and adding a lot more registers, and it was immediately greeted warmly by the market. Intel had hoped that the market would leap to the new platform but there was no seamless way of making that migration, and Itanium failed to gain widespread adoption. While Itanium was fundamentally superior, its x86 emulation provided inferior performance for existing applications and the adoption rate was very slow. Intel in partnership with HP had refused to extend the ancient x86 platform and had already committed to its all new pure 64 bit IA-64 Itanium architecture. X64 is the 64 bit extension technology that AMD invented (AMD64) to seamlessly migrate the 32 bit x86 (as in 286, 386, 486 compatible microprocessors) world into a 64 bit era. ![]() Do we go with x86 32 bit edition or 圆4 64 bit edition? I'm going to try to clear that question up as best as I can and explain the pros and cons of each choice.įirst we must understand a little background on what 圆4 is. One of the more common questions I hear about Vista is which bit version of Windows Vista should one get.
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