Topic CX5_FAQ from CPU FAQ base


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SU.HARDW.PC.CPU (2:5020/299) SU.HARDW.PC.CPU From : Sergey Kutikin 2:5020/324.16 Thu 21 Nov 96 04:56 Subj : Cx5x86 FAQ p ! , - p : :) -----------------------------------><------------------------------------- Frequently Asked Questions about the Cyrix 5x86 Processor * What is the Cyrix 5x86 processor? * What are the features of the Cyrix 5x86 processor? * Will the Cyrix 5x86 processor run my existing software? * Is the Cyrix 5x86 processor certified for Windows'95? * What is the performance of the 5x86 processor? * Can I use the 5x86 to upgrade my 60 MHz Pentium processor? * Can I use the Cyrix 5x86 processor as an upgrade for my 486 computer? * Does the 5x86 have an internal math coprocessor? * Why is the 5x86 processor sometimes classified as a 486? * When I run 3D Studio and Clipper on my 5x86-based PC, the programs are stalling. What's the solution? * What motherboards will work with the Cyrix 5x86 processor? * What clock speeds are currently available? * What is the current pricing of the 5x86? * How can I purchase the Cyrix 5x86 microprocessor? * Which PC manufacturers will be using the 5x86 in their PC systems? * What if I have more questions? Q. What is the Cyrix 5x86 processor? A. The 5x86 is a fifth-generation processor for today's mobile and desktop PC systems. Its dynamic features achieve compelling system performance while consuming only half the power of competing processor alternatives. Q. What are the features of the Cyrix 5x86 processor? A. Key features include superpipelining, branch prediction, decoupled load/store unit, 80-bit floating-point unit, 16-KByte unified write-back cache, and dynamic power-saving features. Q. Will the Cyrix 5x86 processor run my existing software? A. Yes. The 5x86 is compatible with x86 software and all popular x86 operating systems including Windows 95, Windows, Windows NT, OS/2, DOS, Solaris, and UNIX. Q. Is the Cyrix 5x86 processor certified for Windows 95? A. Yes. Cyrix tested the 5x86 processor on hundreds of x86 software applications to ensure compatibility with new and existing software. Additionally, the 5x86 processor has been certified Windows 95 compatible by Microsoft. We're licensed by Microsoft to use the "Designed for Windows 95" logo. Q. What is the performance of the 5x86 processor? A. The 120 MHz 5x86 processor runs Winstone 96 with a rating of 47.1 while the100 MHz 5x86 processor achieves 41.1. See the full 5x86 performance benchmarks chart for full details. Q. Can I use the 5x86 to upgrade my 60 MHz Pentium processor? A. No. The Pentium processor fits in a P54C socket while the 5x86 fits a P24D socket. Q. Can I use the Cyrix 5x86 processor as an upgrade for my 486 computer? A. Cyrix doesn't sell the 5x86 processor as an upgrade processor. Though it's installed in a P24D socket on a 486 motherboard, the motherboard must have a BIOS that will support the 5x86. Older BIOS configurations will not support the 5x86 processor. However, Evergreen and Gainbery offer 5x86 upgrade solutions for 486 PCs. Q. Does the 5x86 have an internal math coprocessor? A. Yes. The Cyrix 5x86 processor has an 80-bit FPU, one of the fastest available. Q. Why is the 5x86 processor sometimes classified as a 486? A. The 5x86 processor is a competitive fifth-generation processor. The design goal was to develop a processor with fifth-generation architecture and performance, while utilizing the low-cost, market-ready, 486DX4 motherboard footprint (32-bit platform) -- and the same low cost chipsets and motherboards. This is why many key analysts -- and the Windows 95 "My Computer" icon -- place the 5x86 processor into the 32-bit platform category. At the same time, these same key analysts have written many articles concerning the performance and positioning of the 5x86 processor, stating that it's clearly a fifth-generation processor with the ability to outperform competing alternatives. Q. When I run 3D Studio and Clipper on my 5x86-based PC, the programs are stalling. What's the solution? A. Both 3D Studio and Clipper Applications use software timing loops in the code. The 5x86 processor executes these loop instructions faster than previous x86 CPUs which interferes with timing dependent code in both software programs. Solution: Download the pipeloop.exe file and put it in your autoexec.bat file. This utility inserts a delay in the loop instruction. The utility is not memory resident. NOTE: This file may not correct all timing issues. Other solutions will be listed when available. Q. What motherboards will work with the Cyrix 5x86 processor? A. A current list of compatible motherboards is available. Please contact the Cyrix Processor Support Desk for further information. Q. What clock speeds are currently available? A. 100 MHz and 120 MHz processors are available. Q. What is the current pricing of the 5x86? A. Prices are subject to change. Current pricing (as of 3/5/96) is $120/120 MHz and $65/100 MHz processors. All prices are in quantites of 1,000. Please contact the Cyrix Processor Support Desk for further information. Q. How can I purchase the Cyrix 5x86 microprocessor? A. Computer manufacturers around the world can buy in volume quantities directly from Cyrix. PC integrators, VARs, dealers, resellers, and retailers can purchase Cyrix processors through an independent Cyrix U.S. distributor or worldwide distributor. End users can purchase a computer that uses the 5x86 from local PC dealers. There is more information available on purchasing Cyrix processors. Q. Which PC manufacturers will be using the 5x86 in their PC systems? A. EPSON and AST Computer are among the desktop manufacturers while IBM, Acer, Sharp, NEC, Canon and EPSON are several notebook manufacturers. Q. What if I have more questions? A. Please contact the Cyrix Processor Support Desk. --------------------------------------------------------------------------- Copyright (C) 1995-1996 by Cyrix Corporation. Updated April 23, 1996, Richardson, TX, U.S.A. -------------------------------------><------------------------------------ P.S. pp Cx5x86 Vcc=3.6V - ,p p p pp(, , pp). p ,, p, p. Best regards,Sergey --- GEcho 1.11+ * Origin: Net v zhizni schastya... (2:5020/324.16)

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