The BIOS I downloaded is TXP4 Beta BIOS 0112.001 and I also got win9x. They have two other versions as well the TXP4 BIOS 0109 and TXP4 BIOS 0108 now I'm confused folks.

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"L2 Cache 0" Adding some L2 cache will give you a far bigger performance increase than overclocking ever will. Just look around local computer shops; most of them around where I live have old Cache-on-a-stick (COAST) cache that work with most P-MMX systems. They usually give them away for free. Check out my flickr stream.

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L2 is a great idea I did not know you could do that so um how exactly do you do that?

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It is not that hard if you have the mysterious (CELP) slot that it requires on your motherboard, ususlly you'll find it sitting away from all the other slots. If you do not have one, you might as well forget "coasting" this cache dilemma away. Overall I am not sure what a 12% overclock will do for your MMX rig and why you are bent on this rigamarole.

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thanks my obsession is the fact that I want to build a x6800 set up and this thing is cheaper to practice on Besides I like the sims and any help I could give would be great as that game is almost an OS in itself

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You'd be better off to try and use a K-6 processor than trying to squeeze a few percent out of this relic, although popping in a cache module (if possible) will make a difference OC'ing this thing is not going to teach you a great deal about modern rigs Diplomacy is the art of saying 'Nice doggie!'... till you can find a rock

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The TXP4 has 512K L2 out of the box. None can be added. It is capable of running a K6-2+ or K6-3+. There is a BIOS here that adds support for the plus series K6-2, displays the proper speed at 500 MHz, and supports up to 128 gigabyte harddrives. Meory cacheing isn't an issue with the K6-2+, because the memory is cached by the CPUs on die L2. Just for fun, I put one of these together last weekend using a K6-3+. It runs Windows 2000 nicely, and is capable of smooth playback of DVDs. As usual for these motherboards, the 83 MHz bus speed was not a problem.

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Tom's Hardware had a guide for running the K6-2+ on the even older Asus P55T2P4. Most of the same information applies to your motherboard. In order to run a modern K6-2+ at 500 MHz, it is necessary to set the system clock above the official specification. On most boards the jumper settings are noted for all clock rates up to 75 MHz. The highest possible clock rates of the P55T2P4 series are 83 MHz and with this frequency the highest performance is achieved. We must clearly point out here that in this case the PCI bus as well as the ISA interface are significantly overclocked. Because of the higher PCI clock of 41.5 MHz (instead of the default 33 MHz) some older graphics cards might run into problems. A potential problem that I have never encountered though I have built at least ten systems using HX/TX chipsets run at 83 MHz.

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