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I have determined that an old computer has an 430TX chipset. I want to know if it can support an Intel Pentium 233mhz, or an AMD K6 300mhz. It currently has an 100mhz processor. I know that the person really needs a new computer, but he really isn't in the market for a new one.

I think you need to know more than just the chipset to determine what CPU is supported.
make /model of the motherboard would be helpful as the chipset could have been used by a number of different boardmakers. You will need to determine whether the CPU slot is designed for either an intel or amd cpu. It won't fit both.Give a man a fish and you feed him for a day.
Teach him to fish and his wife will never forgive you.

Intel 430TX is limited to 66Mhz. FSB (some boards support 75/83Mhz. FSB for Cyrix CPUs but are uncommon) it has UDMA33 support and USB 1.0. An Intel Pentium MMX 233 will work fine on that board, that boards where the budget systems in the early PII era (before Celerons).
The AMD chip, will be more difficult, you must check its Vcore requirements and see if your m.b. its able to supply it (old K6 work with 2.9 Volts, K6-2 work with 2.2 Volts. and most 430TX boards doesn't support that), you must adjust multiplier jumpers to 4.5x66 (it probably is intended to be run at 100Mhz. FSB but will work at 66Mhz. too).
Hope this helps.

This is just my 2 cents worth. But some people say they aren't in the market because of their cash flow. While this is a bummer, what they are unaware of is you can actually get a newer system for as little as $250 (maybe even less noe I haven't checked lately) by getting an all in one mobo. I know this won't work for some people and still yet others can't afford even that. But maybe if you explain to that person that you can get them a newer system for under $300, they might just change their mind.
When all else fails beat the $%!* out of it!!!

Knowing the chipset number definitely helps, but you need to know the make/model of the board. That way, you can do a search for the manual. Are the jumper configurations printed on the board?
Here's a few things you'll need to know:
- the 430TX chipset only caches 64mb of memory, so for best performance, limit your RAM amount to 64mb.
- the pentium MMX interprets the 1.5x multiplier setting as 3.5x, so to run a 233MMX, set the jumpers to 1.5 x 66mhz. If 75mhz FSB is available, running a 233MMX at 225mhz (3 x 75) is actually faster than the default setting, & it may run at 266mhz (1.5 x 75).
- to run a K6-2, you'd need to be able to lower the CPU voltage to 2.2v. If 2.4v is your lowest setting, you "may" be OK...anything higher than that & you risk burning out the CPU.
- the K6-2 interprets the 2.0x multiplier setting as 6.0x. At 66mhz FSB you could run a 400mhz CPU (2 x 66), or if 75mhz FSB is available, you could run a 450mhz CPU (2 x 75). But only if you can set the voltage to 2.2v - 2.4v
- 83mhz FSB, though it was available on some boards, usually doesn't work because it raises the PCI speed to 41.5mhz
Based on the above, there is no configuration that will run a 300mhz K6-2 at the correct speed. I highly doubt it would run at 400mhz (2 x 66), so you'd be limited 225, 233, or 266mhz
Asus A7N8X-X
2500+ Sempron @ 2100mhz
10.5 x 200mhz @ 1.80v
512mb PC3200
Ti4200/8X 128mb
WDC 60GB

jam, don't you mean 6x66 not 2x66 for 400mhz.
Richard59, your thinking it is a p2 but actually is a p1 so no slot therefore intel, cyrix/ibm & amd cpu will fit board but might not run on board due to bios, voltages, bus speed & ratios
david

"jam, don't you mean 6x66 not 2x66 for 400mhz"
I was debating that when I wrote it, but the actual multipler setting is 2x...there is no "true" 6x setting on an old TX board
Asus A7N8X-X
2500+ Sempron @ 2100mhz
10.5 x 200mhz @ 1.80v
512mb PC3200
Ti4200/8X 128mb
WDC 60GB

I managed to find a utility online after searching for a really long time, that identifies the motherboard. I found that I have a QDI-P5I430TX Titanium I motherboard. It does support an Intel Pentium MMX 233mhz. I even found a setting in the bios that adjusts the CPU frequency, and it goes up to 233mhz. I guess that means I don't have to set any jumpers, right?

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