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Re: Finally got my K6-2+ 500, did some Benchmarks.

Posted on 2012-01-27, 06:35

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Yes, the UMC 486 boards seem to have an 83 MHz setting. I discovered it with my osciliscope. The signal swing isn't very large though. Are you sure the AMD DX4-120 runs at 4X on the 2X setting? I'd be really surprised if that was the case. I'm counting on the AMD DX4-120 actually recognising 2X as …

Re: Cyrix appreciation thread

Posted on 2012-01-26, 17:52

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Too bad. I'd only be convinced with tests performed on the same system with similar hardware and results which averaged over a range of different tests. I was meaning to begin this next socket 7 UBC but keep getting side tracked with seemingly easier projects. I had a HOT-433 running fine and dandy …

Re: Finally got my K6-2+ 500, did some Benchmarks.

Posted on 2012-01-26, 17:42

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

My initial tests at 83 MHz were stable (on the TX board). Sometime between now and the next 10 years, I'll so some long-term stability testing at 83 MHz with a Cyrix. I'm still trying to source a suitable candidate to test out my UMC board at 83 MHz. I'd need a CPU which recognised the 2X multiplier …

Re: A look at my Retro PC Collection, 486's and more.

Posted on 2012-01-26, 17:37

in Marvin \ System Specs

in Marvin \ System Specs

You own one of these, http://www.chipdb.org/img-amd-a80486dx4-100sv16b-247.htm or these, http://www.chipdb.org/img-amd-am486-dx4-100v16bgc-251.htm I think these chips were pretty uncommon. If you own one, could you check for the 2x setting working as a 4x setting? If that is the case, then perhaps …

Re: A look at my Retro PC Collection, 486's and more.

Posted on 2012-01-26, 15:20

in Marvin \ System Specs

in Marvin \ System Specs

If it were a dummy X5, I'm not sure how AMD changed the multiplier recognition post-production.

Re: Cyrix appreciation thread

Posted on 2012-01-26, 15:18

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Tetrium wrote: I have a thing for Cyrix. Just benchmarked an MII @ 300Mhz yesterday How did it compare against an Intel 233MMX, AMD K6-300, AMD K6-2-300, and an Intel PII-300? Did you try 333 MHz and behond?

Re: Finally got my K6-2+ 500, did some Benchmarks.

Posted on 2012-01-26, 15:15

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

You can systematically try all FSB jumper combinations in search of the 83 MHz setting.

Re: Quantum3D AAlchemy 8232

Posted on 2012-01-26, 04:36

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Umm, no thanks, don't care to double back, editing my own post too. Would just seem like a childish waste of time for me. Good thread conversion though regardless, going from a total violation of rules with your ebay sale for the Quantum3d, to a Cyrix fan thread. :P Not that you needed to convert …

Re: A look at my Retro PC Collection, 486's and more.

Posted on 2012-01-26, 01:27

in Marvin \ System Specs

in Marvin \ System Specs

I saw that auction and inquired if there was a MII-433GP in the lot, but I was told there wasn't. I suppose people are buying up the gold chipped CPUs in anticipation of gold prices going even higher. There is supposedly a 16 KB cache enhanced version of the AMD DX4-100 as well.

Re: A look at my Retro PC Collection, 486's and more.

Posted on 2012-01-25, 22:35

in Marvin \ System Specs

in Marvin \ System Specs

nemesis wrote: Especially the IBM 5x86 (I have 3 myself now). And so begins the Cyrix CPU hoarding. My master plan to artificially inflate the Cyrix 5x86 prices seems to be working! I will soon be rich and buy my own island!

Re: Finally got my K6-2+ 500, did some Benchmarks.

Posted on 2012-01-25, 22:26

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

There seems to be some confusion. I am refering to the PCI expansion cards themselves supporting 66 MHz operation, not the motherboard. While wiki mentions 66 MHz support being added in PCI 2.1, I cannot say for certain if all PCI 2.1-era expansion cards support 66 MHz operation. I am pretty sure …

Re: Please delete: Quantum3D AAlchemy 8232

Posted on 2012-01-25, 12:17

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

For some reason, I cannot stop gazing at your Cyrix avatar; It looks so bold and full of confidence. Are you also running a classic Cyrix system?

Re: Finally got my K6-2+ 500, did some Benchmarks.

Posted on 2012-01-25, 09:12

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The PLL clock generator on my Intel TX board can support both synchronous or asynchronous PCI bus operation, whereby the synchronous PCI clock will be some scalar multiple of the FSB, and asynchronous PCI clock will be a fixed 32 MHz no matter what FSB is being run. Asynchronous operation is enabled …

Re: Finally got my K6-2+ 500, did some Benchmarks.

Posted on 2012-01-24, 10:41

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Same here; lots of stuff in the pipeline for testing. I happen to have a Cyrix MII-366GP at 2.2v and one at 2.9v. I'm curious to compare their overclockabilities. I also want to compare the overclockability of the Cyrix MII-400GP 2.2v with the MII-366GP 2.2v. I'm confused why Cyrix bothered to …

Re: Finally got my K6-2+ 500, did some Benchmarks.

Posted on 2012-01-24, 01:53

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

That's too bad; the MII-366, 400, and 433 chips with 2.2V markings are rumoured to be the overclockable units. Anyone have any luck with an MII at 333-400 MHz for continuous stable operation?

Re: Finally got my K6-2+ 500, did some Benchmarks.

Posted on 2012-01-23, 22:01

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

2.9V or 2.2V Cyrix MII-366GP?

Re: Bought these (retro) hardware today

Posted on 2012-01-23, 07:52

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I scavenged some old PCs in the scrap pile at work today, and I not so much bought but acquired (legally) several pieces to beef up my CPU collection. http://farm8.staticflickr.com/7175/6693581605_7c8bec83e7_b.jpg I got: AMD 80286-12 Intel 386DX-33 IV (Some bent pins) i486SX-33 (Surface mount on a …

Re: A look at my Retro PC Collection, 486's and more.

Posted on 2012-01-23, 07:24

in Marvin \ System Specs

in Marvin \ System Specs

Nice collection there. Sorry to heard about the Cyrix 5x86 give-away. I think I see a Chicitta banana sticker on #5. That's original. It would be nice to eventually match up the white with the whites and the beige with the beiges.

Re: Shuttle HOT-433 with 1 MB cache

Posted on 2012-01-22, 08:05

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Tetrium wrote: I got a bunch of weird looking SIMM's. Perhaps will take a pic tomorrow. Several 'tomorrows' have now passed. Any luck with the photos?

Re: Dual Boot: Win98 and OS/2 Warp 4

Posted on 2012-01-21, 06:50

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Some kind of boot manager, I'd assume. I don't have any recommendations though.

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