Re: Old mainboard, modern PCI GFX card?

Posted on 2015-10-02, 07:38

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Thanks Swaaye; I had forgotten about that [recent] work already. In short, the graphics card performance depended on the resolution, game, driver revision, and OS. The FX5500 outperformed the GF2MX400 in 3DMark2000 at higher resolutions (1152x864), but not at lower resolutions (800x600). In Final …

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Re: DVD player for Cyrix MII, Rage PRO on Windows ME

Posted on 2015-09-30, 07:36

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

the slower FPU is no real hinderance & I just like the fact they are different. If you really wanted to play in left field, try a RiSE MP6. They work in socket 7 motherboards. I have never run into anyone who had a used this CPU back in the day. I have a system built around a Cyrix MII-433 (300 MHz …

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Re: SetMul - Multiplier control for VIA C3 / AMD K6 Mobile / Cyrix 5x86

Posted on 2015-09-30, 04:17

by

by feipoa

in Release Announcements

in Release Announcements

Fortunately, I have a cased MediaGX system to test with :) These are the MediaGX docs I have been able to find, Cyrix MediaGX Data Book - 304 pgs Cyrix MediaGX Data Book Addendum - 13 pgs National MediaGXm Data Book - 244 pgs For whatever reason, my L1 cache is listed as being in write-through mode, …

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Re: DVD player for Cyrix MII, Rage PRO on Windows ME

Posted on 2015-09-29, 22:55

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

The software that I'm running is InterVideo WinDVD 1.3.5c2 it's kinda of hard to find :( ... and if that's a super socket 7 system, maybe only using 64mb or 128mb of ram will speed things even more than 512mb (cacheable área, it depends of your chipset and cache) If my research is correct, the ALi …

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Re: Dual 386 Motherboard??????

Posted on 2015-09-29, 22:33

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by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

3886_junkie - Will it run with dual 486DLC or 486SXL chips?

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Re: SetMul - Multiplier control for VIA C3 / AMD K6 Mobile / Cyrix 5x86

Posted on 2015-09-29, 22:24

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by feipoa

in Release Announcements

in Release Announcements

How do I set HLF_CLK in SETMUL? Would it be, Copy code to clipboard 1 setmul 0.5 ? Also, have you thought about adding the Cyrix MediaGX to Setmul? There's quite a bit of documentation on th at chip.

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Re: Why no 486 to 386 socket adapter?

Posted on 2015-09-29, 22:22

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by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

vmunix, nice work. What program did you use to benchmark those processors? Curious that the integer add/sub. on the Am486-100 is faster than on the Cyrix 5x86-100. Which register settings are you using for the Cyrix and which Am486 did you use? My results show that only the Am486-100 with WB cache …

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Re: SetMul - Multiplier control for VIA C3 / AMD K6 Mobile / Cyrix 5x86

Posted on 2015-09-29, 07:54

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by feipoa

in Release Announcements

in Release Announcements

gerwin, yes I was refering to you. Don't know how the Vetz got in there - I was probably viewing multiple threads. 3x was deliberatly not listed in my post. A 4x-capable Cyrix 5x86 chip, when booted in 4x mode, can only switch between 1x, 2x, and 4x, not 3x. A 4x- or 3x-capable Cyrix 5x86 chip when …

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Re: Loving my new 486!!

Posted on 2015-09-28, 23:13

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

feipoa, How does Cyrix 5x86-100GP compare to 5x86-133? Are they the same chip with different multipliers or is 133MHz version unique? They are the same chip with different multipliers. There are some Cyrix 5x86-100 chips which also have a 4x multiplier, but they will not function reliably at 133 …

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Re: SetMul - Multiplier control for VIA C3 / AMD K6 Mobile / Cyrix 5x86

Posted on 2015-09-28, 22:18

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by feipoa

in Release Announcements

in Release Announcements

I have confirmed that SETMUL correctly sets the multiplier, in any order, between 1x, 2x, and 4x on Cyrix 4x-capable CPUs. I have used CHKCPU to confirm the internal CPU speed. Note that CHKCPU incorrectly displays the multiplier and FSB after using SETMUL or the Evergreen utility to change the …

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Re: SetMul - Multiplier control for VIA C3 and AMD K6 Mobile

Posted on 2015-09-28, 10:56

by

by feipoa

in Release Announcements

in Release Announcements

I have modified SetMul to tinker with the multiplier options which are mentioned in the 5x86 Datasheet. The good news is that one can toggle between the bootup multiplier and 1.0x anytime, but seemingly that is about all it can do. It won't do any switching between 2.0x, 3.0x or 4.0x. There is no …

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Re: 386 crashes a lot (restarts) when playing certain games - Help!

Posted on 2015-09-28, 09:37

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Some additional ideas. 1) Disable your L2 cache 2) Run MemTest 86+ v4.00 3) Disable L1 cache. What are you using to enable it? 4) What speed is your ISA bus running at? Ensure it is 7-9 MHz. Try the Keyboard clock of 7.1x MHz for the ISA bus. I recall one motherboard I used at the ATBCLK divisor for …

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Re: Loving my new 486!!

Posted on 2015-09-28, 08:31

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

If you want to max out your 486 VLB system, I suggest going for 1024K cache. It is a novelty more than a performance enhancer. With some online inniative, you should be able to source each cache module (128kx8) for around $1.x USD each, before shipping. As your motherboard has a PS/2 header, I …

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Re: The World's Fastest 486

Posted on 2015-09-24, 21:21

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Branch prediction works with both revisions of the Cyrix 5x86 in DOS. Stepping 0, Revision 5 is pseudo-stable with branch prediction in Windows. The stability also seems frequency-dependent. The talk has beent hat Stepping 1, Revision 3 is stable in Windows, however I have yet to perform a detailed …

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Re: Biostar MB-8433UUD-A

Posted on 2015-09-21, 22:12

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

You are refering to the FSB selection jumpers that control which pin out of the PLL chip is used. I don't recall what the extra 4th solder pad jumper is for. I left mine unsoldered.

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Re: Biostar MB-8433UUD-A

Posted on 2015-09-21, 16:28

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

What do you mean by 4th oscillator selector? I am using 1 MB cache in my mod. This board only accepts up to 512 KB, single-banked cache.

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Re: Biostar MB-8433UUD-A

Posted on 2015-09-21, 07:18

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

If you cannot upgrade your BIOS, then your L2 cache will be stuck in write-back mode. If you are using 256 KB of cache, then 32 MB is the most that is cacheable. To install more RAM than is cacheable will reduce system performance. In which case, a single stick of 32 MB FPM would suffice.

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Re: Biostar MB-8433UUD-A

Posted on 2015-09-20, 03:11

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Any CPU which runs with a 40 MHz front-side bus. If you want to use 40 MHz, it is best to use only 256 KB of double-banked L2 cache so that you can keep your L2 timings as fast as possible. Also, FPM memory was the most reliable in this circumstance. The least amount of sticks the better. I …

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Re: Biostar MB-8433UUD-A

Posted on 2015-09-19, 05:18

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Looks like your turbo is functioning as it should. If you plan on maxing out your RAM or using FSB's above 33 MHz, you should use FPM RAM.

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Re: Why no 486 to 386 socket adapter?

Posted on 2015-09-18, 18:08

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

What about this? http://www.cpu-cn.com/en/showpic.asp?id=1169&no=1 This is a 144pin QFP 3.6 Volt part. The 132pin socket for 386DX cpu needs 5V. So you need either a special motherboard and / or an interposer socket. The fastest standard drop in PGA132 part of the SXL range is the SXL2 50MHz. I …

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