Re: AMD K6-266 vs. Cyrix MII-400GP @ 263 Mhz

Posted on 2011-05-09, 03:05

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Thanks for the link, I'll give Jan a call. How did you determine that linear burst wasn't working on the MII cpus? Is this a factor of all i430TX chipsets? Do some BIOSes have a workaround for this to enable LINBRST functionality? The oddity I've noticed with MII's and cyrix MX cpus is with CTCM, it …

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Re: VA-503+ Super 7 build

Posted on 2011-05-09, 02:52

by

by feipoa

in Marvin \ System Specs

in Marvin \ System Specs

Oh, I see why; a comma snuck its way into the url. I've added a space to the above link, you can click it now. The location is kittycorner from the keyboard connector and cpu socket.

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Re: VA-503+ Super 7 build

Posted on 2011-05-08, 21:32

by

by feipoa

in Marvin \ System Specs

in Marvin \ System Specs

Did you look at the photo link I sent? I don't see any chips on the top right of that photo, but there are two on the bottom right, the very bottom right chip is likely the clock gen PLL chip. If you are referring to that chip, then thx for the info. I'll look it up soon, but I think the pin count …

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Re: 486 PCI chipsets comparison

Posted on 2011-05-08, 15:20

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Just looking at the date stamp on your north/southbridges, your board is half a year newer than mine. Thanks for the AWARD files, I'll check it out since my 433 is flakey. My board has an all plastic ZIF handle, while yours looks to be metal. Also, I didn't see an option in the AWARD BIOS for …

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Re: VA-503+ Super 7 build

Posted on 2011-05-08, 14:59

by

by feipoa

in Marvin \ System Specs

in Marvin \ System Specs

@nemesis Do you mind sending me a high resolution top view image of that FIC motherboard? I want to grab the part number off the frequency generator. Alternately, could you read off the part number from the frequency generator IC? It is difficult to tell from this image, http://www.fic.com.tw/ …

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Re: AMD K6-266 vs. Cyrix MII-400GP @ 263 Mhz

Posted on 2011-05-08, 13:49

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Found a few other settings, the tally on this 430TX is now: FSB (Mhz) 50 55 60 66 75 83 Multiplier (x) 1.5 2.0 2.5 3.0 3.5 4.0 4.5 So using PC100 SDRAM over PC66 or SIMMs, it may be possible to run a cpu, without circuit mods to the board, at 83.3 x 4.5 = 375 Mhz, or an AMD K6-380. This is pretty …

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Re: AMD K6-266 vs. Cyrix MII-400GP @ 263 Mhz

Posted on 2011-05-08, 10:49

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

There may be more voltage options, but I'm not sure if any other voltage is of interest for early-to-mid date socket 7 cpus. It is fairly straight forward to modify the voltage regulators anyway. What other voltages are of interest for socket 7 cpus below 300 Mhz that are not in that list? The …

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Re: VA-503+ Super 7 build

Posted on 2011-05-08, 06:09

by

by feipoa

in Marvin \ System Specs

in Marvin \ System Specs

With this motherboard, I've noticed that sometimes things appear to run great, and at other times it has the flu. Maybe mine had cancer. Do some long-term stability tests (1-2 yrs). What FPS do you get for quake 1.06 timedemo 1?

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Re: AMD K6-266 vs. Cyrix MII-400GP @ 263 Mhz

Posted on 2011-05-08, 06:03

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I think I have found the answer (I ran some tests). Cyrix MII-400GP @ 262.5 Mhz Quake Timedemo demo1 (fps): 42.4 Doom Timedemo demo 3 (fps): 103 3DBench 1.0c: 363 Pcpbench: 30.2 Cachechk v4 (L1,L2,RAM (MB/s)): 1092, 227, 118 DHRY1OD (VAX MIPS): 402 LINPCOD (MFLOPS): 28 WHETCOD (MFLOPS): 123 …

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AMD K6-266 vs. Cyrix MII-400GP @ 263 Mhz

Posted on 2011-05-08, 02:12

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I have an AZZA PT-5IT socket 7 motherboard (not a super7). It has 512 KB pipeline burst write-back cache that can accept 256 MB SDRAM (DIMM) or 256 MB EDO RAM (SIMM). Of course, it can only cache up to 64 MB as there is no write-through option in the BIOS. It uses the Intel 430TX chipset and has …

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Re: 486 PCI chipsets comparison

Posted on 2011-05-08, 00:20

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I admit, I haven't seen an AWARD-based 433, and I've had 4 AMI-based ones in the past. Would you mind uploading an image of the top and bottom of the motherboard? You even have the option to change L2 to WT! I don't see the EDO option in the BIOS. The 433 manual specifically states that it needs to …

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Re: 486 PCI chipsets comparison

Posted on 2011-05-07, 13:08

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Can you type out all the markings on your UMC northbridge and southbridge chipsets? Do you have a HOT Shuttle 433 rev. 4? Rev 4 supports EDO. I suspect your chipset reads something like UMC8881F-Exx, the E is for EDO. How'd you land a rev 4 board? I'd like to get my hands on one. I only have rev 1-3 …

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Re: DVD hardware decoder cards

Posted on 2011-05-05, 14:32

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

To answer my own question, yes you can play DVD movies on a pci-based 486 using a Creative DXR2. My 486(s) have the UMC 8881/8886 chipset. I used a Cyrix 5x86-120 during this test. I tested the card in Windows 98SE and Windows NT4.0 with a SCSI DVD-ROM and an IDE DVD-ROM. The SCSI DVD-ROM was SCSI2 …

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Re: VA-503+ Super 7 build

Posted on 2011-05-05, 10:17

by

by feipoa

in Marvin \ System Specs

in Marvin \ System Specs

Is your motherboard a refurbished? I've had bad luck with FIC refurbished VA-503+ motherboards, even those refurbished by FIC.

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Re: Texas Instruments 486SXL2-50 or TX486DLC/E-40GA

Posted on 2011-05-05, 02:09

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

So I am supposedly able enable the L1 cache with this program by Paul Gortmaker. I use the src_ms version with command cyrix -e -f -i1 -r with a Texas Instruments (Cyrix) TX486DLC/E-40GA with markings: 9429FTB6. I assume this is fab date 29th week, 1994. I get the following results in: Landmark …

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Re: UMC chipset PCI 486 mobo. AMD P90 CPU options?

Posted on 2011-05-04, 22:06

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

What is the latest bios for MB-8433UUD rev. 2 and where can I find it? @udam_u I have attached two SST BIOS versions, one from March 26 1996, the other from May 20 1996. Use at your own risk. If your BIOS chip has a ~7 mm hole on the top, you cannot flash it as far as I know. You may even ruin the …

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Re: Texas Instruments 486SXL2-50 or TX486DLC/E-40GA

Posted on 2011-05-04, 13:25

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Found it here, ftp://ftp.eunet.bg/pub/simtelnet/msdos/sysutl/cyrix100.zip

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Re: Texas Instruments 486SXL2-50 or TX486DLC/E-40GA

Posted on 2011-05-04, 10:24

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Will it work with the TX486DLC/E? Have you tried it? What is the name of the program? Do you have a link?

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Re: Texas Instruments 486SXL2-50 or TX486DLC/E-40GA

Posted on 2011-05-04, 10:12

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

What's the name of the program? Can you upload it or send a link? Have you tested the workability of the program via Speedsys, cachechk, or with similarly minded applications?

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Re: Cyrix 5x86-133 Testing

Posted on 2011-05-04, 09:00

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

@rg100 Why do you consider the 128 MB tests to be risky? The difference between 3.0 and 3.1 was that 3.1 has the SST style BIOS update (I think it has an eyelet on the BIOS chip) and 3.0 has the intel-style update (no eyelet). 3.1 has a socketed RTC, while 3.0 is soldered. Our BIOS revision dates …

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