Re: Fastest Tualatin Chipset / Best Pentium III Motherboard

Posted on 2019-01-04, 12:16

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Two reviews available: Early (no direct comparison with DDR chipsets) but extensive- https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=2ahUKEwjlxN-XitTfAhWBZlAKHRgjBQ4QFjABegQICBAB&url=https%3A%2F%2Fwww.anandtech.com%2Fshow%2F715%2F19&usg=AOvVaw3iS6Ro6BlT_ …

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Re: Fastest Tualatin Chipset / Best Pentium III Motherboard

Posted on 2019-01-04, 10:27

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Any idea how much worse the Serverworks III HE-SL is? Its memory performance is spectacular, but the he AGP implementation is abysmal, buggy and slow, sort of like ALi Aladdin V before the new drivers. Oh, and same applies to its IDE - on paper it's ATA-33, but in practice it's slower than PIO-4 …

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Re: Fastest Tualatin Chipset / Best Pentium III Motherboard

Posted on 2019-01-04, 03:20

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Nice work. This must have taken 6 months or more. [humor] *scoffs derisively* Single cpu boards, and the title reads Fastest Tualatin Chipset / Best Pentium III Motherboard [/humor] But in all seriousness, this looks awesome! That 440BX chipset is a absolute beast as is it almost always #1 or #2. A …

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Re: Retrobrite + grow light

Posted on 2019-01-02, 20:38

by

by feipoa

in Milliways

in Milliways

Saw that video. He's using bulbs which emit blue or purple light, so perhaps there is UV as well. Need a spectral graph. His youtube page says "without UV", but how do we know those bulbs don't emit any UV?

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Re: NS Geode GX1 / Cyrix MediaGM - Double sided memory required?

Posted on 2019-01-02, 12:51

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Yes I did.

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Re: NS Geode GX1 / Cyrix MediaGM - Double sided memory required?

Posted on 2019-01-02, 09:35

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I am, but I had to set the SDRAM divisor to 4 instead of 3, which slows down the system RAM compared to using the 266 MHz chip. I can keep the SDRAM wait state at 2T though (insead of 3T). By way of comparison, cachechk shows that the RAM read speed is: 266 MHz with 2T & Div3 = 148 MB/s 300 MHz with …

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Re: Retrobrite + grow light

Posted on 2019-01-02, 09:12

by

by feipoa

in Milliways

in Milliways

Well, I didn't expect to get it right the first time. I'm still looking for a D509V3 floppy drive bezel though. The majority of whitening is done in the first hour under the 400 W bulb. I might whiten my other case bezel shown above with "586" across the case badge.

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Re: Retrobrite + grow light

Posted on 2019-01-02, 07:50

by

by feipoa

in Milliways

in Milliways

I have this yellowed bezel I've been keeping for years, hoping one day to retrobrite it and use it on my case which case cracks on its bezel (the case on the right). After 2 hours in the grow light with some Salon Care 40, this is what it looks like. No splotching. When I hold it up to the painted …

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Re: Dual CPU Socket 5/7 Boards

Posted on 2019-01-01, 13:22

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Did you try a PCI sound card?

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Re: Retrobrite + grow light

Posted on 2019-01-01, 12:30

by

by feipoa

in Milliways

in Milliways

Stove-top seems to be the way to go if you have plenty of hydrogen peroxide. Perhaps it can be saved up and reused? Something else I'm noticing is that it may be impossible to get every item in the expansion bays the same colour. Often things like tape drives, PCMCIA readers, floppy drives, CD-ROM's …

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Re: Retrobrite + grow light

Posted on 2018-12-31, 10:17

by

by feipoa

in Milliways

in Milliways

Attached are the results. The tape drive bezel came out fine, as did the DVD drive bezel. They reached a point in which they would not brighten any more. As for the 5.25" floppy bezel, you can see that it ended up splotchy. Depending on how fussy one is, you could call it ruined. I might try …

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Re: Retrobrite + grow light

Posted on 2018-12-31, 01:56

by

by feipoa

in Milliways

in Milliways

I've watched a few of his videos, but didn't see one whereby he was using a 400 watt grow bulb. Some bulbs (those for flowers) don't have spectral peaks in the UV range, but the one I'm using does. When I had the parts 7" from the bulb, after 2 hours, most of the lightening was complete. How long …

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Re: Retrobrite + grow light

Posted on 2018-12-30, 23:37

by

by feipoa

in Milliways

in Milliways

Oh man, I'm having a really difficult time getting the splotching off the 5.25" bezel. You definitely do not want to let the solution dry out. In trying to get the splotching out, I'm reapplying the Salon Care 40 every 45 minutes and putting it back under the light. The splotching goes away, but …

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Re: NS Geode GX1 / Cyrix MediaGM - Double sided memory required?

Posted on 2018-12-30, 12:53

by

by feipoa

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I'm now posting from my system using the GX1-300P. I'm not sure what I did wrong previously, but its working now. This is a 2.0 V chip, so perhaps I forgot to decrease the voltage previously? The GXm chips are 2.9 V. My motherboard supports down to 2.1 V and the GX1 seems to be working at this …

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Re: Retrobrite + grow light

Posted on 2018-12-30, 05:07

by

by feipoa

in Milliways

in Milliways

After 2 hours of round 2, the 5.25" bezel became quite splotchy. I think having it so close to the bulb is drying the solution way too fast, so the areas with higher concentrations of solution dry the slowest, so the dwell time is longer in those zones. Live and learn. I think I need to keep it at a …

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Re: Market value for popular or rare classic computer hardware

Posted on 2018-12-30, 03:34

by

by feipoa

in Milliways

in Milliways

I was browsing around CPU-World this evening and a thread caught my eye, "More rare Intels for auction". It seems that the Cyrix 5x86-133/4x isn't the only chip which fetches a pretty penny. http://www.cpu-world.com/forum/viewtopic.php?t=31702 Intel 486 Overdrive Engineering Sample Q695 sold for $ …

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Re: Retrobrite + grow light

Posted on 2018-12-30, 02:59

by

by feipoa

in Milliways

in Milliways

After 5 hours, the DVD bezel looks back to normal. The 5.25" bezel looks almost there, perhaps 90%. You can still barely see the yellow-to-beige line. The lettering on the Travan 20 tape drive bezel started to bleed and mostly washed off with water. I can still barely see the yellow-to-beige line. …

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Re: Retrobrite + grow light

Posted on 2018-12-29, 22:48

by

by feipoa

in Milliways

in Milliways

I measured the temperature of the items with an IR thermometer. They were sitting only at 21 C, whereas the bulb itself is more like 220 C. I'd like to optimise the process for time, so I'm experimenting with moving the items closer to the artificial sun. Seems like the desired temperature is around …

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Re: Retrobrite + grow light

Posted on 2018-12-29, 21:47

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by feipoa

in Milliways

in Milliways

The bulb puts out a good amount of heat, but its 4' from the target and surrounded by a massive concrete heatsink, so I don't think the items will warm up much. Filename light.jpg File size 236.1 KiB Views 2144 views

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Re: Retrobrite + grow light

Posted on 2018-12-29, 21:41

by

by feipoa

in Milliways

in Milliways

I watched a video in which the guy used standard fluorescent tube lights, the 40 W kind you find on the ceiling of your garage, and the retrobriting worked. Same for black lights. Those don't emit all that much heat. Its not the electric company that I have concerns with, it is nosy neighbours …

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