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What retro activity did you get up to today?

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Reply 30740 of 30754, by Ozzuneoj

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Well, this was not really necessary, but I felt the itch and had to try it.

I was testing some more cards today and came across this super generic and cheap looking "UNION" S3 Virge DX card. When I ran WinTune97 it was clear that this card was abysmally slow for a VirgeDX. It scored 15MP, compared to 35MP for a Diamond Stealth 3D 2000 Pro which runs at 75Mhz and is basically the fastest configuration of a Virge DX.

I had my suspicion that this was caused by the card being configured for 2-cycle EDO mode, which utterly destroys performance vs 1-cycle but increases compatibility with slower memory chips.

I ran Astra32 to get some information about the card and it reported not only that the clock speed was 50Mhz (33% slower than the Diamond), but that it was running 2MB of "FPM"?? I don't know exactly why it reported that, but it reports 1-cycle EDO on other cards, so I figured at the very least this card was not configured for 1-cycle.

After the experience gained from this thread, I figured it was fixable. The chips on this card are Alliance 50ns EDO, which based on Trio64V+ testing should be okay for 1-cycle mode, at least at 50Mhz. It seems the VirgeDX uses the same basic pinout as the Trio64V+, so I was able to find the same pins that toggle 1-cycle or 2-cycle.

Low and behold, they hid them under the BIOS chip, and the resistors were indeed missing! They must have designed this PCB to be stable with far worse memory than this particular card ended up with, so they had to leave it gimped in 2-cycle mode.

So, I did what any "normal" person would do... I found a couple of spare 10k resistors, used my hot air gun and a bit of solder paste and turned this into a 1-cycle card.

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Now, it scores around 27MP in the same test, up from 15! Astra32 now reports that it is using EDO in 1-cycle mode too, so it was indeed successful.

... it's still a junky model of a lame card, but, hey it's significantly faster now. I tried clocking it a tad higher, just to 60Mhz and it started artifacting, so maybe this memory is right on the edge of being good enough for 1-cycle. Either way, I'm happy to have made this thing less awful. 🤣

Now for some blitting from the back buffer.

Reply 30741 of 30754, by nali

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I'm impressed this kind of mod even exist 😀

Reply 30742 of 30754, by PcBytes

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Pushing the Tualatin even further. And it wouldn't have been a coincidence that I had to come across @VooDooMan's thread with the RAM binning.

Great, now I have to add another variable. As if 186FSB wasn't hard enough 🤣

"Enter at your own peril, past the bolted door..."
Main PC: i5 3470, GB B75M-D3H, 16GB RAM, 2x1TB
98SE : P3 650, Soyo SY-6BA+IV, 384MB RAM, 80GB

Reply 30743 of 30754, by Windows9566

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GigAHerZ wrote on 2026-01-20, 10:35:

IIRC, if you connect certain pins on LPT parallel port on your Toshiba laptop, it will erase the bios password. 😉

I already did a while ago, and I just set up a drive in it with DOS and Windows for Workgroups 3.11

Toshiba Satellite 200CDS
Toshiba Satellite Pro 430CDT
Toshiba Satellite Pro 480CDT
Toshiba Tecra 740CDT
IBM Thinkpad 760LD
Nan Tan(Clev0) FMA86T

Reply 30744 of 30754, by eliot_new

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I have bought a bi stable switch for an adapter: AT 2 ATX for my Asus P55T2P4.
Hope it will work.

DOS:K6-3/400,192MB,P5A,Rendition v2200 AGP,Trio64 PCI,3dfx V1,AWE64,ESS1938,PicoGUS,32GB
w98SE:P3/450,768MB,QDI440BX,V3AGP,AWE64,PicoGUS,80GB
wXP:P3/1G,512MB,CUSL2-C,MSIFX5600,Audigy1,80GB

Reply 30745 of 30754, by bakemono

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I added a feature to my disassembler to import symbols from PDB files, based on the spec from Undocumented Windows 2000 Secrets. It works on some old Win 2000 PDB files from ~2005. Then I tried to find more PDB files online, but they are a bit hard to come by. On one page with 99% broken links I managed to get some PDB files for XP SP2. There is also this half-baked program PDBdownloader which needs .bloat framework and likes to fail silently without downloading anything. In any case, it turns out that these PDB files are a different, incompatible format, although it looks similar to the old one so I can probably reverse it.

GBAJAM 2024 submission on itch: https://90soft90.itch.io/wreckage

Reply 30746 of 30754, by zapbuzz

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AlphaWing wrote on 2014-07-12, 17:00:
I have bad luck with win9x and P4's. Never had a single P4 board that would run 9x stable or without some weird issue. That will […]
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I have bad luck with win9x and P4's.
Never had a single P4 board that would run 9x stable or without some weird issue.
That willy I had to put 2000 on because it would just randomly hardlock no matter what I tried in 98,98se and ME.
Runs 2000 rock solid tho 😐
An I850 Rdram based board I have is exactly the same way.

There was an unofficial CPU Microcode patch released for windows Millennium and probably windows 98SE.

I have heard CPU drivers from Windows XP 32bit improve stability in windows 9x .

A memory patch should be applied to any 9X system with more than 512MB RAM.

Reply 30747 of 30754, by bracecomputerlab

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On Friday (two days ago), I purchased all four of brand new Socket 3 Anchor Electronics (Santa Clara, CA; located a block from NVIDIA HQ) had at the store.
In my prior trip about 2 weeks ago, I bought three Socket 3 and six VL-Bus connectors they had.
They did replenish the VL-Bus connectors on the rotating display stand.
There were two Socket 3 back on the rotating display stand.
I immediately took two of them and asked the store attendant if they had more.
There were two more in the back, so I took them as well.
Now I have a grand total of seven Socket 3 on hand.
The Socket 3 itself cost $4.95.
Not a bad price considering the scarcity of Socket 3.
In case someone wants them, they have several inventory of blue colored Socket 1 (it says "Over Drive Ready") for $7.95.
They also have inventory of non-ZIF PGA sockets like 132, 168 (or 169), and 273 as well.

Reply 30748 of 30754, by CharlieFoxtrot

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I have off day from work today so I decided to do some cleaning and maintenance for this Lian Li aluminium case. I think it is PC7A II plus, but the basic design of these remained the same from early 2000s with slight modifications, I think PC60 was the original case. I've had this case for a while now, but I haven't done anything with it so far, but I already have a Socket A build being planned, or possibly P4 Northwood and Intel 850 combo.

Damn these are fine looking cases, perhaps the finest of all time. The downside of course is that these get scratches if you look them wrong, but gladly this unit has been stored pretty well and there is nothing major.

I also managed to find a NOS CD/DVD aluminium cover plate sold separately these cases, so I don't even need to use silver drive. I have now beige Samsung IDE DVD drive behind that plate.

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Reply 30749 of 30754, by myne

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You buy a lian li, and you basically bought it for life.

Mine's 15yo

I built:
Convert old ASUS ASC boardviews to KICAD PCB!
Re: A comprehensive guide to install and play MechWarrior 2 on new versions on Windows.
Dos+Windows 3.11+tcp+vbe_svga auto-install iso template
Script to backup Win9x\ME drivers from a working install
Re: The thing no one asked for: KICAD 440bx reference schematic

Reply 30750 of 30754, by Ozzuneoj

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myne wrote on Today, 12:27:

You buy a lian li, and you basically bought it for life.

Mine's 15yo

To be fair, that could be said about every old computer on this forum that has been at least somewhat cared for. 🙂

My Antec P180B has been used as someone's primary computer for over 20 years. It currently houses an i7 4790 + GTX 970 for a relative. Originally I bought it to hold what was then a high end Socket 939 system. It has never had any downtime in all those years. 😁

Now for some blitting from the back buffer.

Reply 30751 of 30754, by PD2JK

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True. My parents use their fourth computer, but it still houses in an almost indestructable AOpen HX45.

i386 16 ⇒ i486 DX4 100 ⇒ Pentium MMX 200 ⇒ Athlon Pluto 700 ⇒ AthlonXP 1700+ ⇒ Opteron 165 ⇒ Dual Opteron 856

Reply 30752 of 30754, by BitWrangler

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Ozzuneoj wrote on Today, 14:17:
myne wrote on Today, 12:27:

You buy a lian li, and you basically bought it for life.

Mine's 15yo

To be fair, that could be said about every old computer on this forum that has been at least somewhat cared for. 🙂

My Antec P180B has been used as someone's primary computer for over 20 years. It currently houses an i7 4790 + GTX 970 for a relative. Originally I bought it to hold what was then a high end Socket 939 system. It has never had any downtime in all those years. 😁

Yah, anything metal used indoors is pretty hard to destroy, I got metal cases going back to 1983, plastics are a bit more questionable, got 1987 plastics in good shape around a Sharp portable, but 2 incidences of Zenith/Bull laptops from 92-93ish turning to cheese. Now, while "lifetime" has been twisted in warranty speak to mean lifetime of the product line as defined by maker, could be as short as two years, but in the past, it was generally assumed to be 25 years, though usually stated like 25 years or lifetime of original purchaser with proof of purchase. Anywayyyy, just saying that as it was really just in the last 10 years those Zenith went south badly, so they might have just made a 25 year "lifetime".. .. for comparison, the earliest cardboard box I can think of right now in the house is from 1963... so when a computer case is 60+ years old, it can be said it lasted as long as that cardboard box. 🤣

Unicorn herding operations are proceeding, but all the totes of hens teeth and barrels of rocking horse poop give them plenty of hiding spots.

Reply 30753 of 30754, by adegn

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Today I finally managed to get an award 6.00 pg BIOS from a Mitac Trigon 5114Vu motherboard running on my Tekram P5M4-M+ motherboard. The board couldn't boot an ssd with aligned partitions, so I spend more than half a year porting the Mitac Bios to my motherboard. Besides fixing the problem detecting 80/40 connector IDE Cables, that the Mitac Bios had on the Tekram Board, I also updated PCI slots IRQ routig table, $PIR table and chipset registers - and I reworked the menus to reflect the 3 memory slots on the Tekram. Finally, I updated the POST Greeting message and the ACPI Table.

Now I only have to replace the BIOS socket as it has become loose due to excessive BIOS chip removal/insertion.

Reply 30754 of 30754, by Ozzuneoj

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BitWrangler wrote on Today, 14:52:
Ozzuneoj wrote on Today, 14:17:
myne wrote on Today, 12:27:

You buy a lian li, and you basically bought it for life.

Mine's 15yo

To be fair, that could be said about every old computer on this forum that has been at least somewhat cared for. 🙂

My Antec P180B has been used as someone's primary computer for over 20 years. It currently houses an i7 4790 + GTX 970 for a relative. Originally I bought it to hold what was then a high end Socket 939 system. It has never had any downtime in all those years. 😁

Yah, anything metal used indoors is pretty hard to destroy, I got metal cases going back to 1983, plastics are a bit more questionable, got 1987 plastics in good shape around a Sharp portable, but 2 incidences of Zenith/Bull laptops from 92-93ish turning to cheese. Now, while "lifetime" has been twisted in warranty speak to mean lifetime of the product line as defined by maker, could be as short as two years, but in the past, it was generally assumed to be 25 years, though usually stated like 25 years or lifetime of original purchaser with proof of purchase. Anywayyyy, just saying that as it was really just in the last 10 years those Zenith went south badly, so they might have just made a 25 year "lifetime".. .. for comparison, the earliest cardboard box I can think of right now in the house is from 1963... so when a computer case is 60+ years old, it can be said it lasted as long as that cardboard box. 🤣

🤣

Oh man, that is so true about cardboard boxes. I was given a bunch of old computer stuff 10 years ago and one of the boxes that was filled was random stuff said "Fresh Young Turkeys" on it... so, presumably it originally had a turkey in it... hopefully in a bag... and it definitely looked to be from the 1950s or 1960s at the absolute latest. Pretty sure I still have some parts in that box out in my garage... it's a nice solid box... I can see why they kept it the first 60 years. 🤣

As for the longevity of plastics vs metal... so far I have been pretty fortunate. Any systems\parts I have that haven't been physically abused (usually in shipping) are still fairly intact. I think the constant exposure to UV from fluorescent lighting and sunlight as well as exposure to the elements is what has weakened a lot of these things over the years, so that can be a factor as well. Currently the oldest computers I own are a couple of Apple IIe systems from a local school that have everything intact (monitors, drives, everything... it all works too), my PC 5150 + 5153 monitor, XT 5160 and more recently an Atari 1040STf that is in excellent condition and has nothing broken on it (other than a key stem, which I replaced).

Honestly, I can't think of a single PC case that I have had to throw away outside of junky, beat up and neglected ones that were given to me that I simply didn't have space to keep.

Now for some blitting from the back buffer.