Happy to see new CPU Galaxy video's appearing since last week! I was missing them in my weekly youtube routine. ;-) Hope you are doing well.

We got that exact upgrade for our packard bell legend 25mhz sx. The performance boost was huge. It was like getting a whole new computer. We upgraded from 4 to 16 mb of ram and put in a sb16 and cdrom too.

Greetings from South Africa. You have blown my mind. This must have been amazing.

If someone made a change like that in 1996 I imagine it would be shocking how diffrent that computer would feel.

Pretty fun to have both lowest end and then upmost end of processors of this socket running on the same board.

I love this, thank you so much for all your work and cool videos!!!

excellent thank you, like you've mentioned an 486SX 16 vs 386 DX33/40 would be very interesting.

Thank you very much for the shout out and for this video. Very exciting, as always. That Kingston CPU is very funny, not only they didn't bother to use a heat spreader, but they also glued the fan directly on the chip, so it blows only at the edges, but the die in the middle is where no air is coming to :D I'm impressed to see this CPU, since it is very rare, but I'm a little bit confused by the engineering job Kingston did on that :D

What’s amazing is how far we’ve come since, but great to see these CPUs such a nice reminder of how fast I remembered as I went from 286 to 386-16 to 486-33 then Pentium-100. Greta times.

Thank you for this excellent video. Couldn't help but laugh out loud when you said you're going to scare the shit out of that motherboard 😆

Ooh, another fun retro upgrade challenge. It's awesome to see you doing new content. Thank you!

I loved the subtle background music that you faded in with Norton Sysinfo. It really built up some tension. But then it prematurely ended ;-) No 160MHz today? 40MHz FSB really make all the difference in the world for L2 and mem throughput. And 10x the speed CPU upgrade would also be pretty unique ;-)

Imagine having that 16MHz 486 back then, and spending hundreds of pounds on cache and RAM... and seeing no improvement. I was impressed by the number of tweaks on this motherboard, though. It would be amazing with VLB included. Thanks for the video!

Love seeing epic performance boosts! In those days I was running a 12 MHz 286, and would have given anything for that kind of machine. Also, FYI, "quadrupled" (kwah-DREW-pulled) means "multiplied by four." In the context of CPU clocks, I understand this is usually clocked by a PLL (phase-locked loop) oscillator. Makes sense, given you're going from ~33 MHz to ~133 MHz. 👍

Welcome back! I am so happy to see your excellent videos back on my feed.

That's just about the biggest upgrade possible without changing the motherboard! The first PC upgrade I bought was an AMD 5x86-133 for my family's old 486. I also replaced the motherboard since the new one had PCI slots, which also allowed me to upgrade the video card. And I also played a lot of Doom, Doom II, and Duke 3D on that machine! I do like the look of those memory modules you used. The blobs over the chips are a little ugly, but the look of the PCB makes up for it, and it does mean they're very low-profile, which is also nice. I recently soldered up some new modules based on some NOS Toshiba chips I bought from the US America last year and some other NOS Mitsubishi chips I bought from eBay in 2020 for the parity bit, using an updated version of my 4MB memory module design. While the modules failed testing in my SIMCheck, it was just the parity bit, and the Toshiba memory tested fine at 40ns despite being rated at 60ns. These would be very good for overclocking if I can figure out why the parity bits failed (or just use them without the parity bit chips). It's possible I just happened to get a couple of bad chips in a row, so I designed some modules that took SOJ test sockets which would allow me to test all the chips before soldering them onto the modules. I also ordered them from the US America, but they sent me sockets that took 0.35" wide chips instead of 0.3", so they don't work. I think I might have to order the sockets from a genuine reseller in Europe or the UK, rather than some random dodgy website in the US America. But such is the trials and tribblations of designing electronics for vintage computers.

Thanks for comming back with another great video!!!

Спасибо! Как всегда оригинальный и качественный контент!!!

Interesting board! Just glad that you're back!

Good that you are back! Thanks for this interesting video!

Love your stuff, keep the great content coming!

Great video. Blast from the past :)

I really enjoy your videos. Thankyou for making them .

So good to see the content again! yay!

Very Nice Content .... ty for detail the Cache and RAM Options. I like

Two videos in a week or so? You are spoiling us! Thank you :)

It's interesting that a 486 @17Mhz was roughly equivalent to my 386DX40. Great video again, good of you to give a shoutout to Necroware, gave them a sub.

In advanced tab on BIOS setup, what the option "80486 DX2 CPU (50MHz)" does? It force the FSB to 50MHz? And if so, you can get the CPU to run at 150 MHz? What POST card do you use? I never seen one so tiny. You can populate Banks 2 and 3 (72 pin) RAM to increase the max amount of memory (4/16 M 32 pin RAM sticks are hard to find) and make a nice Win 95 machine...

Thanks great video brings back memories of the good all days I had a 386 and upgraded to a 486 so I could play .mp3 files smoothly and multi task in windows.. then a 586 and Cyrix 686 for gaming.. Today I have an awesome 13900k system with ddr5 and it blows my mind what technology can do today. I can’t even max out the system for productivity or leisure… back during the golden era of computers, playing a single .mp3 file with Winamp, would max out cpu!!!!

That beep had me laughing. Great video!

Thank you for the XT-IDE video links!

Impressive setup. In the old days I owned a 486SX-25 I could easily OC to 40 MHz. I also upgraded ram from 4MB to 8MB. The graphic card was a Cirrus Logic 5428 VLB. It performed so well so I played through Blizzard Diablo.

2:32 Home sick from work today with a migraine and I still laughed out loud at "And to scare the shit it of this mainboard" love your content keep it up.

Your voice is great. Great videos. Thank you.

I used to have this exact chip. I upgraded a 25mhz 486 with this and it was a huge upgrade.

love the videos hope your all ok over there

Excellent video Peter, as always 👍👍😀😀😀

The ultimate powerpoint machine. We used to say sx was garbage but by then we'd get dx4-100 for free from people moving on to Pentium 133-166. I hate myself so much I didn't keep any of these and not even my 3dfx.

Chaintech boards are quite nice, they remind me of similar features present on DFI mainboards. Great video!

Glad you're back! Unsubscribed just maybe 3-4 weeks ago when I finally assumed that Channel was done :( So happy to see you again, keep up the good work :) btw; your 486SX/16 was most likely SO heavily CPU-limited that no amount of tuning won't help. Tuned a lot of early PC's since 1987 and seen a lot of quirks in 1990's and some chipsets behaved very strangely. 11MHz AT-bus _should_ help a lot but with 486SX/16... apparently not.

Upgrading my 486 DX2 66mhz to a AMD 5x86 133 running at 120mhz (due to a strange board issue that would only apply a 3x multiplier instead of 4x) was a good upgrade for my 1st PC. I also use a 5volt to 3.3 volt socket adapter in my setup and bought all the parts individually before Kingston started selling the Turbochip upgrades in the US. I still miss that 486 machine. I used it for a little over 5 years in all!

5:53 Such memories... I had this bios in my first pc in 1993 (386 dx 40mhz). It is funny feeling, when you're messing with settings there, which I still remember.

I had a Kingston 133 in my Packard Bell when I was a kid. It made later DOS games run so much better. Great video! I subscribed!

The way you said quadrupled actually makes more sense than the actual way its said. Very nice video like watching these retro tech (well retro to me) videos keep it up.

I built a couple 386 and 486 machines using parts salvaged from the computer/storage room at my dad's office back in the late 90s, but at home I learned programming and computers in general on already an old but still fun Apple IIGS and Mac IIci, both loaded with the best upgrades you could get because they were gifted from my uncle that saved them from the design and printing place he managed the computers for. I missed out a lot on DOS and Win 3.1/95 and when we did build a computer for be at home I went straight to a Pentium and 98SE. That said, I still use the IIGS and IIci for fun programming but haven't really gone back to older PC stuff (love videos on it though). I never played a ton of games, I just read books on Assembly and C, the two options I had the tools for on both, so I don't have the same nostalgia a lot of people do. I focused more on writing graphics/music programs, my own games, and IIGS demos.

Thanks for the good memories… I miss those days

Loved the video. I would of loved to have one of the Kingston or PNY upgrades(have both now) when I still had my Tandy 3200 Machine. I wonder what performance gain it would have got. I also Ordered a Weitek 2265-060-GCD ALU to add to my collection. Got to say Thank You Peter for this channel and your channel has really pushed my love of vintage computers and components and I have been collecting more and more vintage parts and especially old CPUs. Thanks again and have a good one.

Great video thank you Those 486 overdrive chips were very useful and kept users from “needing” a pentium for a while… or until quake of course :-)

Love having you back in 2023!

From 386 level performance to Pentium level! Amazing upgrade.

Awesome work! What great times back then in the 386 days. One needed intelligence to be able to get games running, and what pieces of art those games were! I se you included Raptor, also amazing memories!

My 1st PC had the same CPU, only it was 25Mhz. Eventually, I upgraded to the 83Mhz pentium overdrive CPU, though I think I had to run it at 63Mhz bc that was the highest speed the board supported. It was a Packard Bell PC. It was cool because I remember using the built-in tutorials to learn DOS commands and how to copy disks,files, and stuff.

Really interesting to watch! I'm currently getting an Apricot FT//e machine back up and running, and it has the same Turbochip. I'll be using Phil's DOS benchmark (like you) to see how well mine does!

Great video, Peter! Very insteresting hardware. That Kingston Turbochip must be somewhat rare. I never heard about it before.

Very interesting. I totally share what you said concerning the benchs results that are strictly identical after the BIOS optimization, I've faced the exact same effects on several systems, and jut can't explain why. The 486SX-16 became a piece of collection, pretty hard to find on eBay (at a reasonnable price of course). And so does the Turbochip !

That mainboard is a great find. The earliest iteration of 486DX board, not much different than a late 386DX. And a very respectable brand, too.

Hi Peter, nice movie as always, regards.

I was lucky enough to own one of the Turbochips back in the day - I installed it for a friend who was still running a 486SX/33 in 2005 and didn't want to throw it away as it worked for their needs - the performance increase was amazing - gave it a new lease of life!

This was back in the fun days of CPU's

Best Retro-Chanel Ever ❤

I Recently got given two 486 cpus by a friend of mine along with a bunch of other cool tech (including an old 5:4 monitor that actually ended up replacing my newer 16:9 one due to just how good the image quality is) that he "had no use for anymore" I was thinking about selling them but after discovering this channel I'm now convinced to get them running someday, thanks for the inspiration!

ufff... what for a fast upgrade. insane! i need to build a time machine.. back to the 90's

3:38 The second “u” in “Quadruple” is pronounced less like “couple” and more like “strudel”. It is an odd word for a German speaker! Great video. 👍

You just created ISA perfection.

An interesting comparison would be 286-16 vs 386-16 vs 486-16. It would also be interesting to see the weitek 4167 up against the 5x86-133 - especially the weitek benchmark programs.

You did it!!

Большое спасибо за качественный и полезный контент! 👍🏻

Really interesting upgrade, but yeah the ISA bus is definitely causing the CPU some bottlenecks! I would have loved an upgrade like this in the early 1990s when I had a 486-33. By 1996 I was using an AMD 5x86-133 (OC to 160Mhz) in a motherboard with a proper PCI bus and it performed extremely well.

Hi good video I wish i grew up in the 80s/90s it was probably awesome to experience these generational improvements. Also for quadrupled you say the u like ooo so its quadroopled

I upgraded my 486DX-33 back in the days with one of these CPUs. Big improvement indeed ;)

That´s a beautiful and true retro DOS PC

Wow, I had a 486DX/33 in 1993, but this is in a whole other league!

Amazing

I'm English an quadrupled still trips me up occasionally - you did a good effort.

I had 486dx2 66. Was a fun time as it was my first pc in 90s. Always need repair here and there. I didnt mind because it made me who I am now. As an IT Tech. Have done all from desktop support to server level.

Good times! I had a Cyrix 133 back in the day.

Thank you very much for this interesting Retro video, I enjoy those very much. About your question on intel and the 486/487SX series, I always imagined intel used this as an opportunity to sell a CPU which failed the quality test in production. The 486SX failed on numeric coprocessor function at least, and the 487SX simply failed the speed tests. The chips were packaged different (pinout) to sell them with different mainboards. But I personally at least once saw an 487SX on an adapter board to place it in a regular socket for 486DX. The same reasoning was with the special DRAM module. A partially defective DRAM chip was bonded directly to the PCB, so it could be used with lower capacity still.

AWESOME

Very nice, those Turbochips are quite amazing. :) Were those 16MHz chips some sort of OEM special thing, do we know? I worked at a PC-builder in the early 90s and the cheapest chips we could buy was the SX-25. Never did see a 16 and we bought our parts from a huge distributor so if it was available they would've had it. At the time our entry-level PC used AMD 386DX-40, which I'm still fond of today. It wasn't that much slower than the 486-25 as I recall, and the 486 setup cost a lot more.

Funny thing, while Duke doesn't care about FPU performance, if you don't have an FPU you're not going to have a good time in some very specific spots of some of the maps. That's because slope rendering code does an integer FPU load and then store back as a float to then do some further integer magic on that, looks like approximate 1/z calculation, and it does this once per pixel. That's the only FPU instruction used and it's basically non-arithmetic. This function that does this is also called to generate random numbers or something like that but not enough to matter for performance. There's also no alternative implementation for any of this, so if you don't have an FPU, you get it emulated by the Watcom runtime, handling the NM exception, which is predictably slow.

Lovely video, congrats. However I think the slow graphics performance on the original CPU was partly due to the clock divider was set to run the ISA bus at a 1/3 of the system memory clock, and once the system got switched to 33MHz, the ISA bus got a very needed boost as well.

13:10 as teenager in 1993, and then also later I didn't know what is difference between Cache write back (w/back) and w/trough. I know only two first settings on the top - and rest of it below - It was always the mystery for me - what it is doing...- In 1996 I had access to internet in school for the first time, but I never checked it, and forget it later. but now, when you set up those settings with commentary (it looks like you know what you are doing) - it is such a nice feeling, to finally understand it better.

Qua-Drew-Pulled. And while we’re talking about it, cache is pronounced just like cash. Actually, I prefer your pronunciation. Love!

Hehe, the nostalgia of the games I used to play back in my teen years :D

In the age of 486 the Weitek FPUs usually weren't faster anymore but they were often required for expensive software because they used incompatible Opcodes. Think of them as dongles which actually do something useful.

Very comfy video

Wow! I would find lot more use for that computer in 16MHz configuration. Older 80’s to 90’s games problems with high speeds would run great with 386/33MHz or comparable - for example adventure games, Wing Commander series, etc. Having already i486dx4 and 5x86P75 leaves a spot at that range underneath. Also my 286 is breaking and a little slow anyways to restore.

I didn’t realize the Overdrive brand went back to the 80s, and that the 486 was already so old. I can still remember them in the mid 90s when I first became aware of Intel. My father got us a Tandy 1000 RL in the early 90s. So it’s extra shocking that the 8088 or 8086 that was in it was still being sold for quite a lot of money at the time (especially for poor us!) when these rather advanced technologies had already matured to mass production and enhancement iterations by third parties even. Man, I loved that computer, but I almost feel ripped off for my family. Quadruple: qua-droop-le

I was expecting it to run even faster after the installation of the Kingston Turbochip. I run it on a microchannel IBM PS2 77s with an onboard S3 of 1MB and Doom runs extremely smooth. 3D Bench reports a score of 76 frames per second.

Hahahaha - "And to scare the sh&^ out of this motherboard" - laughed for 5 minutes!

Спасибо что показываете нам такие штуки. Для кого-то ностальгия по прошлым временам, а кто-то и вообще таких в живую и не видел даже. У Вас очень хороший уровень английского языка, без шуток. А мне, как русскому, даже легче воспринимать английский с немецким акцентом. Все четко и понятно.

i always find it hilarious that i can now download things faster than some of the processors in my old computers could even think. downloading a file at 80MB a second still makes me giggle.

That works a lot better than I thought it would. I wonder how affordable that would have been at the time? I'm not sure of the exact timing but I imagine at that point many would be using early pentiums and the cost of upgrading was plummeting which if I remember made these types of upgrades disproportionately expensive. But, it does work very well.

Love those turbo chips. I have a motherboard that will not accept anything above DX2-66, no overdrives (I tested all) and yet this CPU works fine, and even overclocks. My BIOS reports it as 120MHz, but all benchmarks show proper 133MHz. I had mine at 160MHz, running stable. There are versions with plastic 486 chips, and ones with passive cooling. They almost always fail due to heat. Put a fan on them or a custom heatsink, if you want them to last. These CPU's make a 486 feel almost like a pentium, though even a P75 feels faster in practice, despite the frequency difference. Thanks to this CPU, I got 50.0 points in 3Dbench on a VLB Trident card with 2MB.

Nice

Great stuff! you may have a more fun experience with Wolfenstien rather than Doom on a board without VESA or PCI I've never come across a 16mhz '486 but I do remember building machines in the shop with the 25 & 33mhz ones, which both could be run @33 and some boards 40mhZ -, if I remember the UMC chipset boards were fairly quick like the ubiquitous PT-429 series, I remember some of the OPTI chipset boards with AMI's WIN-BIOS werent bad either, - thanks for the memory - those were the days of turbo buttons speed displays and setting by jumpers!

Thanks for the exploration! It's strange seeing an enthusiast using a motherboard with an intact barrel battery - most retro channels I watch treat it like an emergency to remove those asap before it explodes and gets battery acid everywhere within a five mile radius.

I didn't even remember these existed, I just remembered that SX 20MHz was the slowest 486.

i used to have these when i was younger.

quad-droo-pulled ❤