Throttle Blaster: An add-on Turbo circuit released! (Part 2)

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In this video we are going through some of the features of the updated Throttle Blaster. This version works with either a rotary encoder, a single button, or a potentiometer, and the video shows how they work.
We are also trying Digger in DOS, the Secret of Monkey Island, Grim Fandango and Quest for Glory Shadows of Darkness on Windows 98.
Finally we are testing mp3 playback on Windows under different selected frequencies.
Throttle Blaster project page: github.com/scrapcomputing/Thr...
Digger Info: en.wikipedia.org/wiki/Digger_...)
CPU Galaxy's ( / @cpugalaxy ) awesome video trying playing mp3s on real 486 CPUs: • Can a 486 Play MP3 Mus...
Music:
- Battle Cruiser from Quest V Reorchestrated and Remixed
- Stalker from the Duke Duke Dance Party Album
Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0) creativecommons.org/licenses/...

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Опубликовано:

24 июл 2024

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Комментарии : 45

@dmnsonic 4 месяца назад

This one is THE MOD many waited for! Use a platform like Pentium 4 or Arhlon XP to go as far as a 4.77Mhz open to many possibilities!

@ruthlessadmin 4 месяца назад

This is awesome...1000% better than having to go into BIOS every time to disable cache and downclock the CPU manually. I gave the suggestion for the push button presets (or at least one of the people who did) but didn't expect you to take it this far, and so fast! Will be building myself one asap!

@scrap_computing 4 месяца назад

Awesome, go for it!

@AladimBR 4 месяца назад

Impressive! Looking forward for the PCB proto testing ❤

@Vanessaira-Retro 4 месяца назад

Thank you Scrap Computing!

@darthtripedacus1 4 месяца назад

Brother you do amazing work

@darthtripedacus1 4 месяца назад

That mp3 playback discrepancy may be due to the CPUs improved instructions and features that a 486 lacks.

@scrap_computing 4 месяца назад

Yeah, perhaps bigger caches, or perhaps better floating point unit?

@laudennn 4 месяца назад

great video, thank you!

@rodneyg9231 4 месяца назад

Absolutely incredible! Random idea: provide a way for the OS (eg. DOS) to set the speed through software! Perhaps through serial UART? One could make "game profiles" or .bat files that could be run before starting a game.

@scrap_computing 4 месяца назад

It's in the TODO list :)

@overdriver99 4 месяца назад

this is so impressive. I hope you sell as a kit since I am novice on modding my retro PC system. thank you for your design. This is the perfect for my Retro PC system.

@NaoPb 4 месяца назад

I would be tempted to use two push buttons. One for up and one for down. That will leave you with a more userfriendly way for fine tuning as well. I am also thinking of maybe having a small potentiometer on the inside of the case for the fine tuning. Because after it has been finetuned, there may not be a need to touch that anymore. And then maybe 3d printing a bracket that kind of looks like a gotek floppy emulator, which could house the raspberry pi, the display and the buttons. This could be optionally equipped with your large clicky rotary encoder just like with a gotek.

@scrap_computing 4 месяца назад

The single button mode is meant to be used by those who want to use their Turbo button. And it's actually not too bad to use. I think it should be fairly easy to support a 2-button mode, I will try to implement it soon, thanks!

@NaoPb 4 месяца назад

@@scrap_computing Fair point, I kind of forgot about that!

@Jack7277 4 месяца назад

nice and like )

@MrFathead 4 месяца назад

I have no use for this, but I think I might make one anyway just because it is so cool.

@shaunclarke94 4 месяца назад

Another suggestion. You could offer a "simpler" switch mode that can work with a toggle turbo switch rather than requiring a momentary one. Obviously it would be more limited though.

@scrap_computing 4 месяца назад

You might still be able to use it with the toggle switch, as long as you don't push it all the way in, though I have not tried it. Or you could just use the reset button. Reset should still work with a toggle switch ;)

@shaunclarke94 4 месяца назад

@@scrap_computingyou could also just press it twice quickly, but that's more a hack than a solution.

@jacktheripper6716 4 месяца назад

looking forward to the pcb so i can make my p3 950 run at 10ghz ;P or at least 1.2ghz or better

@szyszka8303 25 дней назад

Big Red Racing is not playable on faster than 486 100mhz machines. Try it plz. Wing Commander runs at normal speed? Ultima 7 ?

@scrap_computing 25 дней назад

All such games should work fine with the Throttle Blaster. You have very fine control over the CPU performance all the way down to XT-class.

@Cerber4444 2 месяца назад

Will that work with 286 processor?

@scrap_computing 2 месяца назад

No, this revision only works with Pentium (MMX I think) or newer CPUs. I am planning to release a new one that works with older CPUs.

@Cerber4444 2 месяца назад

@@scrap_computing Would be great! Not having turbo functionality on 286 motherboard is a big bummer.

@Cerber4444 2 месяца назад

@@scrap_computing Also, consider seting up a patreon. I'm sure there is a few people who will want to motivate your projects financially.

@scrap_computing 2 месяца назад

@@Cerber4444 I just checked and I don't think it will work. On my 486 the HOLD pin is actively pulled down by the chipset so it can't be overriden by the circuit without risking damaging the chipset. I will try to check with older systems too.

@Cerber4444 2 месяца назад

@@scrap_computing Is it possible to modify motherboard instead of processor, to include turbo functionality that way maybe? Other 286 motherboards have it from factory, so it should be possible to mod my motherboard to include it, I think.

@hectoralejandrotorrespopoc9232 4 месяца назад

I would like to know how to run grim fandango on windows 98 without issues, everything i tried has never worked for me, could you tell me the specifications of your machine?

@scrap_computing 4 месяца назад

Grim Fandango runs natively on Windows 98. What kind of issues are you having?

@hectoralejandrotorrespopoc9232 4 месяца назад

@@scrap_computing It doesn't start at all, on windows 95 it works, but has graphical glitches on the 3D models and on windows 98 it goes to a black screen and then nothing, sometimes it shows a blue screen claiming the program did an illegal operation. My machines are: Biostar M7VIG 400 Rev 7 AMD Duron at 166Mhz 256MB RAM at 333MHz Foxconn 661GX7MJ Intel Celeron at 3.2GHz 256MB RAM at 333MHz Both machines use: Geforce FX5200 128MB of RAM Samsung Spinpoint HDD 10GB Hitachi CDROM Drive

@scrap_computing 4 месяца назад

Sorry to hear that. I've never had issues with Grim Fandango. Perhaps try disabling hardware 3D rendering?

@hectoralejandrotorrespopoc9232 4 месяца назад

@@scrap_computing Hardware 3D rendering is always disabled, otherwise it always shows glitches on the 3D models.

@hectoralejandrotorrespopoc9232 4 месяца назад

@@scrap_computing That is why I asked you for your hardware and software configurations, maybe i could troubleshoot my pc's knowing a machine with a working configuration for grim fandango, of course if possible, i don't want to sound like I am being rude or something, thank for your continued replies.