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Windows XP Running with as little as 18MB or RAM Answered

I managed to run Windows XP (stable) with as little as 18MB of RAM, Originally for my PSP to run.
With Dosbox i can Allocate up to 16 MB of RAM, with a little tweaking i could get it to reach 18MB.
But XP Can't run in DOSbox, But it Can Run in Bochs, It may be slow but hey, If i can Run Windows XP on my psp, It is still an accomplishment.
Here are some screenshots of it Running is QEMU, On a PC
So what do you think, I am planning to port QEMU to the PSP so we can finally make this a reality, BOCHS only works in 1.50 Firmware, and i don't see a psp Slim with 1.50 and my PSP is a Slim and ...well you know.
Well Thanks
Be sure to comment(and rate, Just because it is neat seeing topics with a rating...) And tell me what you think!
~ReCreate
Edit: Now i uploaded a video!(or i am uploading a video...i have to remake it due to the stupid 10MB limit)

Discussions

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bowmaster

8 years ago

Cool, I was talking to my mom the other day about how you could probably run XP on something pocket sized. I was think a cell phone through.

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The nerdling

7 years ago

i want to put xp on my nokia e71 but all of the dosboxes i have found don't work, when i try to install it on my phone it says expired certificite
what should i do?

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Lee Wilkerson

8 years ago

Okay, so I have a question. WTF would anyone want to ruin a perfectly good game machine by running Winduhs on it?

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ReCreateLee Wilkerson

Reply 8 years ago

It's just for fun and absolutely and entirety undo-able.

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dfc849

9 years ago

Nice experimenting and good luck with working on your PSP! I don't know how I would live on 18 MB. I remember buying an IBM Aptiva 2137 in 1997 and upgraded to 64MB right away.

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ReCreatedfc849

Reply 9 years ago

Well I a First trying to see how it would run and all, It should not consume too much CPU usage, It can run On a CPU as low as 40MHz.

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dfc849ReCreate

Reply 9 years ago

That's pretty amazing - I'm assuming that you boot into the native Windows GUI on 40 MHz, or is it just the base kernel that will load?

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ReCreatedfc849

Reply 9 years ago

No, Mostly everything will load, A ton of services have been removed/stopped though. I have heard though, that someone managed to run it on a 20MHz processor...They commented In other words"if they have computers i hell, this must be how they are" Or something like that, that he could see it draw the backround on the screen...

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dfc849ReCreate

Reply 9 years ago

Makes sense, but I see it as pretty impressive.

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ReCreatedfc849

Reply 9 years ago

It is Impressive, I wouldn't be surprised if i broke a world record or something.

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ReCreateReCreate

Reply 9 years ago

I meant no by replying to
or is it just the base kernel that will load?

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ReCreate

9 years ago

bump, gotta love the lack of bumping rules ;)

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PKM

9 years ago

What can you do with it? Can you run notepad? Minesweeper? Paint? Office applications? Resource-intensive games?

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ReCreatePKM

Reply 9 years ago

What can you do with it?
With Windows XP you can Run anything that is Compatible with XP

Can you run notepad?

You bet it can.

Minesweeper? Paint?
Sure it can.

Office applications?
Well I don't see why not.

Resource-intensive games?

You bet it can't, Without somehow using the PSP's built in 3D hardware.

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PKMReCreate

Reply 9 years ago

Office applications?
Well I don't see why not.
Because I figured the combined usage of XP and, say, Excel 2003 might conceivably push its usage over 19MB. To be honest I'm completely amazed you've made this work at all- I had a neighbour in my first year of uni running XP on 128MB and that was glacially slow, so this must be geologically slow. I ran Debian on a 500MHz PIII with 64MB and I could watch it draw the wallpaper so had to take that off to get decent performance...

I am planning to port QEMU to the PSP
Cool! How do you build software that complex to run on the PSP?

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ReCreatePKM

Reply 9 years ago

Cool! How do you build software that complex to run on the PSP?
Its Complex, But its a project of mine, i already know how to code for the psp.
I have to: Get the QEMU source code, Got it, Gotta fork it to work with the PSP, Like some guy did with Bochs

Because I figured the combined usage of XP and, say, Excel 2003 might conceivably push its usage over 19MB. To be honest I'm completely amazed you've made this work at all- I had a neighbour in my first year of uni running XP on 128MB and that was glacially slow, so this must be geologically slow. I ran Debian on a 500MHz PIII with 64MB and I could watch it draw the wallpaper so had to take that off to get decent performance...

Well, Programs use the Page file, Its like virtual RAM, What Does use most of the real ram is window's xp's kernel and such.
I think i have 64MB or Virtual RAM(aka pagefile) configured.
Also, XP on 128 Was about the recommended requirements.

QUTOTE:128 megabytes (MB) of RAM or higher recommended (64 MB minimum supported; may limit performance and some features)

Another Quote:PC with 300 megahertz or higher processor clock speed recommended...

From the Microsoft Website