I think I found a unicorn! Am5x86-P75-S @ 200MHz (Edit:Now I really did!)

Reply 20 of 25, by myne

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BUB has a vid on converting edo to fp mode.
That 10ns difference might buy a bit

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 21 of 25, by JAKra85

Posted on Today, 09:47

JAKra85 Offline

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Location: Budapest

myne wrote on Today, 09:44:

BUB has a vid on converting edo to fp mode.
That 10ns difference might buy a bit

Do you have a link? Is it hard to do?

Retro PC Gallery:
https://docs.google.com/document/d/1ara32t4rV … nU/edit?tab=t.0

Reply 22 of 25, by JAKra85

Posted on Today, 09:48

JAKra85 Offline

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Ok, now I really created a proper monster! 😁

Am5x86-P75-S @ 200MHz + ATi Radeon 7000 (PCI) 64MB DDR
Fully stable in DOS (so far).

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Retro PC Gallery:
https://docs.google.com/document/d/1ara32t4rV … nU/edit?tab=t.0

Reply 23 of 25, by JAKra85

Posted on Today, 19:05

JAKra85 Offline

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Fully tuned (BIOS), added 32MB RAM and made a new set of benchmarks.
Memory is running in 1 WS mode.
Found out that integrated IDE works, only IDE2. If I connect anything to IDE1 the board will not POST.
Options available:

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3DBench 1.0 (I think it broke, showing 11.1)

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3DBench 1.0c

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PC Player

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PC Player (VESA)

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Last edited by JAKra85 on 2026-09-14, 19:14. Edited 1 time in total.

Retro PC Gallery:
https://docs.google.com/document/d/1ara32t4rV … nU/edit?tab=t.0

Reply 24 of 25, by JAKra85

Posted on 57 minutes ago

JAKra85 Offline

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Posts: 145
Joined: 2026-04-05, 09:03
Location: Budapest

SystemInfo 8.0

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Landmark 6.0

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Speedsys 4.78

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CHKCPU

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CACHECHK

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Retro PC Gallery:
https://docs.google.com/document/d/1ara32t4rV … nU/edit?tab=t.0

Reply 25 of 25, by JAKra85

Posted on 54 minutes ago

JAKra85 Offline

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Location: Budapest

Games (few)

Doom min.: 188.14 FPS
Doom max.: 174.92 FPS

Quake (managed to break over 20 FPS. 😀 )

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Setup:

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Retro PC Gallery:
https://docs.google.com/document/d/1ara32t4rV … nU/edit?tab=t.0

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