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Otherwise VBE are still not working. This corner case, other protection errors have other reasons.. that whay we really need to way how to debug it.. In theory someone really low level should be able to check / trace what is happening with videocard on ASM level.. and make (find) some Dos test utility to check if card is Win98SE compatible. I know that same process some used to make WInXP working with newer chipsets.

I won, its working! Solution was never Nvidia bios. Gigabyte flashing utility, really hasnt too much options. So i tried Nvidia NVflash. When i tried it, i had problem that some Bioses refused to work because is BoardID - there are 2 variants of Geforce6600GT , ids 4300 and 4301. I found out that i need bios with ID - p216h1. When i tried Nvflash, i wasnt able to force bios, but i found that that olded Nvflash (5.93.0.1) has options to overcome it with -4, -5,-6 optimal parameters. Original bios was 5.43.02.27.00 when i searched through TechPowerUp bios DB: https://www.techpowerup.com/vgabios/?manufacturer=MSI&model=6600+GT I found that tehre is newer MSI bios (5.43.02.69.00) - https://www.techpowerup.com/vgabios/3163/msi-6600gt-128-050411-2 I flashed it to card and now its working.

Ok with WinME, same problem.. Bluescreen with Windows protection error, after driver install. What next, downgrade videocard bios?

Ok.. some news. I tried cleaned drivers which services same behavior. I tried to disable audio devices in Device manager same problem. With XP KVM machine its running fine. VBEMP with 128 card, it completly crashing Qemu when i try to reboot, but i never i tried it with other card.. it could be there with any real physical card. I will try WinME..

I made check of my card bios: https://www.dropbox.com/s/iarrdry9dlhwkz5/2020-04-05 03.03.53.jpg?dl=0 It reports version F11, when i look at Gigabyte site here: https://www.gigabyte.com/Graphics-Card/GV-NX66T128D/support#support-dl-bios There is bios to download: X66t7d.f2 There is also note: F1, it can only be updated with VBIOS versions F2-F9. F10, it can only be updated with VBIOS versions F11-F19. F20, it can only be updated with VBIOS versions F21-F29. When i try to flash im getting that my bios is already newer.. So i dunno there is some universal Nvidia bios which is newer and should work.. or i should to force to use older F2 bios and downgrade to it. Im not first owner of this card, so i dunno how bios got there.. I cant find ony other revision of this card. I can test it easily with WinXP.. WindowsME would be more complicated. Will WinME test tell us something import, what WinXP test wouldnt?

Its possible use it for CRTL+ALT+DEL? Main disadvantage is that is not free or cheap.

No so far, without any logs its fine needle in haystack. Its this card: https://www.gigabyte.com/Graphics-Card/GV-NX66T128D#ov // Update fixed link. I have to check if bios is last one, for sure. No , do thing that it could help with investigation? Because i dont plan in long term to use this OSes, for games compatibility is ME no way, First edition maybe is.. Thanks, it good too see that someone else was affected by this too. I will try to disable AC97 controller, its in line with general System protection error hints.. I wonder what so special is happening during first boot with new video drivers, that after is sound card re-anabled is still working?

On KVM, but made same card working with VIA880 and fully updates USP3 system.. but its not same thing, i saw these error zillion times on real systems too. I would be really carefull to search error within KVM its easy.. I made other Geforce 6 card working, i made other Nvidia PCI card working, i made 3Dfx/Matrox cards working, so why this one should be so special? But if someone would give some checking utility to check if all needed emulated things for videocards are working fine with emulation, i will test it.. so far i dont know anything like it.

Thanks for info, i asked for present state of matter.. i will not pioneer with this, if is not easily possible, is dead end for me. I have other things to mess with.

Well im notorious Win98 hardware tester.. So i saw this error lots of times, now im trying to make Geforce 6600GT 128MB GV-NX66T128D Gigabyte working, on system when Geforce 6600LE is working fine.. Details: I even tried clean install, but im getting exactly the same error.. and really dunno how to debug it, otherwise that disabling devices as is written above.. any help would be fine, i dunno if some windows udates could be improve that etc. Autopatcher or Unofficial updates packs are too aggressive for my taste.. If there would be some pack of official updates only i would try it.

Well i though that only newer not Win98 compatible versions has this options, if is not true and only older version have this option, let me know which version to try..

For me is important that Process explore is working better for me.. and i can map it to CTRL+ALT+DEL.. if not will have to get used to other shotcut..

I though that inf change mechanism would be the same regardless of drivers, i can of course change 77.xx too.. Here it is structure of file is really same: // Hmm, but i discovered that this driver has Geforce 6600 GT only as DEV_00F1 , but i need 1400. Older 66 driver has this and 140 too. NVAML.zip I also wonder, doesnt have these "modern" drivers form prerequisites some runtimes or some something like that?

Important is if is KernelEX known to fix some driver issues or not.. If not, problem would be elsewhere - it still could be some windows updates, but i thing that there are even people who would know that and have detailed overview of this. Regardless some KernelEX GUI toolbox to report if KernelEX is active + for quick switching it on off.. na show list of program which are using it would be very nice.

I never messed with inf files, could you pleas check my edits? I just commented service lines and some Geforce 6600GT ids which are not mine(140). NVAML.INF

Did you test it with all details, AA maxed with 1600x1200 its you can test this resolution, try 1920x1080 its almost same number of pixels - 2Mpx.

Hello, basic Windows 98 task manager sucks, it simply often not working for me, dont kill process and freeze whole machine. Process explorer working fine, newer version has option to replace Task manager directly in option menu, but last version 11.11 which is still working without KernelEX doesnt. Its possible to make it run afret CRTL+ALT+DEL press or its there other good replacement.. i remember that i was using something named TaskInfo or similar, it looked nice, but it was source of small freezes during gaming and i took me lots of time to discover that.. so this is no way.

I finally had chance to test this and its working, thanks! Only strange thing was that i tried to just move files elsewhere, but there is some system protection error within safe mode, so its not working, but rename worked fine. Otherwise .Net frame could take lots of time.. especially when i tried it with all virtual Qemu machine on windows without any HW acceleration (Hax and WHPX arent working great for Win98 machines).. it was 10x or so slower than Linux KVM. Bonus is that with Installer 2, i could finally install Desktop Restore icon saver 1.36 working just through right mouse on desktop and for multiple resolution.. Its big help, because is often freeze or crash and when game set desktop to other resolution and icons are all over the place.

Someone MSFN success story, but im not really sure if all these steps are needed, or you really need only some of the: Here: Remove all devices from device manager in Safe mode. Set specific settings in System.ini Go to Start -> Run -> MSCONFIG -> SYSTEM.INI -> [386Enh] MaxPhysPage=1EBFF (492MB RAM); [vcache] MinFileCache=65536, MaxFileCache=262144 and ChunkSize=1024 Replace lots of files in system with them one from install CD. MrMateczko claims that solutions is much more simple: MaxPhysPage=20000 is all you need for get rid of this message, no need to destroy the OS. // But is not true, or at least on only reason of this problem, 512+ MB has to be solved for sure, because i had this error with machine which 512MB ram - its virtual one, so i can select it exactly to 512 MB. So im also quite sure that ram sticks are fine, because they are virtualized:) Its is also not MB capicator or PSU, there is lots urban legends about this error..

I added some articles which trying to explain problem to first post. I one of them is this claim: Its better than nothing but. If you know that driver file is ok and working with other machines.. there is probably some 2 drivers conflict or incompatibility.. it would be nice to be able gain more data.. I usualy know which hardware i added and that drivers is fine, so i want to actually solve it.. than say ok this machine and this new card arent compatible they will never work together - end of story.. Its not simply true, because this ever is often generated just by some old drivers history.. and new clean install is solution.

I really dont like this give me whole list of not working games from top you your head quetion.. Unless you have eidetic memory you can only fail.. and even that you could only do something wrong on your side. Fortunately someone did his homework and there is Dosfreaks ultimate pc compatibility spreadsheet: https://drive.google.com/file/d/0B9ZuEpGojQ-JTldJdnFlZUdLamc/view But even when you can make games working on modern OS.. there is difference between just copy binary, install it and run it.. and whole modern OS hassle to make game working. Making Steam and Gog games working on Win9x is often the same in reverse.. Good thing with Win9x games is that they are usually highly portable from one system to other... just by copying, or just by copying and adding some reg keys or copying and installing of some runtimes.

If card is working with other machine and its not possible to set up at exactly same place everytime, it means that card is fine, that its software not hardware problem. Otherwise i hoped that someone would have some deeper technical knowledge of this, that there would be some log with error.. and we would be able to learn more with exactly error message. Because this is not some crash... that is os controller behavior, something lie BSOD where is usually some error message which are able some low level guys analyze. Because i could spend few guys just by my own wild guessing that is not very effective way to solve things.. that is why i started that Windows protection error thread to get more knowledge.

Perfectly, i dont thing that such thing is possible in Win9x + 3D games world. there is lots of catches. Try some games which were not working for my from list above, if they would work for you.. I tested only demos which are publicly available.

I made card working even with Vanialla AGP 66.xx drivers, so its working. I only need to make it working with other machine. This install has KernelEx and all updates, that where it is not working is vanilla no KernelEx, no updates.. i trying to make it max compatible with oldest games as possible, so i dont want to install some big updates pack, unless i know what it is doing.. I dont need new KernelEx programs. Newest thing which i need is Doom3 and its working without KernelEx.

I made this card working with physical machine with VIA880 chipset.. and with some drivers, which i marked as clean.. Im going to investigate it more. Otherwise i saw fail of load TTF driver on other machines, which are booting fine, so its probably fine.