Bit of an update, I managed to score a VIA VT6212L based USB 2.0 card in a job lot of PCI and AGP cards. No discernible performance loss with this installed.

I never tried disabling, just pulling it out. It was only in there for fast(er) data transfer to get applications onto the system, I’ve copied what I need over now so it’s kind of redundant anyway at this point.

There we go, it was the USB card (NEC chipset). Thank you bloodem, much appreciated. Going to boot back into my original install now and see if it’s OK in there too with the newer 4-in-1 and AmigaMerlin drivers.

Unfortunately that was on a fresh install using the older 4-in-1 and the newest official Voodoo 3 drivers as well as all of your BIOS suggestions. Are you using a sound card or any other devices in the ISA/PCI slots? Can you try and remove everything and see if there's any change? For example, I …

Vsync is indeed OFF. It’s connected to a 70Hz display at the moment during testing. It still seems to be more of a system wide slowdown rather than simply 3D, as I’ve compared my Sandra 2001 CPU bench with a friend’s 500MHz K6-3 and I’m around 270 MIPS (Dhrystone) behind, but only 10 MFLOPS ( …

Unfortunately that was on a fresh install using the older 4-in-1 and the newest official Voodoo 3 drivers as well as all of your BIOS suggestions.

Interestingly I can't run "3dnow! software" rendering in Quake2, it defaults back to "software" when I try. The result is 15.1FPS @640x480.

Ok, to answer some questions, yes DMA is on for the HDD, set to AUTO in the BIOS and then enabled when installing the 4-in-1. Transfer rates seem consistent with UDMA speeds. My SiSoft Sandra 2001 CPU/CPU Multimedia/Memory benchmarks all seem consistent with expected performance based on other …

Actually lets scratch the “performance is fine” bit for the system as a whole. Looking at the benchmarks in the PII/III vs K6-III thread, I’m seeing my CPU score is weak in comparison. Sure I’m 50MHz down, but I’m also around 3000 CPU marks in 3dmark99 behind, which is a 40% performance drop for a …

Thanks for the suggestions guys. For reference, I am running the K6 patch on Quake 2. Though I will go back and run multiple resolutions to see if I’m CPU bottlenecked or not. I’ll also try an older version of the 4-in-1 and maybe 128MB (1x128MB) of RAM as I’m sure I’ll have a stick somewhere. I’m …

I’m just in the process of setting up a machine based on a DFI P5BV3+ motherboard, a K6-III 450 (not a K6-III+ unfortunately), and a Voodoo 3 2000 AGP. I’m using a standard 40GB Maxtor 7200 RPM IDE drive (40 pin cable not 80, pretty certain ATA66/100 didn’t appear until a number of years later!), …