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Re: 3Dfx Voodoo 2 8MB - which S7 CPU?

Posted on 2019-04-18, 20:11

Cyrix really isn't that great performance-wise... and runs rather hot too. Looking at my test results MII @ 3*83=250 MHz is just barely faster than P233 MMX and same like K6-2 233. MII @ 3*100=300 MHz beats K6-2 300 (66 MHz FSB) by 4% and loses to Pentium Pro 200/256 :evil: AMD K6-2 300MHz (3x100): …

Re: 3Dfx Voodoo 2 8MB - which S7 CPU?

Posted on 2019-04-12, 16:03

If someone wants the best integer performance with such a mainboard, then a Cyrix 6x86MII-PR366 is the way to go. 4x66 = 266MHz and it's unbeatable. Are you sure? Even K6-II 450 MHz would be beaten? I can't believe :dead: First, your board doesn't support 2.2V. The fastest K6 at 3.2V was 233MHz …

Re: 3Dfx Voodoo 2 8MB - which S7 CPU?

Posted on 2019-04-12, 10:14

You want an IDT WinChip 2, 200 to 240MHz, to take advantage of 3DNow! - Poor IPC compared to Pentium MMX. - Not all feature 3DNow - Pretty much the P4 of Socket7 CPUs WinChips are very much 486 class processors with large write back caches and TLBs. No superscalar core, no out-of-order execution, …

Re: My Socket 7 Build

Posted on 2019-04-10, 13:09

There's a Pentium MMX that can run with 100MHz FSB? :o Most can. Those with a nickel plated copper heat spreader are preferred to ceramic packaged for overclocking. The only important difference between the 166MHz/200MHz models and the 233MHz one is that the latter treats the 1.5x multiplier as 3. …

Re: 3Dfx Voodoo 2 8MB - which S7 CPU?

Posted on 2019-04-09, 19:42

Thank you for your replies. BTW only early revisions of FIC PA-2005 supported the 66MHz FSB max. Most could do 75MHz as well. Unfortunately it seems that mine is an early revision. I've seen in the manual that there is a small jumper located on the mobo and if it is set to 1-2 then only 66 is …

Re: 3Dfx Voodoo 2 8MB - which S7 CPU?

Posted on 2019-04-09, 13:55

You want an IDT WinChip 2, 200 to 240MHz, to take advantage of 3DNow! Otherwise you can mod the CPU power supply to add support for lower voltages and try a K6-2. BTW only early revisions of FIC PA-2005 supported the 66MHz FSB max. Most could do 75MHz as well.

Re: NexGen Nx586-P90

Posted on 2019-04-02, 12:24

It isn't OPTI. The NxVL chip was designed by NexGen and manufactured by Fujitsu. 82C206 / 83C206 is a standard peripheral controller manufactured by hell knows how many vendors including OPTI. Their PCI mainboard is based on two NexGen designed chips (VL82C500PSFC and VL82C501PSFC), Symphony …

Re: NexGen Nx586-P90

Posted on 2019-03-29, 00:41

there is a reference to nexgen in dn3dhelp.exe and 3drealms' website, did you try these steps already? NexGen/586 CPU's If you have a NexGen, you should first try going into your CMOS settings, and looking for a setting called Alternate Instructions. Make sure this is on. If this still doesn't work …

Re: Rendition Verite V2200 BIOS

Posted on 2019-03-15, 20:40

Burnt the BIOS into a Winbond W27C512 EEPROM chip. My test machine boots up showing nothing on screen. Booting again with the V2200 as a secondary card. It shows up as a standard VGA adaptor with the PCI ID corresponding to Rendition V2200. Hangs up if I try to install the drivers, though not …

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