Reply 200 of 219, by retro games 100
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- l33t
I swapped out the light weight Voodoo3 card, for a Radeon 9800 Pro, but the results are much less impressive. When I use CPUMSR.exe to bump up the multi from 6x to the XP-M's official max value of 13.5x, and then run either 3DMark 99 or 3DMark 2000, the system always immediately reboots. I've tried reinstalling these benchmark apps, messing about with BIOS voltage options, setting the BIOS AGP speed to 2x, but nothing fixes this problem.
I notice that Sandra 2002 Pro tells me that the +5V reading is 4.56. That's quite low. I believe there's a PSU "mod" which allows you to increase the voltage on the 5V rail. Perhaps the Radeon 9800 Pro card is using this rail too heavily? (The Radeon is being powered by a 2nd PSU, but maybe it's not up to the task? It's a typical 350W PSU.)
Edit: I removed the Radeon 9800 Pro from the Epox mobo, because its stability was disappointing when I attempted to run the XP-M CPU at (or near) its full speed. (Just had a thought: I wonder if I should have uninstalled then reinstalled G.Breese's Latency Patch?) I replaced it with a Geforce 3 "titanium 200" model card. Now the system appears more stable. I have the BIOS AGP speed set to 4x. This card is not externally powered, and so is effectively putting more of a strain on the PSU which also powers the mobo/CPU. Quick 3DMark 99 Max tests:
6x, 133fsb = 800mhz -> 8165, 16756
13.5x, 133fsb = 1800mhz -> 11598, 29100
13x, 166fsb = 2161mhz -> failed.
Edit 2: Because I couldn't get the GF3 to run 3DMark 99 @ 13x / 166fsb, I removed it, and replaced it with a light weight STB Velocity 4400 card. This card also would not do this test. So, it looks like the (AGP) Voodoo3 is the winner, because it will run 3DMark 99 at up to 169fsb with a CPU multi of 13x.