Do you run your G400 at it's bios default clock speeds? There's a program
hanging around somewhere called mgaclock that lets you set the clock
speed of your G400 to one of 5 presets, including the speeds used by the
Win98 G400 drivers. For some reason, the BIOS on the G400 sets the clocks
much lower than they should be.
When I'm running my G400 at the Win98 clock speeds, not only do I get a
nice speed increase in Quake 3 (800x600, 32bit @ 41fps), but it seems to
make things more stable as well. It certainly clears up some graphics
glitches that I seem to have running X at 1280x1024 @ 85Hz.
Here's my system (for reference)
BP6 with 2xCeleron 466 (occasionally running at 525 or 560)
128Mb PC133 RAM (running with CAS latency 2)
Matrox G400 Dual head 32Mb
Sound Blaster PCI64
Intel EtherExpress PRO 10 (ISA)
10.Gb Quantum CX
4x Sony SCSI CD-ROM
Tekram DC-310 SCSI card
I run Mandrake 6.1 with a standard 2.2.14 tree + agpgart and lm_sensors.
I've also run 2.3.38. I've never had any stability problems that weren't
related to overheating at 560Mhz, but I don't run it 24/7. It's my home
desktop machine, so it doesn't need to be terribly stable (and I can't
afford to run it all the time)
Thanks
Leigh
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