James Sparenberg wrote: > On Tue, 2003-09-16 at 20:39, Vincent Chen wrote: >> Hi, all >> >> My old VIA mainboard was gone weeks ago and I bought a >> nforce2 board to replace it. I got a lot of situation >> with this new board: >> >> 1. usb mouse won't work during mandrake 9.0 >> installation event I set it to USB 1.0/1.1 only,but it >> works ok after new system start up. Is this a hardware >> or mandrake problem? > > problem... not sure, but it sounds like the boot kernel (which is a lot > less caple than the runtime kernel) didn't have the needed kernel > modules. >
if IRC this was an installer issue ... >> >> 2. while review dmesg output,my IDE drive hda doesn't >> indicate as UDMA100. It does show as UDMA100 in the >> old board. Should I run hdparm to get better >> performance? > > I would. There may be a need to change something in BIOS as well. > It may not have DMA enabled (since windows defaults to PIO). > hdparm -X udma5 /dev/hda, or even better go to http://www.iki.fi/tmb/9.1/ and install one of Danny's 0.22mdk kernels I have linked to, and watch your system go... :-) >> >> 3. It quit offen that I got heavy disk I/O while using >> mozilla to surf the net. At this time, I can barely >> move mouse or do anything else. How can this happen? >> This is my first terrible experience under linux. Is >> it possible to tune the system for better performance. > > Java, Disable the javavm and see if it improves things. > The Java release from Sun available at the time of 9.0 would > runaway on some websites. If disabling java works consider > getting a newer version from Sun. I did a ps ax once and noticed > that I had over 100 instances running. > I would say this is the behaviour due to point 2 ... iff your system isn't running udma it will crawl during hevy I/O... >> >> 4. Each day I use ntpdate to sync system time with a >> time server, I got offset > 100s. The value for old >> system always less than 5s. Is it possible caused by >> point 3? > > Possible yes. >> >> >> I have to say that this board works much better under >> windows than linux. Do you have recommendation for AMD >> boards which has best performance under linux? VIA? >> SIS? > I would stick with the nforce2 board... once the kernel supports it, it flies... I'm quite happy with my nforce2 board... > I personally don't like SIS if that's worth anything. One > recommendation I've seen that is worthwhile, is checking out what Tom's > Hardware site has to say. They shoot straight. > The newer sis chipsets are not so well supported in old kernels..., even current kernels have some problems... Thomas
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