Messages in this thread | | | Date | Mon, 15 Jun 1998 23:29:23 +0200 (W. Europe Daylight Time) | From | Jan Gyselinck <> | Subject | all sorts of questions ... |
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Hi,
I would like to get some explanation on PCI-IDE interfaces. I have a National Semiconductor PC87410 in my portable. I do have the impression that my harddisk is not running at the speed it can run. It supports PIO 3 and DMA. Now, the NS87410 doesn't support that (the NS87415 does support that, and there's a driver for that in the kernel). I got the docs for the NS87410, and now I wonna know how to read the PIO/set the PIO. Now, I guess I just have to adjust the timings, but to which value? And second, how do I change the values (can setpci do the job? ...) Anyway, if some IDE-guru can give me a little bit of help or explanation, that would be great.
Second thing: I got a Chips and Technologies 65545 video card, with a 10" TFT screen. I got APM enabled, but there's something wierd about that (maybe 'cauze I messed too much with my hardware, who knows ...), because if I set the panel-timeout to 2 minutes, it never blanks, but it does blank when the timeout is 1 minute (I think it did that too under DOS, but it has been a long time that I ran DOS on this thing). Now, I can live with that, I guess, but I would be great if I could blank it from linux. If I set the timeout to 10 minutes, and I wonna blank it, it doesn't do a thing. Maybe I did some things wrong (and there has been sort of an explanation, a while ago, about blanking, and what should be done to really blank). Just repeat in a few words what I have to do. I think I did tried it the way that was then proposed, but that it didn't blank either. Now, how can I get it to blank then? Search the code in the APM-BIOS? Can I get it to blank when APM is disabled? (can I go to lower-power-consumption when APM is disabled, can I get it to blank when I chose to never blank my display (in BIOS)?) Tell me what ya think ...
Something about the current kmod-implementation: It does not remove modules, and somebody said to put 'rmmod -a' in root's crontab. I objected that, and I still object that, because it causes my HD to wake up, every time it gets run. And I don't think that's normal, because everything it needs to read should be cached, and access-time updates should not be written by my implementation of updated (updated-spindown patch). (or does the disk-line in /proc/stat change when there is cache-access?????) So, is it normal that my HD gets waked for rmmod?
(anyway, I'll write a kerneld-thingy that only removes mods, I don't like to run things frequently with crond ...)
Jan Gyselinck lector@dds.nl
I want to believe Linux is to great to be human-made
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