I have a fairly old system (circa '94), but it has a PCI BIOS. I'm just
getting into the whole Ultra-DMA thing and in the process of trying to figure
things out, I found that that system has no /proc/pci.
My machine at work (circa '98-'99) is also PCI, but it *does* have /proc/pci.
The home machine seems to allow some sort of DMA, as to the WD hdds attached
to it, so I'm trying to bring system performace up a bit. However, with no
/proc/pci, I don't know how to tell which chipset I have. I'm reading the
Ultra-DMA mini-howto, and it's helpful, but there are some holes.
The hardware is a 1994 Gateway 2000 P560, if that's helpful to anyone
offering advice. I have a WD AC21000H and AC12100L hard drives.
My big question is: Why don't I have /proc/pci if I have a PCI system?
Next to that, if anyone can offer as to how to get the hdd's DMA setup, I'd
love it. The 21000 says it has "sustained", "burst PIO", and "burst DMA"
transfer modes. The 12100 is called a UATA drive and it specificially
mentions Ultra-DMA/33 mode -- this one I think I have figured out, if I know
what the IDE chipset can do...
-Michael
--
No, my friend, the way to have good and safe government, is not to trust it
all to one, but to divide it among the many, distributing to every one exactly
the functions he is competent to. It is by dividing and subdividing these
republics from the national one down through all its subordinations, until it
ends in the administration of every man's farm by himself; by placing under
every one what his own eye may superintend, that all will be done for the
best.
-- Thomas Jefferson, to Joseph Cabell, 1816
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