Re: [2.1.98 - CVS] PCI Quirks addition..

Aaron Tiensivu (
Sat, 2 May 1998 21:08:25 -0400

> I donnot think that enabling burst is dangerous, but the 2 other
> so called _optimizations_ could be risky IMO.

Well, I've been running this system like that for months and this machine
is slow, but it's SOLID. I've given it hell and nary a burp.

> The BIOS seems not to enable Posted Write in the both directions of
> the PCI host bridge. The reasons could be that the bridge might
> not behave correctly with regards to PCI ordering rules for bridge.
> If it is the case, this quirks management has broken your system.
> BTW, some old Intel chipsets are known to be broken for posted
> write.

I'll take that risk for the noticable speed increase. 4MB/sec to 11MB/sec
is a big jump off the hd cache subsystem,etc.

> In my opinion, the pci-quirks just worked in the opposite direction and
> may have broken things instead of having fixed them.

Hence them being labelled experimental.
If you don't know what you're doing, leave them off, or if you feel
adventurous, enable them.

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