[parisc-linux] lasi scsi driver

Philipp Rumpf prumpf@inwestnet.de
Sun, 5 Mar 2000 19:34:43 +0100


> In personal conversations, two knowledgable folks have suggested
> the following:
> o PA-7100LC systems support uncacheable memory and subcacheline access.
>   So these boxes should be supportable.
> 
> o PA-7300LC systems *might* support uncacheable memory and subcacheline...
>   (Could anyone definitively answer this for any PA-7300LC box?)

It does, according to our documentation.

> o PA-7000 systems are pretty much SOL.
>   (But they could be perfectly useful if folks add cache flushing to
>    the few device drivers needed for graphics and stuff off of LASI.)

More importantly, they don't use PCI (and not even GSC).  It's perfectly
fine for us to require HP-PB drivers aso to do cache flushing.

> In summary, the number of "unsupportable" systems isn't as big
> as I first thought.

I'm still not convinced there's going to be any problem at all, even on
runway systems.

	Philipp Rumpf