> 'How do we DMA into >4G physical RAM?'
>
> 2) PCI cards which support 64 bit addresses might work (ie. none of most
> current PCI cards, and i guess chipsets arent too overtested either,
> regarding this feature).
Hmm, the current "64 bit" PCI-Slots (ex. on Alphas) allow 64 Bit data but
only 32 bit addresses. This is no real problem for current boards
(UX && BX: 6x512M == 3GB max mem); but I'm not shure if the PCI specs
covers 64 bit addresses at all; I don't think so.
--
ciao -
Stefan
Stefan Traby phone: +43-3133-6107-2
Mitterlasznitzstr. 13 fax: +43-3133-6107-9
8302 Nestelbach mailto://stefan@sime.com
Austria
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu