Re: kernels and b0xen
On Fri, Jan 24, 2003 at 10:46:17AM +0100, Gabriel Paubert wrote:
> On Thu, Jan 23, 2003 at 08:12:24PM +0100, Sven Luther wrote:
>
> > Any idea if the PPC970 bus is really hypertransport like so many people
> > sy, or something else ?
>
> I don't believe that it is HT like. From what I understand, the chip
> has two separate unidirectional 32 bit busses that will be connected
> to the chipset. They run at half the core clock and from what it seems
> they both transfer data, addresses and control signals.
>
> Basically it seems to be very similar to a packed based protocol: to read
> a cache line the processor sends a request on the outgoing bus and receives
> a reply on the incoming bus after some time. But IBM has not released many
> details yet.
Thought so also from the information that came out, but since so many
web site were speaking about HT, i suppose they are just misinformed. I
think the HT rumor sprang from the fact that Apple is a HT member.
Friendly,
Sven Luther
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