On Tue, Mar 16, 1999 at 07:48:33PM -0800, Jonathan Stone wrote:
> 
> I'm confused. I thought the PMAZ-B `tcds' option card Nisimura-san
> mentions *was* effectively the same hardware that shipped on TC Alpha
> motherboards, that the TC option is identical (probably pulled from an
> Alpha) and the PMAZ-C is a fast-scsi version.

No, *I*'m confused.  I thought the PMAZ-B was a dual-channel PMAZ-A; I
didn't realize it was the same thing as the option cards for the Alphas.

> But yes, memory bandwidth may well be a problem, specially if the
> Personal DECstation runs its memory bus synchronousy with its
> TC/ioctl-asic subsystem.

So, with the `tcds' do we copy every transfer onto the card or not?

-- 
Thor Lancelot Simon	                                      tls@rek.tjls.com
	"And where do all these highways go, now that we are free?"