hi ya john/paul On Sun, 7 Dec 2003, Paul Morgan wrote:
> On Sun, 07 Dec 2003 08:15:33 -0600, John Hasler wrote: > > > Paul Morgan writes: > >> ...but there was no hardware memory management as you suggest until the > >> 80386. > > > > The 80286 had memory management. > > Thanks, John, I wasn't sure, I personally skipped the 80286 :) some cpu had mmu built in .. some had mmu in a co-processor (mmu) chip i did most of the whacky mmu chips for 6800[0] and 80x86 and Z0[00] and 2900[0] series cpus ... and all the 1K,2K,4K,16k,64K chips and 256K was just rolling out when i got out of mmu design - we had a whole 1MB of dynamic memory when most machines just had 4-16K of total system memory - and static memory, comparable to todays memory access speeds was 1000x too expensive - nobody liked pagemode back than ... today its nothing but page-mode access - nobody liked cache back than too ... today the bigger the cpu cache the better - L1, L2, L3 cache http://www.Linux-1U.net/CPU/ ( bottom of the page ) c ya alvin -- -- today's pet project ... dual-screen mplayer ( 1/2 pic on each monitor ) -- http://www.Linux-1U.net/X11/Dual -- -- too much for or maybe not for mplayer ... :-) -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]