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To: milo_morai who wrote (28445)2/14/2001 11:15:18 PM
From: ScumbriaRead Replies (3) | Respond to of 275872
 
Milo,

I'm glad that you asked me about LDT. I never looked at it before, and when I did I realized that it was something that I helped design at Compaq in 1991. We called it A-Net, and lobbied heavily for it to be the standard on PC's.

Unfortunately, Intel pushed PCI through as the next standard after (E)ISA, and I though that A-Net had died. Apparently the Compaq-AMD relationship has again borne fruit.

It is a very simple concept. The connections between devices are point to point, with the clock and data synchronized in each direction. This allows each connection to run as quickly as the connected devices will permit. Also, the width of the bus is variable. There is no theoretical limit on wire length, because the the same skew occurs in clocks and data.

Even though the idea is older than Rambus, I'm sure that Rambus will claim that they thought it up.

Scumbria