Re: Handic VIC-Switch

From: smf <*smf_at_null.net*> Date: Thu, 2 Nov 2017 11:16:57 +0000 Message-ID: <5e67dada-035f-6ce9-dd79-4baf9006c9ff@null.net> · smf_at_null.net

On 02/11/2017 07:11, Baltissen, GJPAA (Ruud) wrote:
> My first assumption is that everything is in rest. Then one computer 
> wants to talk to the attached drive and activates ATN or, in case of 
> BURST, CLK. The idea was that a circuit should be made that monitors 
> ALL lines and therefore should be able to act within tenths of 
> nanoseconds to connect the drive to the computer that just changed the 
> state of a line. At the same time it blocks the other computers in one 
> or another way during the time the active computer is busy. So IMHO no 
> analyzer or whatever intelligent circuit is needed. 

How reliable do you want it, if two computers try to talk to two 
seperate devices at the same time?

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