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   CBM      Commodore Computer Conference      4,328 messages   

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   Message 2,196 of 4,328   
   Pekka Takala to Janne Johansson   
   Re: User Port Pins   
   28 Sep 18 21:14:18   
   
   On 28.09.2018 06:40, Janne Johansson wrote:   
   > On 2018-09-27 17:56, Pekka Takala : cbmeeks wrote:   
   >>   
   >>> 9    ATN    Serial attention in   
   >>   
   >> I do not know why this is here. It is the same signal as in serial port.   
   >> Could it be that CBM thought that serial ports could be used with fast   
   >> drives?   
   >>   
   >   
   >   
   > Could "Serial Attention" be the same as Ring Indication where a modem   
   > tells the computer to prepare for an incoming call?   
   >   
   I do not think so, because it will interfere with disk drives. Incoming   
   call attention is given by rs232 lines anyway.   
      
   --- SoupGate-Win32 v1.05   
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