Subj : Re: User Port Pins
To : Janne Johansson
From : Pekka Takala
Date : Fri Sep 28 2018 09:14 pm
On 28.09.2018 06:40, Janne Johansson wrote:
> On 2018-09-27 17:56, Pekka Takala : cbmeeks wrote:
>>
>>> 9Â Â Â ATNÂ Â Â 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.
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