From: arne@vajhoej.dk   
      
   On 12/5/2024 8:05 AM, Simon Clubley wrote:   
   > On 2024-12-04, Arne Vajhøj  wrote:   
   >> On 12/4/2024 8:37 AM, Simon Clubley wrote:   
   >>> What is the actual resolution of timer events queued using the   
   >>> sys$setimr() system service ?   
   >>>   
   >>> NOTE: this is about when the timer becomes eligible to fire, not when   
   >>> it actually does, given that VMS is not a hard RTOS.   
   >>>   
   >>> The base VMS time format is in 100ns units, but I couldn't see anything   
   >>> about the units actually used when firing timer events. Is it the same   
   >>> as the hopeless terminal driver timeouts, or is it 100ns, or is it   
   >>> something in between ?   
   >>   
   >> IDS VMS Alpha 1.5 (30 years old!) says:   
   >   
   > [snip]   
   >   
   > Thanks Arne. I never even thought to check the I&DS as this was something   
   > I was expecting to find in the normal user documentation.   
      
   Maybe it is. I just found it in IDS, but that does not preclude that   
   it also is somewhere in the "electronic colored wall".   
      
   But they could have decided to omit it because it is so   
   implementation specific.   
      
   Arne   
      
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