TD Systems TDL-11 QBUS (SCSI?) card

Paul Koning paulkoning at comcast.net
Mon May 4 07:44:49 CDT 2015


> On May 4, 2015, at 8:38 AM, Noel Chiappa <jnc at mercury.lcs.mit.edu> wrote:
> 
>> From: Seth Morabito
> 
>> 1. Halt the CPU and enter ODT
> 
> I'm too lazy to check to confirm this, but I strongly suspect DMA requests
> don't get serviced while the machine is halted.

Correct.  

	paul




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