netbsd-help: Re: xdm scrambled ed drivers brains.

Subject: Re: xdm scrambled ed drivers brains.
To: None <garthc@compass-da.com, netbsd-help@NetBSD.ORG, port-i386@NetBSD.ORG>
From: Charles M. Hannum <mycroft@NetBSD.ORG>
List: netbsd-help
Date: 02/17/1996 18:24:20

 How does reading from /dev/mem affect the memory that is being read? 
Some devices do things when you read from them. For example, many
serial chips remove a byte from their FIFO immediately after you've
read it. What happens really depends on the device.