Subject: Re: AHA-2940 UW SCSI adapter problems?
To: Michael Parson <firstname.lastname@example.org>
From: Steven M. Bellovin <email@example.com>
Date: 07/19/2005 13:01:41
In message <20050719160023.GA25276@bl.org>, Michael Parson writes:
> Newer IDE (ATA) is acting more and more like this.
>Once upon a time, disk I/O with IDE disks was CPU intensive.
Especially before ATA DMA. (Aside: a number of years ago, I was
reading a PC magazine that explained that disks no longer needed DMA,
because the CPU was finally fast enough to keep up....)
--Steven M. Bellovin, http://www.cs.columbia.edu/~smb