On Fri, 1 Sep 2006 11:56:32 -0600, Jeffrey D. Smith <[EMAIL PROTECTED]> wrote:
>Greetings, > >An interesting thread that seems to be based on offloading >CPU cycles from the main processor onto the device controller. >I remember similar discussions many years ago regarding data >compression when the CMPSC instruction was introduced. > >"Why didn't IBM put the compression into the DASD/TAPE/whatever >controller thing?" > They did. IIRC, an option on 3480, standard on 3490 and all since. IBM never did it in DASD, but STK did it on Iceberg and IBM shipped them as RVA. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
