> -----Original Message----- > From: IBM Mainframe Discussion List > [mailto:[email protected]] On Behalf Of Horne, Jim - James S > Sent: Thursday, August 20, 2009 8:17 AM > To: [email protected] > Subject: Re: zAAP on zIIP > > John, > > I don't think you understand zIIPs and zAAPs. There is NO > hardware difference between zIIPs, zAAPs, GPs or any other > engine (IFL, ICF, SAP - have I left out any?). The > difference is the work marked for dispatch on them. > > Jim Horne > Systems Programmer
Thanks. I was under the impression that the microcode load in a zAAP and a zIIP was different from the microcode load in a CP. I guess that I was thinking that because there definately is a difference (minor) in the microcode load in an IFL and a CP. That's what stops z/OS from IPL'ing on an IFL (check stop as I recall from "messing around"). Of course, the argument then becomes if a difference in the microcode is a "hardware difference" or not. And if a zAAP and a zIIP had the identical microcode to each other or a CP, how would z/OS know which was which? That was my attempted point, which was poorly stated. -- John McKown Systems Engineer IV IT Administrative Services Group HealthMarkets(r) 9151 Boulevard 26 * N. Richland Hills * TX 76010 (817) 255-3225 phone * (817)-961-6183 cell [email protected] * www.HealthMarkets.com Confidentiality Notice: This e-mail message may contain confidential or proprietary information. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message. HealthMarkets(r) is the brand name for products underwritten and issued by the insurance subsidiaries of HealthMarkets, Inc. -The Chesapeake Life Insurance Company(r), Mid-West National Life Insurance Company of TennesseeSM and The MEGA Life and Health Insurance Company.SM ---------------------------------------------------------------------- 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
