The problem is not one of knowing that the documentation is in the manuals for the control units, it is one of finding those manuals.
Regards, Richard Schuh > -----Original Message----- > From: The IBM z/VM Operating System > [mailto:[EMAIL PROTECTED] On Behalf Of Rich Greenberg > Sent: Thursday, June 26, 2008 10:54 AM > To: [email protected] > Subject: Re: Tape Unit Documentation > > On: Thu, Jun 26, 2008 at 10:35:52AM -0700,Schuh, Richard Wrote: > > } We have a vendor that produces a device that responds to > the IPL roll } call saying it is a 3480-04; however, it only > uses a subset of the tape } unit's CCWs. If these devices > receive a CCW that is not in their list of } 5 that they use, > bad things, such as streamed unsolicited interrupts or } > Command Rejects, happen. A detach of one of the devices > results in the } streamed unsolicited interrupts which in > turn causes the device to be } Boxed. Other commands like the > forward or backward space commands or } Read Backward cause a > Unit Check/Command Reject to be reflected to the } guest. I > would like to be able to provide them with a complete list of > } commands for which they should not cause irreparable harm > to the guest. > } Where can I find documentation showing the complete list of > CCWs used by } real 3480 and 3490 devices? > > The manuals for the control units. > > A summary which may be enough is on the blue/green/yellow cards. > > -- > Rich Greenberg N Ft Myers, FL, USA richgr atsign panix.com > + 1 239 543 1353 > Eastern time. N6LRT I speak for myself & my dogs only. > VM'er since CP-67 > Canines:Val, Red, Shasta & Casey (RIP), Red & Zero, Siberians > Owner:Chinook-L > Retired at the beach Asst > Owner:Sibernet-L >
