There's a high-level overview in Principles of Operation. I'm looking at the ESA/390 manual as I write this and it's chapter 15.6.4.
For specifics, you're going to need the hardware manual for the specific tape drive. Charles -----Original Message----- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Lieven Borgs Sent: Tuesday, June 20, 2006 6:11 AM To: IBM-MAIN@BAMA.UA.EDU Subject: z series channel commands Hi, Any idea where i can find the I/O command codes esp. the magnetic tape channel commands? ---------------------------------------------------------------------- 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
