Check the IBM Principles of Operation. There's a chapter devoted to machine check handling.
From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf Of Carlos Bodra - Pessoal Sent: Thursday, October 14, 2010 10:18 AM To: IBMVM@LISTSERV.UARK.EDU Subject: Information How can I readout these Machine Check occurring in a MP3000 running zVm 4.40 07:13:06 HCPMCI9101I MACHINE CHECK ON CPU 0000. MCIC = 04000F3D 400B0000 07:13:06 System operation continues. 07:53:45 HCPMCI9101I MACHINE CHECK ON CPU 0000. MCIC = 04000F3D 400B0000 07:53:45 System operation continues. 07:53:45 Reporting will be suspended temporarily because machine checks are occurring too frequently. There are no problem reported and CE says that machine is ok. How can I interpret MCIC code showed? -- Carlos Bodra IBM zSeries Certified Specialist Sao Paulo - Brazil