PCP Primary Control Program, a kernel and Asrock 985GM-GS3 FX AMD Fusion Media Explorer ground breaking automatic space allocating file system MFT II Multi-Programming with a Fixed number of Tasks, had up to 15 fixed size application partitions, plus partitions for system tasks, initially defined at boot time but redefinable by operator command MVT Multi-Programming Variable Tasks, had up to 15 application regions defined dynamically, plus additional regions for system tasks Customer installations in the following variations: MVS supported eXtended[…]