On 7/8/2014 2:07 PM, Robert Moskowitz wrote: > The invention of the 8" diskette as the boot media for the 360 370, not 360. the 360's had microcode in "ROM", one of the innovations of the System/370 was soft loaded microcode. -- john r pierce 37N 122W somewhere on the middle of the left coast _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos