IBM 4381 Manual page 7

Section 30: 4381 Processor Multiprocessor Model Groups
61
30:05 Configuration Description 61
30:10 Instruction Processing Function 63
General Description 63
Instruction Set 65
Other Features 66
30:15 Storage 66
Processor Storage 66
Auxiliary Storage 68
Storage Control Function 70
30:20 Support Processor Subsystem 74
Components and Functions 7 4
30:25 Channels 74
General Description 74
Device Addresses and Unit Control Words For System/370 Mode 76
Subchannels For System/370-XA Mode 78
General Operation of the Channels 78
Byte Multiplexer Channels 79
Block Multiplexer Channels 79
SIOF Instruction For System/370 Mode 80
30:30 Standard and Optional Features 81
Standard Features 81
Optional Features 83
Section 40: Operator Console
84
40:05 General Description 84
Operator/Operating System Communication Modes 85
Operator Control Panel 86
Keyboard 88
System Configuration Displays 89
40: 10 Operator Displays 90
General Selection Display 90
40:15 Remote Operator Console Facility (ROCF) 91
40:20 Maintenance 93
Section
~O:
Virtual Storage and Address Translation
94
Virtual Storage Organization 94
Address Translation 95
Section 60: Reliability, Availability, and Serviceability (RAS)
97
60:05 Introduction 97
60: 10 Recovery Features 98
Automatic Instruction Retry 98
ECC Validity Checking On Processor Storage 99
1/0
Operation Retry 101
Machine Check Facilities 101
Machine Check Analysis and Logging 108
Functional Diskette 1 Logouts 109
Power System 110
60: 15 Diagnostic and Remote Support Facilities 113
Problem Analysis 113
Support Processor Subsystem Diagnostics 115
Power Controller Adapter Diagnostics 116
vi
A Guide to the IBM 4381 Processor