Synchronous
Machine-Cheek-InterruptionConditions Processing Backup •.•• Processing Damage •... Storage Errors • • . • • Storage Error Uncorrected
Storage ErrorCorrected • Storage-Key Error Uncorrected
Storage Degradation
Indirect Storage ErrorMachine-Check Interruption-Code Validity Bits ...•..• PSW-EMWP Validity . . PSW Mask and Key Validity PSW Program-Mask and Condition-Code Validity PSW-Instruction-Address Validity . . .• Failing-Storage-Address Validity ...•.. Region-Code Validity ... External-Damage-Code Validity Floating-Point-Register Validity ..... .
General-RegisterValidity Control-Register Validity logout Validity ....• Storage Logical Validity CPU-Timer Validity ...• Clock-Comparator Validity Machine-Check Extended-logout
length.•.... Machine-Check Extended
Interruption Information
Register-Save Areas
External-DamageCode ....
Failing-Storage AddressRegion Code .....
Handling ofMachine-Check Conditions ....• Floating Interruption Conditions •... Floating
Machine-Cheek-InterruptionConditions ...• Machine-Check Masking ..•• Check-Stop Control •••• Recovery Subclass Mask
Degradation Subclass Mask
External-Damage Subclass Mask
Warning Subclass MaskMachine-Check logout
LogoutControls . ..
SynchronousMachine-Check Extended-Logout Control • Input/Output Extended-Logout Control . . .. .• Asynchronous Machine-Check Extended-Logout Control Asynchronous Fixed-Logout Control .. .. ...
Machine-Check Extended-logout
Address.•.•.....• Summary of Machine-Check Masking
and logout..•• .... CHAPTER 12. OPERATOR FACILITIES
ManualOperation ..... Basic Operator Facilities Address-Compare Controls Alter-and-Display Controls Check-Stop Indicator
IML Controls.••... 11-19
11-1911-20 11-20 11-20 11-20 11-21
11-21
11-21
11-21
11-22
11-22
11-22
11-22
11-22
11-22
11-22
11-22
11-23
11-23
11-23
11-23
11-23
11-23
11-23
11-24
11-24
11-24
11-26
11-26
11-27
11-27
11-27
11-27
11-28
11-28
11-28
11-28
11-28
11-28
11-29
11-29
11-29
11-29
11-29
11-2911-30 12-1
12-1
12-1
12-1
12-2
12-2
12-2
Interrupt Key
Interval-TimerControl load Indicator load-Clear Key
load-Normal Key .• load-Unit-Address Controls Manual Indicator Power Controls Rate Control Restart Key
Start Key
Stop Key••. Store-Status Key •• System-Reset-Clear Key
System-Reset-Normal Key
Test Indicator.•.• TOD-Clock Control Wait Indicator •.•••. Multiprocessing Configurations CHAPTER 13. INPUT/OUTPUT OPERATIONS .••.•••••• Attachment of Input/Output Devices InputlOutput Devices Control Units ..•. Channels •.••.• Modes of Operation
Types ofChannels I/O-System Operation .• Compatibility of Operation Control of Input/Output Devices
Input/Output Device Addressing
States of the Input/Output
12-2
12-3
12-3
12-3
12-3
12-3
12-3
12-3
12-4
12-4
12-4
12-4
12-5
12-5
12-5
12-5
12-5
12-6
12-6
13-1
13-2
13-2
13-3
13-3
13-4
13-4
13-5
13-7
13-8
13-8
System.••.•••..•. 13-9
Resetting of the Input/Output
System ... ..•.. I/O-System Reset ..••• I/O Selective Reset
Effect of Reset on a Working
13-12
13-12
13-12
Device ...... 13-12Reset Upon Malfunction 13-12 Condition Code 13-12
Instruction Formats 13-15
Instructions .... 13-15CLEAR CHANNEL 13-16 CLEAR I/O 13-17
HALTDEVICE 13-19
HALT1/0 • • •• 13-23
RESUMEI/O .. . 13-26
STARTI/O ... .... 13-27
STARTI/O FAST RELEASE 13-27 STORE CHANNEL ID 13-32
TESTCHANNEL .•..•• 13-33
TESTI/O ...• .•••. 13-34
Input/Output-Instruction-Exception
Handling•...•. 13-36
Execution of Input/Output
Operations.•.. Blocking of Data . Channel-Address Word Channel-Command Word Command Code • • • Designation of Storage Area Chaining •.•• Data Chaining •.•• Command Chaining ••.•. Skipping ..•• . Program-Controlled Interruption Channel Indirect Data
Addressing.••• Addressing Using the 24-Bit IDAW. . • . • Addressing Using the 31-Bit
I DAW•.•• •••• 13-37
13-37
13-37
13-38
13-39
13-3913-40 13-42
13-43
13-43
13-44
13-45
13-45
13-46
Machine-Cheek-Interruption
Storage Error
Storage Degradation
Indirect Storage Error
General-Register
length
Interruption Information
Register-Save Areas
External-Damage
Failing-Storage Address
Handling of
Machine-Cheek-Interruption
Degradation Subclass Mask
External-Damage Subclass Mask
Warning Subclass Mask
Logout
Synchronous
Machine-Check Extended-logout
Address
and logout
Manual
IML Controls
11-19
11-21
11-21
11-21
11-22
11-22
11-22
11-22
11-22
11-22
11-22
11-22
11-23
11-23
11-23
11-23
11-23
11-23
11-23
11-24
11-24
11-24
11-26
11-26
11-27
11-27
11-27
11-27
11-28
11-28
11-28
11-28
11-28
11-28
11-29
11-29
11-29
11-29
11-29
11-29
12-1
12-1
12-1
12-2
12-2
12-2
Interrupt Key
Interval-Timer
load-Normal Key .
Start Key
Stop Key
System-Reset-Normal Key
Test Indicator
Types of
Input/Output Device Addressing
States of the Input/Output
12-2
12-3
12-3
12-3
12-3
12-3
12-3
12-3
12-4
12-4
12-4
12-4
12-5
12-5
12-5
12-5
12-5
12-6
12-6
13-1
13-2
13-2
13-3
13-3
13-4
13-4
13-5
13-7
13-8
13-8
System
Resetting of the Input/Output
System ... ..
Effect of Reset on a Working
13-12
13-12
13-12
Device ...... 13-12
Instruction Formats 13-15
Instructions .... 13-15
HALT
HALT
RESUME
START
START
TEST
TEST
Input/Output-Instruction-Exception
Handling
Execution of Input/Output
Operations
Addressing
I DAW
13-37
13-37
13-38
13-39
13-39
13-43
13-43
13-44
13-45
13-45
13-46