IBM 2025 Maintenance Manual page 269

Processing unit
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Restart
2-4
Restart Key
1-124
PSl, -6V
@
4A (1403-2540)
(Location) 6-4
PS2, +3V @ 45A (Comm. Feat. and 2560)
(Location)
6-4, 6-12
PS3, -12V
@
13A (Basic)
(Location)
6-4
PS4, -36V @ 2A (2311)
(Location)
6-4
PSS, +6V @ 32A (Comm. Feat. and 2560)
(Location)
6-4, 6-12
PS9, +3V @ SOA (Basic)
(Location)
6-4
PSlO, +6V @ 40A (Location)
6-12
PSll, +6V
@
16A (1403)
(Location)
6-12
PS12, -30V @ BA (Location)
6-12
PS13, 7.25V AC @ 25A (Location)
6-2
PS14, +60V @ 20A (Location)
6-12
PS14 - Fl (Location)
6-14
PS14 - TB2 (Location)
6-14
Punch
(See Also 2540)
Error Recovery Routine
2-29
ucw
Format, 2540
1-18
QN Arrangement, Printer Translate
Table
1-97
QNC Arrangement, Printer Translate
Table
1-98
RDR (Reader), Indicator
1-123
Read Clock Adjustment, 2311
4-9
Read Clock Traces
4-9
Read Count Command Codes, 2311/DAC
1-106
Read Cycle Controls (Waveform)
1-131
Read Horne Address Command Codes,
2311/DAC
1-106
Read IPL Command Code, 2311/DAC
1-105
Read Track Descriptor Record (RO)
Command Codes, 2311/DAC
1-106
Reader
(See Also 2540)
Checks During CSL
2-5
Error Recovery Routine
2-29
Row Image, 2540, Auxiliary Storage 1-15
Translate Table, 2540, Auxiliary
Storage--30XX
1-16
UCW Format, 2540
1-18
Reader/Punch, 2540
1-15
Readout Area of Aux. Storage, 2540,
(160 Bytes of Column Form)
1-15
Recalibrate Command, 2311/DAC,
Operation Code
1-105
Recalibrate Singleshots (DAC)
4-10
Reference Data
1-1
Removal
Storage Array
4-6
0-32K Storage Unit
4-5
32-64K Storage Unit
4-6
Replace Card, Example of Punching and
Loading
2-7
Replacement, Main Storage
4-5
Resets, 1403
2-24
Resistance, Array Drive Line
1-135
Resistor Gate (Location)
6-7
Resistors
Bleeder, Rl8 to R29 (Location)
6-12
Inhibit Drive Terminating
(Location)
6-7
X and Y Source
1-131
X and Y Source--Terminating,
Scoping
1-130
Restart Procedures
PR-KB
2-13
Standard and PFR Operation (2540)
2-30
1403
2-18
Restart, PSW
2-4
Restarts from Error Conditions, 2540
2-29
Right Side (Behind Logic Gates)
6-12
RN Arrangement, Printer Translate
Table
1-99
Rl8 to R29, Bleeder Resistors,
(Location)
6-12
Scan, Storage
2-3
Scan Storage (Position of Diagnostic
Control Switch)
1-124
Schrnoo Curve Example (Single BSM)
4-3
Schrnoo Curve Procedure
4-3, 4-4
Schrnoo Procedure, Two-Point
4-5
Schrnoo, When to
4-4
Scoping
Inhibit Drive Terminating
Resistors
1-132
Storage
1-13 0
X and Y Source--Terminating
Resistors
1-130
2560 Feed
4-13
SCR Card Cable-Connecting Terminals
4-8
SCR Light Drivers
4-7
Search Home Address Equal Command,
Operation Codes, 2311/DAC
1-109
Search ID Command Codes, 2311/DAC
1-109
Seek Command, 6-Byte 2311/DAC
1-106
Seek Command, 2311/DAC Operation
Codes
1-106
Selector Channel Control Information
2-42
Selector Channel Device Addressing
2-37
Sense Amps and Z-Drivers (Location)
6-8
Sense Bits (PR-KB)
2-13
Sense Bits (1403)
2-18
Sense Byte and Unit Control Word--UCW
Format, PR-KB
1-34
Sense Byte Summary, 2311/DAC
1-109, 2-24
Sense Command, 2311/DAC, Operation
Code
1-106
Sense/Inhibit Connectors (Location)
6-7
Sense Indicator Bytes, 2540
1-.17
Sense Line Checking
1-132
Sequencing, Power On/Off
5-2
Set File Mask Command, 2311/DAC
1-105
Set/Reset Word (Word Type O)
1-36
Single Address AS (Position of Diagnostic
Control Switch)
1-125
Single Address MS (Position of Diagnostic
Control Switch)
1-125
Single Fan Unit
(Location)
6-13
Singleshot
A-Clock (ICA)
4-13
Coil Protect (1403)
4-12
Control Tag (DAC)
4-10
Head Conditioning (DAC)
4-9
Home Gate (1403)
4-12
Index and Delta Index (DAC)
4-9
Operational-Out, Adjustment
4-8
PSS
4-11
Recalibrate (DAC)
4-10
Strobe Delay (1403 Buffer)
4-13
System Reset (ICA)
4-13
System Reset, IPL, or CSL,
Adjustment
4-8
2025 FEMM (7/69)
X-7

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