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IBM 7302 Manuals
Manuals and User Guides for IBM 7302. We have
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IBM 7302 manual available for free PDF download: Manual Of Instruction
IBM 7302 Manual Of Instruction (60 pages)
Core Storage
Brand:
IBM
| Category:
Storage
| Size: 6 MB
Table of Contents
Table of Contents
3
Ferrite Cores as Storage Devices F5
7
Physical Properties F5
7
Magnetic Properties F5
7
Coincident Current Addressing F6
8
Ferrite Core Plane F7
9
L, 4, 00 Ferrite Core Array FS
10
Matrix Switches
10
Physical Properties F9
11
Magnetic Properties F9
11
Matrix Switch Selection and Decoding Flo
12
7302 Core Array
13
2, 1. 00 IBM 23 Ferrite Core Plane Fll
13
Sense Windings
14
Strobe Pulses
14
Inhibit) Drive Lines Fl4
16
Matrix Switches Fl6
18
Oo Noise Reduction
18
Fl6
18
00 Worst and Best Pattern Fl
19
Word Pattern in Core Array (7090) . Fl
19
Core Read-Store Operations
21
Read Operations Fl9
21
Read Cycle
23
Rewrite Cycle F20
23
Store Operations F21
23
3, 2. 01 Read Cycle
23
F21
23
3, 2. 02 Rewrite Cycle F21
23
Store Partial Word (7090) F21
23
Circuit Logic F22
24
Memory Timing Circuits F22
24
Memory Address Register F23
25
And y Segment Selection F23
25
And y Address Decoding F24
26
Strobe Generation
31
Or to Storage (7090)
33
Sense Amplifier
33
Memory Data Register
34
Storage Read-Out Operation
34
Storage Read-Out Operation (Not 7090)
34
Store Operations
34
Store Operations (Not 7090)
36
Store Partial Word
36
Core Drivers
38
10 Power-On Reset
38
Timing Error Detection
40
Customer Engineer Test Panel
40
Test On-Off Switch
40
Write-Ones Key
40
Write-Zeros Key
44
Check Switch
44
Check Ones-Zeros Switch
45
Check-Reset Key
46
Error Trigger Resets
46
Customer Engineer Panel Indicators
46
Error Address Analysis
47
Core Cooling
47
Indicators
48
Electrical Circuits
48
Oil Flow
48
Caution
50
Memory Address Register
52
Sense Amplifier
54
Memory Data Register
55
Core Driver
59
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