IBM Personal System/2 60 Manuals

Manuals and User Guides for IBM Personal System/2 60. We have 1 IBM Personal System/2 60 manual available for free PDF download: Technical Reference

IBM Personal System/2 60 Technical Reference

IBM Personal System/2 60 Technical Reference (56 pages)

Brand: IBM | Category: Desktop | Size: 1.68 MB

Table of Contents

Table of Contents
5
Section 1. System Overview
9
System Board
9
Description
11
System Board Features
11
1-1. System Board Devices and Features
12
System Board Block Diagram
13
System Board I/O Address Map
14
Specifications
15
1-4. Performance Specifications - System Board
15
1-5. Physical Specifications
16
Section 2. Programmable Option Select
17
Description
19
POS Address Map
21
Card Selected Feedback
22
System Board Setup
22
Card Selected Feedback Register (Hex 0091)
22
System Board Enable/Setup Register (Hex 0094)
23
System Board POS Register 2 (Hex 0102)
24
2-5. Parallel Port Select Bits
24
System Board POS Register 3 (Hex 0103)
25
System Board POS Register (Hex 0103)
25
System Board P~S Register 3 (Hex 0103)
25
Adapter Enable/Setup Register (Hex 0096)
26
Section 3. System Board
27
System Board Memory Connector
27
Description
29
Micro Channel
29
Adapter Identification
29
Central Arbiter
29
Arbitration Bus Priority Assignments
30
Arbitration Register, Write to Hex 0090
31
Arbitration Register, Read Hex 0090
31
Central Arbiter Programming
31
Memory
33
Read-Only Memory Subsystem
33
Random Access Memory Subsystem
33
System Memory Map
34
System Memory Maps
34
Real-Time Clock/Complementary Metal-Oxide Semiconductor RAM
36
3-6. RT/CMOS RAM Address Map
36
RT/CMOS Address Register and NMI Mask (Hex 0070)
37
RT/CMOS RAM 110 Operations
38
3-10. Status Register a
39
Real-Time Clock Bytes (Hex 000-000)
39
Status Register B
40
Status Register C
41
Status Register D
42
Diagnostic Status Byte
42
CMOS RAM Configuration
42
Diskette Drive Type Byte
44
Equipment Byte
45
Miscellaneous System Functions
47
Nonmaskable Interrupt
47
System Control Port B (Hex 0061)
47
System Control Port a (Hex 0092)
49
Power-On Password
51
Hardware Compatibility
52
Index
56

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