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Personal System/2 65 SX
IBM Personal System/2 65 SX Manuals
Manuals and User Guides for IBM Personal System/2 65 SX. We have
1
IBM Personal System/2 65 SX manual available for free PDF download: Technical Reference
IBM Personal System/2 65 SX Technical Reference (66 pages)
Brand:
IBM
| Category:
Desktop
| Size: 1.79 MB
Table of Contents
Table of Contents
7
System Overview
11
System-Board Features
11
Eee
11
System-Board I/O Address Map
11
Specifications
11
Output Protection
11
Power Supply Connectors
11
System-Board I/O Address Map
15
Physical Specifications
17
Component Maximum Current
19
Channel Load Current
19
Power Supply
11
Section 2. Programmable Option Select
21
System-Board Enable/Setup Register (Hex 0094)
21
System-Board POS Register 2 (Hex 0102)
21
System-Board POS Register 5 (Hex 0105)
21
System-Board POS Address Map
25
Card-Selected Feedback
25
System-Board POS I/O Address Map
25
System-Board Enable/Setup Register (Hex 0094)
27
System-Board POS Register 2 (Hex 0102)
27
System-Board POS Register 3 (Hex 0103)
29
System-Board POS Register 4 (Hex 0104)
29
Adapter Setup
32
Section 3. System Board
33
Arbitration-Bus Priority Assignments
33
System-Memory Map
33
RT/CMOS Address and NMI Mask Register (Hex 0070)
33
RT/CMOS Data Register (Hex 0071)
33
Real-Time Clock Bytes
33
Description
35
Microprocessor and Math Coprocessor
35
Micro Channel Implementation
35
Central Arbiter
35
Arbitration Register, Write to Hex 0090
37
Arbitration Register, Read Hex 0090
37
Memory
39
ROM Subsystem
39
Diskette-Drive Connector
39
System-Memory Map
41
Error Recovery
41
System-Board Memory Connectors
43
Rt/Cmos Ram
44
Status Registera
47
Status Registerb
47
Status Registerc
48
Status Registerd
49
Diskette-Drive-Type Bits (Bits 3-0)
51
Equipment Byte
51
Nonmaskable Interrupt
54
Power-On Password
57
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