Table Of Contents - IBM AT 5170 Technical Reference

Contents
SECTION 1. SYSTEM BOARD .....•..•............ 1-1
Memory .................................... 1-4
Microprocessor ............................... 1-4
System Performance ........................... 1-7
Direct Memory Access ......................... 1-9
System Interrupts ............................ 1-12
Hardware Interrupt Listing ................. 1-13
Interrupt Sharing ......................... 1-14
System Timers .............................. 1-22
System Clock ............................... 1-23
ROM Subsystem ............................. 1-23
RAM Subsystem ............................. 1-24
I/OChannel ................................ 1-24
Connectors ............................. 1-25
I/O Channel Signal Description ............. 1-31
NMI and Coprocessor Controls ............. 1-38
Other Circuits ............................... 1-40
Speaker ................................ 1-40
RAM Jumpers ........................... 1-40
Display Switch .......................... 1-41
Variable Capacitor ....................... 1-41
Keyboard Controller ...................... 1-42
Real-Time Clock/CMOS RAM Information ... 1-56
Specifications ............................... 1-69
System Unit ............................ 1-69
Connectors ............................. 1-71
Logic Diagrams - Type 1 .................. 1-76
Logic Diagrams - Type 2 .................. 1-98
SECTION 2. COPROCESSOR ...................... 2-1
Description .................................. 2-3
Programming Interface ......................... 2-3
Hardware Interface ............................ 2-4
SECTION 3. POWER SUPPLY ..•....•.........•.... 3-1
Inputs ...................................... 3-3
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