Table Of Contents - IBM 5170 Technical Reference

Contents
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SECTION 1. SYSTEM BOARD ..................... 1-1
Description .................................. 1-3
Memory ................................ 1-4
Microprocessor ............................... 1-4
System Performance ........................... 1-7
System Timers ............................... 1-8
System Interrupts ............................ 1-10
ROM Subsystem ............................. 1-11
RAM Subsystem ............................. 1-12
Direct Memory Access (DMA) ................. 1-12
I/O Channel ................................ 1-15
Other Circuits ............................... 1-30
Speaker ................................ 1-30
Jumper ................................ 1-30
Type of Display Adapter Switch ............. 1-31
Variable Capacitor ....................... 1-31
Keyboard Controller ...................... 1-31
Real-time Clock/Complementary Metal Oxide
Semiconductor (RT/CMOS) RAM Information 1-45
Specifications ............................... 1-55
System Unit ............................ 1-55
Connectors ............................. 1-57
Logic Diagrams .......................... 1-61
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
Outputs ..................................... 3-3
Output Protection ............................. 3-4
Dummy Load ................................ 3-4
Output Voltage Sequencing ..................... 3-4
No-Load Operation ........................... 3-5
Power-Good Signal ............................ 3-5
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