IBM AT 5170 Technical Reference page 10

Outputs ..................................... 3-4
DC Output Protection ......................... 3-4
Output Voltage Sequencing ..................... 3-4
No-Load Operation ........................... 3-5
Power-Good Signal ............................ 3-5
Connectors .................................. 3-7
SECTION 4. KEYBOARD .......................... 4-1
Description .................................. 4-3
Power-On Routine ............................ 4-4
Commands from the System ..................... 4-5
Commands to the System ....................... 4-9
Keyboard Scan-Code Outputs .................. 4-11
Clock and Data Signals ........................ 4-12
Keyboard Layouts ........................... 4-15
Specifications ............................... 4-22
Logic Diagram .............................. 4-23
SECTION 5. SYSTEM BIOS ..•.................•... 5-1
System BIOS Usage ........................... 5-3
Keyboard Encoding and Usage .................. 5-13
Quick Reference ............................. 5-24
SECTION 6. INSTRUCTION SET ................... 6-1
80286 Instruction Set .......................... 6-3
Data Transfer ............................ 6-3
Arithmetic ............................... 6-6
Logic ................................... 6-9
String Manipulation ...................... 6-11
Control Transfer ......................... 6-13
Processor Control ........................ 6-17
Protection Control ....................... 6-18
80287 Coprocessor Instruction Set ............... 6-22
Data Transfer ........................... 6-22
Comparison ............................ 6-23
Constants .............................. 6-24
Arithmetic .............................. 6-25
Transcendental .......................... 6-26
SECTION 7. CHARACTERS, KEYSTROKES, AND
COLORS •..............••.....•••..•......•... 7-1
Character Codes .............................. 7-3
Quick Reference ............................. 7-14
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