Mitsubishi Electric LS Pro Hardware Technical Reference page 8

Contents
4.4 Floppy drive ......................... 4/16
Description .............................. 4/16
Interface .................................... 4/17
4.5 Keyboard ............................... 4/18
Introduction ............................. 4/18
Operation ................................. 4/19
Scan codes ............................... 4/22
4.6 KeyLOC card ....................... 4/29
5 MEMORY AND I/O USAGE
5.1 Introduction ........................... 5/2
5.2 Memory usage ....................... 5/2
5.3 I/O space .................................. 5/4
DMA I/O address map ............ 5/5
Interrupt controllers ............... 5/6
System timers ............................ 5/6
Keyboard controller ................ 5/6
Port B .......................................... 5/8
RTC RAM/NMI mask .............. 5/9
SCAMP registers .................... 5/10
Apricot ports ........................... 5/11
Hard disk drive controller
registers .................................... 5/14
Serial port controller
registers .................................... 5/14
Ethernet controller ................ 5/15
Business audio ......................... 5/17
Floppy disk controller ........... 5/17
Parallel port controller ......... 5/18
Video DAC .............................. 5/19
VGA registers ......................... 5/20
CL-GD542X Extension
registers .................................... 5/25
APPENDICES
A: Specifications
B: Revision C system board
C: Error beep codes
INDEX
2 LS PRO HARDWARE TECHNICAL REFERENCE