Husky MP2500 Manual page 21

Interrupt-driven polled comms......................................................... 345
HCOM.............................................................................................. 345
Ports ................................................................................................ 345
Keyclick ........................................................................................... 346
Sounder ........................................................................................... 346
Operating system ............................................................................ 346
RAM backup battery and the MP2500 and FS3 disk....................... 346
Memory............................................................................................ 348
Disk compression ............................................................................ 348
Peripheral power ............................................................................. 348
G.2 BIOS differences .......................................................................... 349
INT 10H, screen handler ................................................................. 349
INT 13H, disk services .................................................................... 349
INT 14H, communications ............................................................... 349
INT 15H, BIOS extensions .............................................................. 349
INT 16H, Keyboard services............................................................ 350
INT 17H, Printer services ................................................................ 350
INT 19H, DOS boot ......................................................................... 350
INT 1AH, Clock................................................................................ 350
G.3 Porting FS/2 Applications ............................................................. 351
G.3 Porting FS3 applications to MP2500 ............................................ 353
Hardware differences ...................................................................... 353
Software differences........................................................................ 353
Ignored INT 14H functions .............................................................. 355
Ignored INT 15H functions .............................................................. 357
G.4 Power Save Features ................................................................... 364
Introduction...................................................................................... 364
Power Saving Features ................................................................... 365
Using the BIOS automatic power saving features ........................... 366
Communications and the BIOS automatic power saving features .. 367
Other situations to look out for ........................................................ 367
Using idle time ................................................................................. 368
Conclusion....................................................................................... 368
Appendix H: Technical Notes .............................................................. 369
H MP2500 System Developer's Guide
USKY
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