
Appendix B Technical Summary
RTC & CMOS RAM MAP
| CODE | ASSIGNMENT | 
| 00 | Seconds | 
| 01 | Second alarm | 
| 02 | Minutes | 
| 03 | Minutes alarm | 
| 04 | Hours | 
| 05 | Hours alarm | 
| 06 | Day of week | 
| 07 | Day of month | 
| 08 | Month | 
| 09 | Year | 
| 0A | Status register A | 
| 0B | Status register B | 
| 0C | Status register C | 
| 0D | Status register D | 
| 0E | Diagnostic status byte | 
| 0F | Shutdown byte | 
| 10 | Floppy Disk drive type byte | 
| 11 | Reserve | 
| 12 | Hard Disk type byte | 
| 13 | Reserve | 
| 14 | Equipment byte | 
| 15 | Base memory low byte | 
| 16 | Base memory high byte | 
| 17 | Extension memory low byte | 
| 18 | Extension memory high byte | 
| 30 | Reserved for extension memory low byte | 
| 31 | Reserved for extension memory high byte | 
| 32 | Date Century byte | 
| 33 | Information Flag | 
| Reserve | |
| Reserved for Chipset Setting Data | 
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