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

34-3F

Reserve

40-7f

Reserved for Chipset Setting Data

Page: B-4

EB-471LF USERS MANUAL

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Pro-Tech EB-471LF M1, ULV Celeron M 3.5 Embedded Card With VGA/ SOUND/ LAN user manual RTC & Cmos RAM MAP, Code Assignment