VT8371 System Board 61
4-5
RTC & CMOS RAM Map
00
Seconds
01
Seconds 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 Type Drive Type Byte
12
Hard Disk Type Byte
13
Reserved
14
Equipment Type
15
Base Memory Low Byte
16
Base Memory High Byte
17
Extension Memory Low Byte
18
Extension Memory High Byte
19-2D
2E-2F
30
Reserved for Extension Memory Low Byte
31
Reserved for Extension Memory High Byte
33
Information Flag
34-3F
Reserved
40-7F
Reserved for Chipset Setting Data