Rtc & Cmos Ram Map - EPOX EP-3VBA2 Manual

EP-3VBA2/6VBA2
6 FLOPPY DISK (SMC CHIP).
7 PARALLEL port 1.
8 RTC clock.
9 Available.
10 Available.
11 Available.
12 PS/2 Mouse.
13 MATH coprocessor.
14 Onboard HARD DISK (IDE1) channel.
15 Onboard HARD DISK (IDE1) channel.
A-5 RTC & CMOS RAM MAP
RTC & CMOS:
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 type.
15 Base memory low byte.
Appendix
A-3