Interrupt Map; Rtc & Cmos Ram Map - Gigabyte GA-486AM User Manual

GA-486AM
______________________________________________________________________

5.4 INTERRUPT MAP

NMI: Parity check error
IRQ (H/W): System TIMER interrupt from TIMER-0
KEYBOARD output buffer full
Cascade for IRQ 8-15
SERIAL port 2
SERIAL port 1
PARALLEL port 2
FLOPPY DISK adapter
PARALLEL port 1
RTC clock
Available
Available
Available
Available
MATH coprocessor
HARD DISK adapter
Available
5.5 RTC & CMOS RAM MAP
RTC & CMOS:
0A
0B
0C
0D
0E
0F
19-2d
2E-2F
34-3F
______________________________________________________________________
Seconds
Second alarm
Minutes
Minutes alarm
Hours
Hours alarm
Day of week
Day of month
Month
Year
Status register A
Status register B
Status register C
Status register D
Diagnostic status byte
Shutdown byte
FLOPPY DISK drive type byte
Reserve
HARD DISK type byte
Reserve
Equipment byte
Base memory low byte
Base memory high byte
Extension memory low byte
Extension memory high byte
Reserved for extension memory low byte
Reserved for extension memory high byte
DATE CENTURY byte
INFORMATION FLAG
Reserve
5-5