DFI 486-OCV Plus User Manual page 58

Pentium OverDrive Ready System Board
TM
Note:
Any or all interrupts including NMI may be masked.
The 15 levels of system interrupts from high to low are
ordered as: IRQ0>IRQ1>IRQ8>IRQ9>IRQ10>IRQ11
>IRQ12>IRQ13>IRQ14>IRQ15>IRQ3>IRQ4>IRQ5>
IRQ6>IRQ7.
System Timers
Channel 0
Channel 1
Channel 2
Real-Time Clock
Address
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
F-3 u Appendix F
System Timer (IRQ0)
Refresh Request Generator
(15us Rate Generator Period Signal)
Tone Generation for Speaker
Function
Seconds
Second Alarm
Minutes
Minute Alarm
Hours
Hour Alarm
Day of Week
Date of Month
Month
Year
Register A
Register B
Register C
Register D