Time & Dma Channels Map; Interrupt Map; Rtc & Cmos Ram Map - JETWAY J-791A User Manual

3-14 TIME & DMA CHANNELS MAP
TIME MAP:
DMA CHANNELS:

3-15 INTERRUPT MAP

NMI:
IRQ (H/W):
3-16 RTC & CMOS RAM MAP
RTC & CMOS:
!
TIMER Channel 0 System timer interrupt
TIMER Channel 1 DRAM REFRESH request
TIMER Channel 2 SPEAKER tone generator
DMA Channel 0 Available
DMA Channel 1 Onboard ECP (Option)
DMA Channel 2 FLOPPY DISK (SMC CHIP)
DMA Channel 3 Onboard ECP (Default)
DMA Channel 4 Cascade for DMA controller 1
DMA Channel 5 Available
DMA Channel 6 Available
DMA Channel 7 Available
Parity check error
0 System TIMER interrupt from TIMER 0
1 KEYBOARD output buffer full
2 Cascade for IRQ 8-15
3 SERIAL port 2
4 SERIAL port 1
5 PARALLEL port 2
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 (IDE2) channel
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
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