
5V-1B
Page
46
4-3 T ime & DMA Channels Map
Time Map:
Timer Channel 0 System Timer Interrupt
Timer Channel 1 Dram Refresh Request
Timer Channel 2 Speaker Tone Generator
DMA Channels:
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
4-4 Int errupt Map
Nimi:
Non-Maskable Interrupt
IRQ(H/W):
0 System Timer Interrupt From Timer 0
1 Keyboard Output Buffer Full
2 Cascade For IRQ8-15
3 Serial Port2
4 Serial Port1
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
Содержание 5V-1B
Страница 1: ...5V 1B Page I 5V 1B MAIN BOARD AT FORM FACTOR USER S MANUAL VER 1 1 ...
Страница 52: ...5V 1B Page 48 END ...