Time & Dma Channels Map - Acorp 6A815EP User Manual

4-3 Time & 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 (ITE chip)
DMA channel 3 onboard ECP (default)
DMA channel 4 cascade for DMA controller 1
DMA channel 5 available
DMA channel 6 available
available
DMA channel 7
INTEL 815EP 57