Ampro Corporation 486E manual Channel Function, Serial Parallel Floppy, Ethernet Video

Product Reference

Table 2–51. DMA Channel Assignments

Channel	Function
0	Available for 8-bit transfers
1	Available for 8-bit transfers
	(Multimode Parallel port)
2	Floppy controller
3	Available for 8-bit transfers
4	Cascade for channels 0-3
5	Available for 16-bit transfers
6	Available for 16-bit transfers
7	Available for 16-bit transfers

Table 2–52 summarizes the available interrupt assignments for all subsystems on the

Little Board/486e CPU. Use the table to plan which interrupts to use in your system. Factory defaults are shown in gray.

Function

Table 2–52. Summary of IRQ Options

IRQ

3 4 5 6 7 9 10 11 12 14 15

Serial 1		"
Serial 2	"
Serial 3					"			"
Serial 4			"				"
Parallel			"		"
Floppy				"
IDE									"
Ethernet	"					"	"	"
Video					(None)

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