MOPS/586Hardware Description
Interrupts
IRQ0 | System Timer |
|
IRQ1 | Keyboard |
|
IRQ2 | Cascade |
|
IRQ3 | COM 2 | note (1) |
IRQ4 | COM 1 | note (1) |
IRQ5 | Ethernet (default) | note (2) |
IRQ6 | Floppy |
|
IRQ7 | LPT 1 |
|
IRQ8 | Clock/Calendar |
|
IRQ9 | Available |
|
IRQ10 | Available | notes (2) |
IRQ11 | Available | notes (2) |
IRQ12 | Available | note (2) |
IRQ13 |
| |
IRQ14 | EIDE Channel 1 |
|
IRQ15 | Available |
|
Notes:
(1)if serial ports are disabled via system bios, these interrupts are available for other devices.
(2)possible settings for Ethernet controller, IRQ5 is the factory default.
DMA
DMA 0 | Available |
DMA 1 | Available |
DMA 2 | Floppy |
DMA 3 | Available |
DMA 4 | Cascade |
DMA 5 | Available |
DMA 6 | Available |
DMA 7 | Available |
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