Eurotech Apollo - Page 124

APOLLO user manual
Issue G
124
Master
8259 input Interrupt source
0 Internal connection to counter 0.
1 Keyboard controller (via SERIRQ).
2 8259 slave connection.
3 IRQ3: configurable.
Default connection: Serial port COM2.
4 IRQ4: configurable.
Default connection: Serial port COM1.
5 IRQ5: configurable.
6 SERIRQ to floppy disk controller.
7 IRQ7: configurable.
Default connection: parallel port LPT1.
Slave
8259 input Interrupt source
0 Internal connection to real time clock.
1 IRQ9: configurable.
2 IRQ10: configurable.
3 IRQ11: configurable.
4 IRQ12: configurable.
Default connection: PS/2 mouse.
5 Internal connection for processor FERR#.
6 IRQ14: Primary IDE.
7 IRQ15: CompactFlash
®
controller.
Connections for serial, parallel, mouse and CompactFlash are all dependent on
BIOS configuration settings.