Brainboxes IE-780 Informations techniques télécharger pdf (Page 56)

OPTO DIO Reference OPTO OUT48

to selects which OUT48 signal generates the interrupt, the IRQ

jumper selects which PC interrupt is asserted and so which

software interrupt service routine is called.

Figure 4-7. The IRQ Jumper Block._______________________________

11111

54210234567 NORMAL USE OF INTERRUPT.________________________

IRQ2 EGA/VGA GRAPHICS CARD, Usually Free

Used by only very few graphics cards.

IRQ3 COM 2- COM 8.

IRQ4 COM 1.

IRQ5 PRINTER PORT#2 OK for DOS & Windows

Avoid for OS/2, Windows NT & Novell

IRQ6 FLOPPY DISK DRIVE, AVOID!.

IRQ7 PRINTER PORT#1 OK for DOS & Windows

Avoid for OS/2, Windows NT & Novell

IRQ10 Usually Free

IRQ11 Usually Free

IRQ12 POINTING DEVICE, Usually Free

Free when mouse is on a COM port.

IRQ15 Usually Free

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Brainboxes IE-780 Informations techniques Page 56