Chapter 2 - Ethernet Installation (XVME-956/401)
PAIR SHORTED
INTERRUPT
SELECTED
1/2
IRQ2*
3/4
IRQ3
5/6
IRQ4
7/8
IRQ5
2.2.2.2
IRQ
Select (W2)
The Ethernet module can be assigned to an interrupt in the range IRQ2 - IRQ5. Table 2-3 lists some
commonly used interrupt assignments. Table 2-4 shows the jumper settings for selecting interrupts on
the Ethernet module. Refer to Section 2.2.2 for carrier card jumpers.
Table 2-3. Common Interrupt Assignments
INTERRUPT
TYPICAL
IRQ2
IRQ3
IRQ4
IRQ5
EGA/VGA Option*
Secondary Serial Port (COM2)
Primary Serial Port (COM I)
Secondary Parallel Port (LPT2)**
*This interrupt is usually not used for VGA, but it is
required on the EGA.
**Printer port interrupt is normally disabled and
available for other devices on the bus.
Table 2-4. I R Q Select (W2)
*Default
2-4
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•
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