6-3
Table 6-2 show the recommended NPU IRQ settings.
Table 6-2. NPU IRQ Settings
IRQ Used for
3 COM2 - serial port - service port
4 COM1 - serial port - touchscreen
5 Available (normally LPT2) (*4190
Network Card)
6 Reserved for floppy drive
7 LPT1 - parallel port
2/9 UL card messaging
10 COM3 - UL card port A serial port
11 COM4 - UL card port B serial port
12 Bus mouse
14 Reserved for hard drive
15 4190 network card *(Reserved for
hard drive if 636-802 is used)
Note: If a 4190 Network Card and a UL Card is used with the 636-802
CPU, refer to FSB 1060 for important details on the NPU IRQ
settings.
Continued on next page
Interrupt (IRQ) Settings, Continued
NPU IRQ Settings
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