CPC314
C P C 3 1 4 U s e r M a n u a l
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2 Intended Use
2.1 Operating limitations
The safety requirements listed at the beginning of this User Manual should be strictly observed.
Installation and removal of the device, connection to the slots should be carried out only with the
power supply turned off. Always observe the proper orientation of the device connectors during
installation.
Operation of the device where the supply voltage that does not correspond to the one specified in
subparagraph 1.4 Power supply
is not allowed.
Operation of the device when exposed to external factors that do not correspond to the ones
specified in subparagraph 1
.2 Technical Specifications
is not allowed.
2.2 Distribution of hardware interrupts
Table 2-1
– Addresses of hardware interrupts
#
Default sources
Alternative sources
NMI
IRQ0
Reserved (system timer)
IRQ1
Keyboard
IRQ2
Reserved (interrupt from the slave controller)
IRQ3
COM2 / COM4
IRQ4
COM1 / COM3
IRQ5
USB
IRQ6
Ethernet
IRQ7
LPT port
IRQ8
RTC (Real Time Clock)
IRQ9
-
IRQ10
Ethernet
IRQ11
-
IRQ12
-
IRQ13
Reserved (CPU support)
IRQ14
ATA controller
IRQ15
-
2.3 DMA channels
Table 2-2
– DMA channels of the device
#
Source
DRQ0
–
