Siemens SIMATIC Rack PC 840 V2 - Interrupt Assignments

Detailed descriptions
16.4 System resources
SIMATIC Rack PC 840 V2
Operating Instructions, Edition 05/2006, A5E00248055-04
16-19
I/O address (hex)
0CFC 0CFF 4 PCI configuration data fixed
0D00 0EFF 512 Unused
0F00 0F4F 80 Super IO
0F50 0FFF 176 Unused
1000 10FF 256 Internal allocation
1180 11FF 128 Internal allocation
1800 187F 128 Internal allocation
8800 8BFF 1023 SATA RAID Controller
8C00 FEFF 29288 Unused at SATA-RAID
8870 8897 39 PATA RAID Controller
8898 FEFF 30311 Unused at PATA-RAID
1880 886F 28655 Unused
FF00 FF0F 16 EIDE bus master register
16.4.2.2 Interrupt assignments
Interrupt Description Comment
IRQ0 Timer output 0 fixed
IRQ1 Keyboard fixed
IRQ2 Cascaded (IRQ9) fixed
IRQ3 Serial port 2
2)
IRQ4 Serial port 1
2)
IRQ5 PCI, Plug and Play
1)
Priority interrupt for PROFIBUS
IRQ6 FD controller fixed
IRQ7 Parallel port 1
2)
IRQ8 Real-time clock (RTC) fixed
IRQ9 PCI, Plug and Play
(Redirected IRQ2)
1) 2)
Priority interrupt for Ethernet and
RAID controller
IRQ10 PCI, Plug and Play
1) 2)
Priority interrupt for VGA
IRQ11 Reserved for SOM or ISA modules
2)
IRQ12 PS/2 mouse
2)
IRQ13 Numeric processor fixed
IRQ14 1. HD controller 1 (primary)
2)
IRQ15 2. HD controller 2 (secondary)
2)