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Chapter 6
ATCA-7475 Installation and Use (6806800S38D)
139
Maps and Registers
6.1
Interrupt Structure
The ATCA-7475 supports NON-APIC (legacy PIC Mode) and APIC mode of Interrupt delivery to
the CPUs. 8259 PIC mode interrupt concentrator inside the Intel Cavecreek PCH supports 16
interrupts (8 external signal inputs). The IO-APIC device inside the Intel Cavecreek PCH
supports 24 interrupt sources. In APIC mode the Intel Cavecreek PCH supports only Front side
bus interrupt delivery (not the serial APIC mode). The following figure summarizes the
interrupt sources and mappings for ATCA-7475. APIC mode is configured through BIOS after
boot-up phase which is done in legacy PIC mode.
Figure 6-1
Interrupt Structure on ATCA-7475
Summary of Contents for ATCA-7475
Page 1: ...ATCA 7475 Installation and Use P N 6806800S38D May 2014 ...
Page 24: ...ATCA 7475 Installation and Use 6806800S38D About this Manual 24 About this Manual ...
Page 34: ...ATCA 7475 Installation and Use 6806800S38D Sicherheitshinweise 34 ...
Page 42: ...Introduction ATCA 7475 Installation and Use 6806800S38D 42 ...
Page 64: ...Hardware Preparation and Installation ATCA 7475 Installation and Use 6806800S38D 64 ...
Page 80: ...Controls Indicators and Connectors ATCA 7475 Installation and Use 6806800S38D 80 ...
Page 138: ...Functional Description ATCA 7475 Installation and Use 6806800S38D 138 ...
Page 250: ...Supported IPMI Commands ATCA 7475 Installation and Use 6806800S38D 250 ...
Page 268: ...FRU Information and Sensor Data Records ATCA 7475 Installation and Use 6806800S38D 268 ...
Page 281: ......