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Maps and Registers
ATCA-7475 Installation and Use (6806800S38D
)
142
In APIC mode the PCI Interrupts A:H are mapped to IRQ[16:23].
When programming the polarity of internal interrupt sources on the APIC, interrupts 0 through
15 receive active-high internal interrupt sources; interrupts 16 through 23 receive active-low
internal interrupt sources.
If an interrupt is used for PCI IRQ[A:H], SCI, or TCO, it must not be used for ISA (legacy)-style
interrupts (via SERIRQ).
6.1.3
NMI Generation
The Intel Cavecreek PCH can generate Non-Maskable Interrupts (NMIs) by several sources
which are described In the following table:
21
N/A
PIRQ[F]# 1
Yes
Option for SCI, TCO, and HPET #0,1,2,3. For
other internal devices are routable.
22
N/A
PIRQ[G]#1
Yes
Option for SCI, TCO, and HPET #0,1,2,3. For
other internal devices are routable.
23
N/A
PIRQ[H]# 1
Yes
Option for SCI, TCO, and HPET #0,1,2,3. For
other internal devices are routable.
Table 6-2 APIC Mode Interrupt Mapping (continued)
IRQ
Via
SERIRQ
Direct from
Pin
Via PCI
Message
Interrupt Source
Table 6-3 NMI Sources
Cause of NMI
Comment
SERR# goes active (either internally, externally
via SERR# signal, or via message from
SandyBridge-EP
For example, SERR# message from SandyBridge-
EP due to memory ECC errors can instead be
routed to generate an SCI, through the
NMI2SCI_EN bit (Device 31:Function 0, TCO Base
+ 08h, bit 11).
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: ......