S5935QF Applied Micro Circuits Corporation, S5935QF Datasheet - Page 55
S5935QF
Manufacturer Part Number
S5935QF
Description
Manufacturer
Applied Micro Circuits Corporation
Datasheet
1.S5935QF.pdf
(204 pages)
Specifications of S5935QF
Package Type
PQFP
Rad Hardened
No
Lead Free Status / Rohs Status
Not Compliant
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S5935 – PCI Product
INTERRUPT LINE REGISTER (INTLN)
Figure 20. Interrupt Line Register
AMCC Confidential and Proprietary
Register Name
Address Offset
Power-up value
Boot-load
Attribute
Size
7
Interrupt Line
3Ch
FFh
External nvRAM offset 7Ch
Read/Write
8 bit
6
5
42
FFh
3
This register indicates the interrupt routing for the
S5935 controller. The ultimate value for this register is
system-architecture specific. For x86 based PCs, the
values in this register correspond with the established
interrupt numbers associated with the dual 8259 con-
trollers used in those machines. In x86-based PC
systems, the values of 0 to 15 correspond with the IRQ
numbers 0 through 15, and the values from 16 to 254
are reserved. The value of 255 (the controller’s default
power-up value) signifies either “unknown” or “no con-
nection” for the system interrupt. This register is boot-
loaded from the external boot memory, if present, and
may be written by the PCI interface.
Revision 1.02 – June 27, 2006
1
0
Data Book
DS1527
Bit
Value
55
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