82443MX Datasheet, PDF (141/173 Pages) Intel Corporation – PCIset

82443MX PCIset
IR Q1
IR Q3
IR Q4
IR Q5
I R Q6
IR Q7
IR Q8#
i nv
IR Q9
I RQ1 0
I RQ11
I R Q1 2/M
I RQ1 4
I R Q1 5
T i mer /Count er
Decoder
I R Q0
8 2 C5 9
0
1
2
3
4
5
6
7
8 2 C5 9
8
9
10
11
12
I R Q1 3
13
14
15
PIRQ#
(ABCD)
4
s ync
MBIRQ control
R egi s t e r s
PI RQx # Con tr ol
R egi s t er s
Figure 20. Section of Interrupt Steering Logic (without Serial IRQ)
129