3 interrupt usage, 986lcd-m family – Kontron 986LCD-M-mITX (BGA) User Manual
Page 61
986LCD-M Family
KTD-N0837-B
Public
User Manual
Date: 2012-04-17
Page
61 of 91
6.3 Interrupt Usage
IRQ
O
nboar
d s
y
s
tem
par
it
y
er
ror
s
and I
O
C
H
C
H
K
s
ignal
ac
ti
v
at
ion
O
nboar
d T
im
er
0 I
nt
er
rupt
O
nboar
d K
ey
boar
d I
nt
er
rupt
U
s
ed f
or
C
as
c
adi
ng I
R
Q
8
-I
RQ
1
5
M
ay
be us
ed by
onboar
d S
er
ial
P
or
t A
M
ay
be us
ed by
onboar
d S
er
ial
P
or
t B
/
I
rD
A
P
or
t
Ma
y
be us
ed by
onboar
d S
er
ial
P
or
t C
M
ay
be us
ed by
onboar
d S
er
ial
P
or
t D
M
ay
be us
ed by
onboar
d F
ir
eWi
re c
ont
rol
ler
M
ay
be us
ed by
onboar
d P
ar
al
lel
P
or
t
M
ay
be us
ed by
onboar
d F
loppy
di
s
k
C
ont
rol
ler
U
s
ed by
onboar
d R
eal
T
im
e C
loc
k
A
lar
m
M
ay
be us
ed by
onboa
rd P
/S
2 s
uppor
t
U
s
ed f
or
O
nboar
d
c
o
-pr
oc
es
s
or
s
uppor
t
M
ay
be us
ed by
pr
im
ar
y
har
ddi
s
k
c
ont
rol
ler
M
ay
be us
ed by
s
ec
ondar
y
har
ddi
s
k
c
ont
rol
ler
M
ay
be us
ed f
or
S
A
T
A
R
A
ID
c
ont
rol
ler
M
ay
be us
ed f
or
onboar
d
S
ound S
y
s
tem
M
ay
be us
ed f
or
P
C
I E
x
pr
es
s
R
oot
P
or
t
M
ay
be us
ed by
onboar
d U
S
B
c
ont
rol
ler
M
ay
be us
ed by
onboar
d E
ther
net
c
ont
rol
ler
1
M
ay
be us
ed by
onboar
d E
ther
net
c
ont
rol
ler
2
M
ay
be us
ed by
onboar
d E
ther
net
c
ont
rol
ler
3
M
ay
be us
ed by
onboar
d V
G
A
C
ont
rol
ler
M
ay
be us
ed by
onboar
d S
M
B
us
C
ont
rol
ler
A
v
a
ila
bl
e
on P
C
I s
lot
s
as
I
R
Q
A
-I
R
Q
D
dependi
ng on
BI
O
S
s
el
ec
ti
ons
Notes
NMI
•
IRQ0
•
IRQ1
•
IRQ2
•
IRQ3
•
•
1, 2
IRQ4
•
•
1, 2
IRQ5
•
1, 2
IRQ6
•
•
1, 2
IRQ7
•
•
1, 2
IRQ8
•
IRQ9
•
1, 2
IRQ10
•
•
1, 2
IRQ11
•
•
1, 2
IRQ12
•
•
1
IRQ13
•
IRQ14
•
•
1
IRQ15
•
•
1
IRQ16
•
•
•
•
•
•
3
IRQ17
•
•
3
IRQ18
•
•
•
3
IRQ19
•
•
3
IRQ20
3
IRQ21
3
IRQ22
3
IRQ23
•
3
IRQ24
3
IRQ25
3
IRQ26
3
Notes:
1.
Availability of the shaded IRQs depends on the setting in the BIOS. According to the PCI Standard,
PCI Interrupts IRQA-IRQD can be shared.
2.
These interrupt lines are managed by the PnP handler and are subject to change during system
initialisation.
3.
IRQ16 to IRQ26 are APIC interrupts