Hardware irq map – Ampro Corporation LITTLE BOARD 5001451A User Manual
Page 89
Little Board P6d Module
3-9
74
66.1
100
74h
105h
1024x768
256*
8x16
128x48
44.9
65
78.75
94.5
121
35.5
48.4
60
68.7
84
43 (I)
60
75
85
100
78h
107h
1280x1024
256*
8x16
160x64
78.75
108
135
47
64
79.98
43 (I)
60
75
Notes: All modes in this table are Graphical, Linear, and the memory organization is Pack Pix, except
where noted. Refer to manufacturer’s data sheet for more information.
(I) = Interlaced
*These modes are non-Linear.
**The memory organization is Planar.
Hardware IRQ Map
Table 3-4 details the IRQ assignments for the Little Board P6d.
Table 3-4. Hardware IRQ Map
IRQ #
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Timer tick
X
Keyboard
X
Cascade
X
COM1
D
COM2
D
COM3
O
D
O
O
COM4
D
O
O
O
Floppy
X
LPT1
O
D
RTC
X
IDE
X
X
Math
X
Mouse
X
PCI INTA
O
D
O
O
PCI INTB
O
O
O
D
PCI INTC
D
O
O
O
PCI INTD
O
O
D
O
D = default
O = optional
X = hardwired