Index
=>
IRQ Matching
Matching exercise
Match the items on the right to the items on the left.
Check
IRQ 0
???
LPT 1
Cascaded with 9
Com 2 & 4
Open or PS2 Mouse
Open (2)
Floppy Controller
System Clock
Math Co Processor
Cascaded with 2
Keyboard
Open (1)
System Timer
Secondary EIDE Controller
Com 1 & 3
Primary EIDE Controller
LPT 2
IRQ 1
???
LPT 1
Cascaded with 9
Com 2 & 4
Open or PS2 Mouse
Open (2)
Floppy Controller
System Clock
Math Co Processor
Cascaded with 2
Keyboard
Open (1)
System Timer
Secondary EIDE Controller
Com 1 & 3
Primary EIDE Controller
LPT 2
IRQ 2
???
LPT 1
Cascaded with 9
Com 2 & 4
Open or PS2 Mouse
Open (2)
Floppy Controller
System Clock
Math Co Processor
Cascaded with 2
Keyboard
Open (1)
System Timer
Secondary EIDE Controller
Com 1 & 3
Primary EIDE Controller
LPT 2
IRQ 3
???
LPT 1
Cascaded with 9
Com 2 & 4
Open or PS2 Mouse
Open (2)
Floppy Controller
System Clock
Math Co Processor
Cascaded with 2
Keyboard
Open (1)
System Timer
Secondary EIDE Controller
Com 1 & 3
Primary EIDE Controller
LPT 2
IRQ 4
???
LPT 1
Cascaded with 9
Com 2 & 4
Open or PS2 Mouse
Open (2)
Floppy Controller
System Clock
Math Co Processor
Cascaded with 2
Keyboard
Open (1)
System Timer
Secondary EIDE Controller
Com 1 & 3
Primary EIDE Controller
LPT 2
IRQ 5
???
LPT 1
Cascaded with 9
Com 2 & 4
Open or PS2 Mouse
Open (2)
Floppy Controller
System Clock
Math Co Processor
Cascaded with 2
Keyboard
Open (1)
System Timer
Secondary EIDE Controller
Com 1 & 3
Primary EIDE Controller
LPT 2
IRQ 6
???
LPT 1
Cascaded with 9
Com 2 & 4
Open or PS2 Mouse
Open (2)
Floppy Controller
System Clock
Math Co Processor
Cascaded with 2
Keyboard
Open (1)
System Timer
Secondary EIDE Controller
Com 1 & 3
Primary EIDE Controller
LPT 2
IRQ 7
???
LPT 1
Cascaded with 9
Com 2 & 4
Open or PS2 Mouse
Open (2)
Floppy Controller
System Clock
Math Co Processor
Cascaded with 2
Keyboard
Open (1)
System Timer
Secondary EIDE Controller
Com 1 & 3
Primary EIDE Controller
LPT 2
IRQ 8
???
LPT 1
Cascaded with 9
Com 2 & 4
Open or PS2 Mouse
Open (2)
Floppy Controller
System Clock
Math Co Processor
Cascaded with 2
Keyboard
Open (1)
System Timer
Secondary EIDE Controller
Com 1 & 3
Primary EIDE Controller
LPT 2
IRQ 9
???
LPT 1
Cascaded with 9
Com 2 & 4
Open or PS2 Mouse
Open (2)
Floppy Controller
System Clock
Math Co Processor
Cascaded with 2
Keyboard
Open (1)
System Timer
Secondary EIDE Controller
Com 1 & 3
Primary EIDE Controller
LPT 2
IRQ 10
???
LPT 1
Cascaded with 9
Com 2 & 4
Open or PS2 Mouse
Open (2)
Floppy Controller
System Clock
Math Co Processor
Cascaded with 2
Keyboard
Open (1)
System Timer
Secondary EIDE Controller
Com 1 & 3
Primary EIDE Controller
LPT 2
IRQ 11
???
LPT 1
Cascaded with 9
Com 2 & 4
Open or PS2 Mouse
Open (2)
Floppy Controller
System Clock
Math Co Processor
Cascaded with 2
Keyboard
Open (1)
System Timer
Secondary EIDE Controller
Com 1 & 3
Primary EIDE Controller
LPT 2
IRQ 12
???
LPT 1
Cascaded with 9
Com 2 & 4
Open or PS2 Mouse
Open (2)
Floppy Controller
System Clock
Math Co Processor
Cascaded with 2
Keyboard
Open (1)
System Timer
Secondary EIDE Controller
Com 1 & 3
Primary EIDE Controller
LPT 2
IRQ 13
???
LPT 1
Cascaded with 9
Com 2 & 4
Open or PS2 Mouse
Open (2)
Floppy Controller
System Clock
Math Co Processor
Cascaded with 2
Keyboard
Open (1)
System Timer
Secondary EIDE Controller
Com 1 & 3
Primary EIDE Controller
LPT 2
IRQ 14
???
LPT 1
Cascaded with 9
Com 2 & 4
Open or PS2 Mouse
Open (2)
Floppy Controller
System Clock
Math Co Processor
Cascaded with 2
Keyboard
Open (1)
System Timer
Secondary EIDE Controller
Com 1 & 3
Primary EIDE Controller
LPT 2
IRQ 15
???
LPT 1
Cascaded with 9
Com 2 & 4
Open or PS2 Mouse
Open (2)
Floppy Controller
System Clock
Math Co Processor
Cascaded with 2
Keyboard
Open (1)
System Timer
Secondary EIDE Controller
Com 1 & 3
Primary EIDE Controller
LPT 2
Check
OK
Index
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