Specifications and Environment B-5
Interrupt Controllers
The following table shows default interrupt level assign-
ments 0 through 15.
IRQ Settings
NAME*
PRIORITY**
DEVICE
IRQ00
0
System Timer
IRQ01
1
Standard Keyboard
IRQ02
2
Programmable Interrupt Controller
IRQ03
11
COM2
IRQ04
12
COM1
IRQ05
13
Audio
IRQ06
14
Floppy Diskette Controller
IRQ07
15
ECP LPT1
IRQ08
3
RTC
IRQ09
4
Reserved (PC Card)
IRQ10
5
Reserved (PC Card)
IRQ11
6
Reserved (PC Card)
IRQ12
7
PS/2 Port Mouse
IRQ13
8
Floating Point Unit (FPU)
IRQ14
9
Primary IDE
IRQ15
10
Secondary IDE
*IRQs 00 through 07 are serviced by the Master controller;
08 through 15 are serviced by the Slave controller.
**The lower the priority number, the higher the priority level.
Summary of Contents for Versa 2500 Series
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