Users Guide


IRQ (Interrupt Request) 
IRQ 3 IRQ 
3 IRQ

4 

4 
4-3-1

0FFFFh
System Memory Dell
4-3-3


Dell 
4-3-4

Dell 
4-4-1

Serial/Infrared Ports Dell
5-1-2

System Memory Dell
 :  COM1
 IRQ 
Microsoft
® Windows® 95  Windows 98  Start  Settings 
 Control Panel  System  Device Manager  Computer
IRQ
/
IRQ0

IRQ1

IRQ2
IRQ8 IRQ15 
IRQ3
COM2 COM4
IRQ4
COM1 () COM3
IRQ5

IRQ6

IRQ7

IRQ8
RTC I/O 
IRQ9

IRQ10
C/Port APR C/Dock
IRQ11
USB 
IRQ12
PS/2 
IRQ13

IRQ14

IRQ15

 :  95  98  Start  Settings 
Control Panel  System  Device Manager  Computer


0000h-003FFh

00400h-004FFh
(BIOS)
00500h-005FFh
MS-DOS® BASIC
00600h-9FBFFh
