Compaq 1232 System DMA, System I/O Address, System DMA, Hardware DMA, System Function, I/O Address (Hex), System I/O Address, System Function (Shipping Configuration)

"Compaq.com - Compaq Presario 1200 Series Maintenance and Service Guide - Models: 1230 and 1232

IRQ4	Serial Port (COM1)
IRQ5	Audio Controller
IRQ6	Diskette Drive
IRQ7	Parallel Port (LPT 1) (default)
IRQ8	System CMOS/Real-Time Clock
IRQ9	Video Controller
IRQ9	IRQ Holder for PCI Steering
IRQ10	PCI-1221 CardBus Controller
IRQ10	PCI-1221 CardBus Controller
IRQ10	IRQ Holder for PCI Steering
IRQ11	Compaq PCI to USB Open Host Controller
IRQ11	IRQ Holder for PCI Steering
IRQ12	PS/2 TouchPad/Mouse
IRQ13	Numeric processor
IRQ14	Primary IDE Controller
IRQ15	Secondary IDE Controller

System DMA

	System DMA
Hardware DMA	System Function
DMA 1	Audio Controller
DMA 2	Diskette Drive
DMA 4	DMA Controller
DMA 5	Audio Controller

System I/O Address

	System I/O Address
I/O Address (Hex)	System Function (Shipping Configuration)
0000h-000Fh	DMA Controller # 1
0020h-0021h	Interrupt Controller # 1
0022h-0023h	Motherboard resources
0040h-0043h	System timer
0060h-0060h	Keyboard Controller
0061h-0061h	System speaker
0064h-0064h	Standard 101/102-Key or Microsoft Natural Keyboard
0070h-0071h	System CMOS/real time clock
0081h-008Fh	DMA Controller
0092h-0092h	Motherboard resources
00A0h-00A1h	Programmable interrupt controller

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