HP 14XL352, 14XL250, 14XL355, 14XL246, 14XL242 System DMA, Hardware DMA System Function, Address Hex

Presario 1400 Series

Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356

System DMA

	System DMA
Hardware DMA		System Function

DMA 2

DMA 4

Standard Floppy Disk Controller

Direct Memory Access Controller

System I/O Addresses

I/O Address (Hex)

0000h-000Fh

0020h-0021h

0040h-0043h

0060h-0060h

0061h-0061h

0062h-0062h

0064h-0064h

0066h-0066h

0070h-0075h

0081h-008Fh 00A0h-00A1h 00C0h-00DFh 00F0h-00FFh 0170h-0177h 0170h-0177h 01F0h-01F7h 01F0h-01F7h 0200h-0207h 02F8h-02FFh 0376h-0376h 0376h-0376h

System I/O Addresses

System Function (Shipping Configuration)

Direct Memory Access Controller

Programmable Interrupt Controller

System Timer

Standard 101/102-Key or Microsoft Natural Keyboard System Speaker

ACPI Embedded Controller

Standard 101/102-Key or Microsoft Natural Keyboard ACPI Embedded Controller

System CMOS/Real Time Clock

Direct Memory Access Controller

Programmable Interrupt Controller

Direct Memory Access Controller

Numeric Data Processor

VIA Bus Master PCI IDE Controller

Secondary IDE Controller (dual FIFO)

VIA Bus Master PCI IDE Controller

Primary IDE Controller (dual FIFO)

Gameport Joystick

Compaq 56K V.90 HSF Mini PCI Modem

Secondary IDE Controller (dual FIFO)

VIA Bus Master PCI IDE Controller

4 SPECIFICATIONS PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIES