Compaq Presario 1800 Presario 1800XL Series Maintenance and Service Guide - Page 16
System Interrupts, System DMA, Hardware, System Function - motherboard
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Presario 1800 Series Models: XL180, XL181, XL182, XL183, XL185, and XL190, XL191, XL192 System Interrupts Hardware IRQ System Function Hardware IRQ System Function IRQ0 System Timer IRQ10 Available IRQ1 Standard 101/102-Key or Microsoft Natural Keyboard IRQ11 Intel (R) Pro/100S Mobile LAN on Motherboard IRQ2 Programmable Interrupt Controller IRQ11 Texas Instruments PCI-1410 CardBus Controller IRQ3 Lucent 56K V.90 PCI DF Modem IRQ11 ACPI IRQ Holder for PCI IRQ Steering IRQ3 ACPI IRQ Holder for PCI IRQ Steering IRQ11 Intel 82371AB/EB PCI to USB Universal Host Controller IRQ4 Communications Port (COM1) IRQ11 ACPI IRQ Holder for PCI IRQ Steering IRQ5 ESS SOLO-1 PCI AudioDrive IRQ12 Synaptics PS/2 TouchPad IRQ5 ACPI IRQ Holder for PCI IRQ Steering IRQ13 Numeric Data Processor IRQ5 RAGE Mobility AGP (English) IRQ14 Intel 82371AB/EB PCI Bus Master IDE Controller IRQ6 Standard Floppy Disk Controller IRQ14 Primary IDE Controller (Dual FIFO) IRQ7 Printer Port (LPT1) IRQ15 Intel 82371AB/EB PCI Bus Master IDE Controller IRQ8 System CMOS/Real Time Clock IRQ15 Secondary IDE Controller (Dual FIFO) IRQ9 SCI IRQ used by ACPI Bus System DMA Hardware DMA System Function DMA1 ESS SOLO-1 DOS Emulation DMA2 Standard Floppy Disk Controller DMA3 ECP Printer Port (LPT1) DMA4 Direct memory access Controller 2 SPECIFICATIONS PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES
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