Maintenance
& Service Guide
Presario 1900 Series
Models: 1905, 1906, 1910, 1915, 1919, 1920, 1922, and 1925
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Description | Troubleshooting
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Pin Assignments | Battery
Pack Operations
System Interrupts
IRQ Device(s) 0 System timer 1 Standard 101/102-Key or Microsoft Natural Keyboard 2 Programmable interrupt controller 3 Ambit Modem 4 Communications Port (COM1) 5 NMA2 Audio Controller 6 Standard Floppy Disk Controller 7 Printer Port (LPT1) 8 System CMOS/real time clock 9 Intel 82371AB/EB PCI to USB Universal Host Controller 10 PCI Fast Ethernet DEC 21143 Based Adapter 11 Texas Instruments PCI-1225 CardBus Controller NeoMagic NMG5 Graphics Controller
12 PS/2 Compatible Mouse Port 13 Numeric data processor 14 Intel 82371AB/EB PCI Bus Master IDE Controller 15 Intel 82371AB/EB PCI Bus Master IDE Controller
