Maintenance
& Service Guide
Presario 1900 Series
Models: 1905, 1906, 1910, 1915, 1919, 1920, 1922, and 1925
| Home
Page | Notice | Preface | Product
Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications
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 |
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