Maintenance & Service Guide
Presario 1900 Series
Models: 1900T, 1905, 1906, 1910, 1915, 1919, 1920,
1922, 1925, 1926, 1927, 1928, 1929, and 1930
Before You Begin |
| Specifications |
| Parts Catalog |
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Removal Sequence |
| Troubleshooting |
| Battery Operations |
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Product Description |
| Pin Assignments |
| Index |
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Specifications
System Interrupts
IRQ |
| Device(s) |
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0 |
| System Timer |
1Standard
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 |
9Intel 82371AB/EB PCI to USB Universal Host Controller
10PCI Fast Ethernet DEC 21143 Based Adapter
11Texas Instruments
NeoMagic NMG5 Graphics Controller
12 
PS/2 Compatible Mouse Port
13 
Numeric Data Processor
14Intel 82371AB/EB PCI Bus Master IDE Controller
15Intel 82371AB/EB PCI Bus Master IDE Controller
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