
| Contents | 
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| Übersicht/Overview Mainboard D1931 | 
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| Mainboard D1931 | 1 | 
| Notational conventions | 1 | 
| Important notes | 2 | 
| Information about boards | 2 | 
| List of features | 3 | 
| Special features | 5 | 
| Brief instructions on installing mainboard | 7 | 
| Prior to installation | 7 | 
| Interfaces and connectors | 9 | 
| External ports | 9 | 
| LAN connector | 9 | 
| Graphics port | 10 | 
| Internal ports and connectors | 10 | 
| Hard disk connection | 10 | 
| Audio front panel | 11 | 
| Pin assignment of internal ports | 12 | 
| Jumper settings | 18 | 
| 19 | |
| Replacing processor | 19 | 
| Installing processor with heat sink | 19 | 
| Upgrading main memory | 22 | 
| Adding PCI Express cards | 24 | 
| Adding PCI cards | 24 | 
| PCI bus interrupts - Selecting correct PCI slot | 24 | 
| Replacing the lithium battery | 26 | 
| BIOS update | 27 | 
| BIOS Recovery - Recovering System BIOS | 28 | 
| Microcode Update | 29 | 
| Drivers | 30 | 
| Annex | 31 | 
| Electrical Properties | 31 | 
| APM and ACPI system status,  | 32 | 
| Mainboard Revision and BIOS Version | 33 | 
| Error messages | 34 | 
| Glossary | 38 | 
| English | 
