MiTAC 8050QMA Service Manual page 3

Contents
5. Pin Description of Major Component ................................................................................
5.1 Intel 915PM North Bridge .............................................................................................................
5.2 Intel ICH6-M South Bridge ............................................................................................................
6. System Block Diagram ...................................................................................................
7. Maintenance Diagnostics ................................................................................................
7.1 Introduction ................................................................................................................................
7.2 Maintenance Diagnostics.................................................................................................................
7.3 Error Codes ................................................................................................................................
8. Trouble Shooting ..........................................................................................................
8.1 No Power ....................................................................................................................................
8.2 No Display ..................................................................................................................................
8.3 VGA Controller Failure LCD No Display ............................................................................................
8.4 External Monitor No Display ...........................................................................................................
8.5 Memory Test Error .......................................................................................................................
8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error .......................................................................................
8.7 Hard Drive Test Error ..................................................................................................................
8.8 CD-ROM Drive Test Error ............................................................................................................
8.9 USB Port Test Error ......................................................................................................................
8.10 Audio Failure .............................................................................................................................
8.11 LAN Test Error ..........................................................................................................................
80 50QMA N/B Maintenance
80 50QMA N/B Maintenance
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