User manual
DIGITAL-LOGIC AG    MSB900/L Detailed Technical Manual V1.0 
4 
5.6.3.  Watchdog................................................................................................................................... 28 
5.6.4.  ROM-BIOS Sockets ................................................................................................................... 28 
5.6.5.  BIOS CMOS Setup .................................................................................................................... 29 
5.7.  CMOS RAM Map.......................................................................................................... 29 
5.8.  EEPROM saved CMOS Setup..................................................................................... 34 
5.8.1.  EEPROM Memory for Setup...................................................................................................... 35 
5.9.  Memory & I/O Map....................................................................................................... 35 
5.9.1.  System Memory Map ................................................................................................................. 35 
5.9.2.  System I/O map ......................................................................................................................... 36 
6.  VGA ..........................................................................................................................40 
6.1.  VGA/LCD Controller of the Geode LX900.................................................................. 40 
6.2.  Graphic Modes............................................................................................................ 40 
7.  Video Input ..............................................................................................................41 
8.  Description of the connectors ...............................................................................41 
9.  Jumper Locations on the Board ............................................................................53 
9.1.  The Jumpers on MSB900/L ........................................................................................ 53 
9.2.  Reload Default BIOS Settings .................................................................................... 53 
10.  Cable Interfaces ......................................................................................................55 
10.1.  The Hard Disk Cable 44pin......................................................................................... 55 
10.2.  The COM1/LPT Serial Interface Cable ....................................................................... 56 
10.3.  The COM2 Serial Interface Cable ............................................................................... 57 
11.  Thermal Specifications...........................................................................................58 
11.1.  Thermal Analysis for Case Integration...................................................................... 58 
12.  Assembly Views......................................................................................................59 
12.1.  MSB900/L .................................................................................................................... 59 
12.2.  Mechanical Dimensions ............................................................................................. 61 
13.  PXE-Boot and PXE-Setup in the BIOS ..................................................................62 
14.  PXE-License Order .................................................................................................64 
15.  Index ........................................................................................................................65 










