User manual
DIGITAL-LOGIC AG    MSB900/L Detailed Technical Manual V1.0 
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2.  OVERVIEW 
2.1.  Standard Features of the MSB900/L 
The MICROSPACE 3.5”-SBC is a miniaturized modular device incorporating the major elements of a PC/AT 
compatible computer. It includes standard PC/AT compatible elements, such as: 
  Powerful GEODE LX-900 600MHz 
  Legacy BIOS ROM 
  DDR-SODIMM 200pin socket (for DDR-RAM 256-1024MB) 
  128k second level cache 
  Timers 
  DMA 
  Real-time clock with CMOS-RAM and battery buffer (only on MSB900, not on MSB900L) 
  LPT1 parallel port 
  COM1-, COM2- RS2332 serial port 
  Speaker interface 
  PS/2-keyboard and mouse interface (shared on one mini DIN connector) 
  PATA-IDE hard disk interface 
  VGA video interface 
  PCI/104 (one slot), limited I/O connector space 
  4 Channels USB 2.0 
  Onboard CF socket Type II 
2.2.  Unique Features 
The  MICROSPACE  3.5”-SBC  includes  all  standard  PC/AT  functions  plus  unique  DIGITAL-LOGIC  AG  en-
hancements, such as: 
  Two channel LAN Ethernet, INTEL 82551QM (LAN A) and INTEL 82551ER (LAN B) 
  Boot from LAN (PXE and RPL) 
  Single 8 - 32Volt supply 
  Video input (only on MSB900, not available on MSB900L) 
  Watchdog 
  EEPROM for setup and configuration 
  UL approved parts 
  Optional: interface for operator display (LVDS, COM2, CRT, USB, SMBus) 










