Specifications

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Contents

iv Reference Manual LittleBoard 800

Serial Console.......................................................................................................................... 35

Serial Console Setup .......................................................................................................... 36

Hot (Serial) Cable .............................................................................................................. 36

Watchdog Timer....................................................................................................................... 36

Optional CPU Fan .................................................................................................................... 37

LAN LED .................................................................................................................................. 37

Chapter 4 BIOS Setup .............................................................................................................. 39

Introduction.................................................................................................................................... 39

Entering BIOS Setup (VGA Display) ........................................................................................ 39

Entering BIOS Setup (Serial Console) ..................................................................................... 39

PCI-ISA Bridge Mapping ............................................................................................................... 40

Logo Screen Utility (Splash Screen) .............................................................................................40

Logo Screen Image Requirements ......................................................................................... 40

Appendix A Technical Support .................................................................................................. 41

Index .................................................................................................................................. 43

List of Figures

Figure 2-1. Stacking PC/104 Modules with the LittleBoard 800 ................................................ 4

Figure 2-2. Functional Block Diagram ....................................................................................... 7

Figure 2-3. Component Locations (Front view) ......................................................................... 9

Figure 2-4. Component Locations (Back view) ........................................................................ 10

Figure 2-5. Connector Pin-Out Identification ........................................................................... 11

Figure 2-6. Connector Locations (Top view)............................................................................ 12

Figure 2-7. LittleBoard 800 Dimensions .................................................................................. 15

Figure 3-1. RS485 Serial Port Implementation ........................................................................ 22

Figure 3-2. Oops! Jumper Connection..................................................................................... 35

Figure 3-3. Hot Cable Jumper ................................................................................................. 36

List of Tables

Table 2-1. Major Integrated Circuit Description and Function .................................................. 7

Table 2-2. Header Descriptions.............................................................................................. 10

Table 2-3. Jumper Settings .................................................................................................... 13

Table 2-4. Weight and Footprint Dimensions ......................................................................... 13

Table 2-5. Environmental Requirements ................................................................................ 14

Table 2-6. Power Supply Requirements................................................................................. 14

Table 3-1. Interrupt Channel Assignments ............................................................................. 18

Table 3-2. Memory Map ......................................................................................................... 19

Table 3-3. I/O Address Map ................................................................................................... 19

Table 3-4. Parallel Interface Pin/Signal Descriptions (J16) .................................................... 20

Table 3-5. Serial A Interface Pin/Signal Descriptions (J11).................................................... 22

Table 3-6. Serial B Interface Pin/Signal Descriptions (J12).................................................... 24

Table 3-7. Utility 1 Interface Pin/Signal Descriptions (J15) .................................................... 27

Table 3-8. SMBus Reserved Addresses ................................................................................ 28

Table 3-9. Utility 2 Interface Pin/Signal Descriptions (J13) .................................................... 29

Table 3-10. Utility 3 Interface Pin/Signal Descriptions (J14) .................................................... 30

Table 3-11. Audio Interface Pin/Signal Descriptions (J9) ......................................................... 31

Table 3-12. CRT Interface Pin/Signal Descriptions (J3)........................................................... 32

Table 3-13. LVDS Interface Pin/Signal Descriptions (J26)....................................................... 32

Table 3-14. Power Supply Input Pin/Signal Descriptions (J19) ................................................ 34