Contents

Figure 2-4.

Connector and Fuse Locations (Top view)

13

Figure 2-5.

Jumpers Locations (Top view)

15

Figure 2-6. Component and Fuses Locations (Bottom view)

16

Figure 2-7.

LittleBoard 550 Dimensions (Top view, #1)

17

Figure 2-8.

LittleBoard 550 Dimensions (Top view, #2)

18

Figure 3-1.

RS485 Serial Port Implementation

43

Figure 3-2. Oops! Jumper Connection

59

Figure 3-3. Hot Cable Jumper

60

Figure 4-1. Opening BIOS Screen

65

Figure 4-2.

Modifying Setup Parameters Screen

66

Figure B-1. PXE Agent Boot Setup Screen

87

List of Tables

 

Table 2-1.

Major Integrated Circuit Description and Function

11

Table 2-2.

Connector Descriptions

12

Table 2-3.

Additional Component Descriptions

12

Table 2-4.

Jumper Settings

14

Table 2-5.

Ethernet Port 1 (J7) LED Indicators

14

Table 2-6.

Ethernet Port 2 (J32) LED Indicators

14

Table 2-7.

Weight and Footprint Dimensions

16

Table 2-8. Power Supply Requirements

19

Table 2-9.

Environmental Requirements

19

Table 3-1.

Interrupt Channel Assignments

23

Table 3-2. Memory Map

24

Table 3-3. I/O Address Map

24

Table 3-4.

PC/104-Plus Pin/Signal Descriptions (J21)

25

Table 3-5.

PC/104 Interface Pin/Signal Descriptions (J1A)

30

Table 3-6.

PC/104 Interface Pin/Signal Descriptions (J1B)

31

Table 3-7.

PC/104 Interface Pin/Signal Descriptions (J1C)

33

Table 3-8.

PC/104 Interface Pin/Signal Descriptions (J1D)

33

Table 3-9.

Primary IDE Interface Pin/Signal Descriptions (J12)

35

Table 3-10.

Secondary IDE Interface Pin/Signal Descriptions (J17)

36

Table 3-11.

CompactFlash Interface Pin/Signal Descriptions (J23)

39

Table 3-12.

Floppy Drive Interface Pin/Signal Descriptions (J14)

41

Table 3-13.

Parallel Interface Pin/Signal Descriptions (J15)

42

Table 3-14.

Serial A Interface Pin/Signal Descriptions (J11)

44

Table 3-15.

Serial B Interface Pin/Signal Descriptions (J13)

45

Table 3-16.

Utility 1 Interface Pin/Signal Descriptions (J16)

48

Table 3-17. SMBus Reserved Addresses

49

Table 3-18.

Utility 2 Interface Pin/Signal Descriptions (J24)

50

Table 3-19.

Utility 3 Interface Pin/Signal Descriptions (J18)

51

Table 3-20.

Ethernet Port 1 Pin/Signal Descriptions (J7)

52

Table 3-21.

Ethernet Port 2 Pin/Signal Descriptions (J32)

53

Table 3-22.

Audio Interface Pin/Signal Descriptions (J28)

54

Table 3-23.

CRT Interface Pin/Signal Descriptions (J5)

55

Table 3-24.

LCD Interface 1 Pin/Signal Descriptions (J3)

56

Table 3-25.

LCD Interface 2 Pin/Signal Descriptions (J4)

57

Table 3-26.

LVDS Interface Pin/Signal Descriptions (J31)

58

Table 3-27.

Power Interface Pin/Signal Descriptions (J10)

61

LittleBoard 550

Reference Manual

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Ampro Corporation Littleboard 550 manual List of Tables