Ampro Corporation Littleboard 550 manual Contents

Contents
Chapter 1 About This Manual		1
Purpose of this Manual		1
Reference Material		1
Related Ampro Products		2
Chapter 2	Product Overview	5
EBX Architecture		5
Product Description		6
Board Features		7
Block Diagram		10
Major Integrated Circuits (ICs)		11
Connector Definitions		12
Additional Components		12
Jumper Definitions		14
LED Definitions		14
Specifications		16
Physical Specifications		16
Mechanical Specifications		17
Power Specifications		19
Environmental Specifications		19
Thermal/Cooling Requirements		19
Chapter 3	Hardware	21
Overview	.......................................................................................................................................	21
CPU (U1)	.......................................................................................................................................	22
Memory	.......................................................................................................................................	22
SDRAM Memory (DIMM1)		22
Flash Memory (U17)		22
Serial EEPROM (SEEP)		22
Interrupt Channel Assignments		23
Memory Map		23
I/O Address Map		24
PC/104-Plus Interface (J21)		25
PC/104 Interface (J1A,B,C,D)		30
IDE Interface (J12, J17)		35
CompactFlash Adapter (J23)		39
Floppy Drive Interface (J14)		41
Parallel Port Interface (J15)		42
Serial Interfaces (J11, J13)		43
Utility Interfaces		47
Utility 1 Interface (J16)		47
Keyboard Interface		47
External Battery		47
Reset Switch		47
PC Speaker		47
Utility 2 Interface (J24)		48
Mouse Interface		48
System Management Bus (SMBus)		48

LittleBoard 550 Reference Manual iii