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Ampro Little Board 700, Reference Manual

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Chapter 2 

Product Overview 

LittleBoard 700

Reference Manual

11

Major Integrated Circuits (ICs)

Table 2-1 lists the major integrated circuits, including a brief description of each, on the LittleBoard 700 
and Figure 2-4 shows the location of the major chips. 

Table 2-1.  Major Integrated Circuit Description and Function

Chip Type

Mfg.

Model

Description

Function

CPU (U1)

Intel

Pentium III 
or Celeron

CPUs offered at 933MHz (LV Pentium III) 
LP 650MHz or 400MHz (ULP Celeron)

Embedded
CPU

Northbridge (U2) VIA Tech-

nologies, Inc.

VT8606

Northbridge functions plus Video 

Memory
and Video

Southbridge (U3) VIA Tech-

nologies, Inc.

VT82C686B

Southbridge (provides most standard I/O 
functions )

I/O
Functions

Super I/O 
Controller (U13)

Standard
Microsystems

SP37E760

The I/O controller provides two 
additional serial ports

Serial ports

Ethernet
Controllers
(U5, U6)

Intel

82551ER

Ethernet– These chips provide two
independent 10/100BaseT based network 
channels.

Ethernet
functions

L

B

700A

_N

01a

JP7

JP5

L6

L3

L5

JP3

JP4

JP6

JP8

J7

J32

BA

T

1

U17

J15

J13

J14

J16

J11

U14

U12

U8

U7

J24

J23

U1
9

U2
3

U9

U26

U4

U27

U24

U22

U1
1

U16

S

o

ut

hb

rid

ge

(U3

)

Eth

ernet

(U

5)

Eth

ern

et

(U

6)

Y1

U33

JP9

J31

J18

J28

N

o

rt

hb

ri

d

ge

(U

2)

J5

J4

J3

J2

D

IMM1

F5

J1

U25

U21

U1
0

U1
5

J21

U3
4

U3
2

U3
1

J17

J10

J12

Y

5

L2

CPU (U1)

CPU (U1)

Northbridge (U2)

Southbridge (U3)

   Ethernet 2 (U6)
       (Optional on
  400MHz model)

Ethernet 1 (U5)

Audio
Amplifier (U27)

Audio
CODEC (U26)

Flash (U17)

Battery (Bat1)

Clock (U4)

 On Board

 Voltage

Regulation
   Circuitry

Figure 2-3.  LittleBoard 700 Component Location (Top view)

Summary of Contents for Little Board 700

Page 1: ...Little Board 700 Single Board Computer Reference Manual P N 5001670A Revision D...

Page 2: ...time to time without obligation to notify any person of such revisions If errors are found please contact Ampro at the address listed below on the Notice page of this document TRADEMARKS Ampro and the...

Page 3: ...pecifications 19 Environmental Specifications 19 Thermal Cooling Requirements 19 Chapter 3 Hardware 21 Overview 21 CPU U1 22 Memory 22 SDRAM Memory 22 Flash Memory U17 22 Serial EEPROM SEEP 22 Interru...

Page 4: ...onfiguration Screen 62 Splash Screen Customization 74 Splash Screen Image Requirements 74 Converting the Splash Screen File 74 Appendix A Technical Support 77 Appendix B Connection Part Numbers 79 Ind...

Page 5: ...ble 3 11 CompactFlash Interface Pin Signal Descriptions J23 36 Table 3 12 Floppy Drive Interface Pin Signal Descriptions J14 38 Table 3 13 Parallel Interface Pin Signal Descriptions J15 39 Table 3 14...

Page 6: ...Contents vi Reference Manual LittleBoard 700...

Page 7: ...ation Internal registers or signal operations Bus or signal timing for industry standard busses and signals Reference Material The following list of reference materials may be helpful for you to compl...

Page 8: ...evelopment System provides an integrated and easy to use self hosted development environment that lets you maximize the benefit of using an off the shelf board as the basis of your embedded system des...

Page 9: ...cs controllers and or an Ethernet interface The CoreModules also come with built in extras to meet the critical reliability requirements of embedded applications These include onboard solid state disk...

Page 10: ...Chapter 1 About This Manual 4 Reference Manual LittleBoard 700...

Page 11: ...s highly flexible and adaptable system expansion allowing easy and modular addition of functions such as USB 2 0 Firewire or wireless networking not usually contained in standard product offerings The...

Page 12: ...dent 10 100BaseT Ethernet interfaces and an audio AC97 CODEC on the board The LB 700 also supports up to 1GB of SDRAM in a single 168 pin DIMM slot and a AGP4x graphics controller which provides CRT a...

Page 13: ...8MHz PCI 2 2 compliant PCI Bus speed at 33MHz IDE Interfaces Supports two enhanced IDE controllers 4 devices Supports dual bus master mode Supports Ultra DMA 33 66 100 modes Supports ATAPI and DVD per...

Page 14: ...1 and Intel Universal HCI v1 1 Supports over current fuses on board Supports over current detection status on board Keyboard Mouse Interface Supports PS 2 keyboard Supports PS 2 mouse Audio interface...

Page 15: ...t with Rev 2 0 of AGP Interface 36 bit flat panel outputs DSTN TFT LVDS outputs 1 or 2 channel four differential signals 3 bits clock Miscellaneous Real time clock RTC with replaceable battery Battery...

Page 16: ...ics RJ45 Connectors 2 Keyboard Mouse SMBus Northbridge VT8606 CRT Flat Panel LVDS Connectors PC 104 Plus Bus Connector PCI Bus IrDA 1 1 Floppy Parallel AC97 CODEC COM3 COM4 IDE Primary IDE Secondary U...

Page 17: ...O Functions Super I O Controller U13 Standard Microsystems SP37E760 The I O controller provides two additional serial ports Serial ports Ethernet Controllers U5 U6 Intel 82551ER Ethernet These chips p...

Page 18: ...t 26 pin connector for parallel port interface J16 Utility 1 16 pin connector for keyboard external battery reset switch speaker J17 Secondary IDE 40 pin connector for the secondary IDE interface J18...

Page 19: ...actFlash Socket J23 Serial B J13 Serial Ports 3 4 Ethernet Port 1 J7 Floppy J14 Primary IDE J12 Utility 2 J24 Utility 1 J16 Parallel J15 Utility 3 J18 CRT J5 PC 104 Plus J21 Serial A J11 Serial Ports...

Page 20: ...Port 2 J32 located on the LittleBoard 700 Refer to Figure 2 5 Table 2 5 Ethernet Port 1 J7 LED Indicators Indicator Definition Ethernet Link Activity LED Link Activity LED This yellow LED is the activ...

Page 21: ...14 J16 J11 U14 U12 U8 U7 J24 J23 U19 U23 U9 U26 U4 U27 U24 U22 U11 U16 S o u t h b r i d g e U 3 E t h e r n e t U 5 E t h e r n e t U 6 Y1 U33 JP9 J31 J18 J28 N orthbridge U 2 J5 J4 J3 J2 DIMM1 F5 J1...

Page 22: ...and Figures 2 7 and 2 8 give the mounting dimensions and pin 1 connector locations Table 2 7 Weight and Footprint Dimensions Item Dimension Weight 0 328kg 0 723lbs Height overall 25 37mm 0 999 Width...

Page 23: ...31 J1 J21 J28 BAT1 J23 J32 J7 J17 J24 J13 J11 J15 J16 J10 J12 J14 1 875 5 350 5 550 0 0 5 250 2 200 5 800 7 600 5 350 0 200 0 245 0 0 3 100 5 700 7 050 7 600 7 800 0 200 0 0 1 356 0 325 0 705 2 458 3...

Page 24: ...1 J23 J32 J7 J12 J17 J24 J13 J14 J15 J16 J10 J2 F5 5 350 5 550 0 0 6 800 7 600 5 350 0 200 0 0 7 050 7 600 7 800 0 200 0 0 0 719 1 415 2 730 4 050 0 0 3 200 6 345 6 385 0 107 0 235 6 350 0 115 0 705 L...

Page 25: ...his board Table 2 9 Environmental Requirements Parameter 400MHz Celeron Q3 Conditions 650MHz Celeron Q2 Conditions 933MHz Pentium III Q1 Conditions Temperature Operating 0 to 70 C 32 to 158 F 0 to 70...

Page 26: ...Chapter 2 Product Overview 20 Reference Manual LittleBoard 700...

Page 27: ...r USB SMBus Infrared IrDA Ethernet Interfaces J7 J32 Audio Interface J28 Video Interfaces J3 J4 J5 J31 Miscellaneous Time of Day RTC Temperature Monitoring Oops Jumper BIOS recovery Serial Console Wat...

Page 28: ...he LittleBoard 700 supports a single standard 168 pin DIMM slot DIMM slot can support up to 1GB of memory Supports PC 133 133MHz 7 5ns and PC 100 100MHz 10ns 3 3V SDRAM NOTE Ampro recommends using onl...

Page 29: ...S 2 Mouse X PCI INTA Automatically Assigned PCI INTB Automatically Assigned PCI INTC Automatically Assigned PCI INTD Automatically Assigned Sound Blaster D O O O USB Automatically Assigned VGA Automat...

Page 30: ...ess hex Subsystem 000 00F Primary DMA Controller 020 021 Master interrupt Controller 040 043 Programmable Interrupt Timer Clock Timer 060 06F Keyboard Controller 070 07F CMOS RAM NMI Mask Reg RT Clock...

Page 31: ...cycle the command is defined and during the data cycle the byte enable is defined 5 A5 GND Digital Ground 6 A6 AD11 T S PCI Address and Data Bus Line 11 Refer to Pin 3 for more information 7 A7 AD14...

Page 32: ...nected Reserved 31 B1 NC Not connected Reserved 32 B2 AD02 T S PCI Address and Data Bus Line 2 Refer to Pin 3 for more information 33 B3 GND Digital Ground 34 B4 AD07 T S PCI Address and Data Bus Line...

Page 33: ...TA O D Interrupt A This signal is used to request an interrupt 60 B30 NC Not connected Reserved 61 C1 5 5 volts 5 power supply 62 C2 AD01 T S PCI Address and Data Bus Line 1 Refer to Pin 3 for more in...

Page 34: ...B This signal is used to request interrupts only for multi function devices 90 C30 PME Power Management Event This signal is used for power management events 91 D1 AD00 T S PCI Address and Data Bus Li...

Page 35: ...to Pin 27 for more information 117 D27 GND Digital Ground 118 D28 RST In PCI bus reset This signal is an output signal to reset the entire PCI Bus This signal will be asserted during system reset 119...

Page 36: ...rocessor Ready Ctrl 11 A11 AEN Address Enable This signal is reserved for the ISA Bus and is asserted during DMA cycles to prevent I O slaves from misinterpreting DMA cycles as valid I O cycles 12 A12...

Page 37: ...DRQ3 DMA Request 3 49 B17 DACK1 DMA Acknowledge 1 50 B18 DRQ1 DMA Request 1 51 B19 REFRESH Memory Refresh 52 B20 SYSCLK Sys Clock 53 B21 IRQ7 Interrupt Request 7 54 B22 IRQ6 Interrupt Request 6 55 B23...

Page 38: ...rue logic Table 3 8 PC 104 Interface Pin Signal Descriptions J1D Pin Signal Descriptions J1 Row D 21 D0 GND Ground 22 D1 MEMCS16 16 bit Memory Access 23 D2 IOCS16 16 bit I O Access 24 D3 IRQ10 Interru...

Page 39: ...These signals 0 to 15 provide the disk data signals 6 D9 Disk Data These signals 0 to 15 provide the disk data signals 7 D5 Disk Data These signals 0 to 15 provide the disk data signals 8 D10 Disk Dat...

Page 40: ...ignal Descriptions J17 Pin Signal Description 1 RESET Low active hardware reset RSTDRV inverted 2 GND Digital Ground 3 D7 Disk Data These signals 0 to 15 provide the disk data signals 4 D8 Disk Data T...

Page 41: ...errupt Request 14 32 NC Not connected 33 A1 IDE ATA Primary Disk Address 0 to 2 Used to indicate which byte in the ATA command block or control block is being accessed 34 SD33_66 UDMA 33 66 Sense 35 A...

Page 42: ...Data These signals 0 to 15 provide the disk data signals 5 D6 Disk Data These signals 0 to 15 provide the disk data signals 6 D7 Disk Data These signals 0 to 15 provide the disk data signals 7 CS1 Chi...

Page 43: ...aster Slave Determined by setting of JP4 40 NC Not Connected 41 IDERST IDE Reset 42 IORDY Primary Device I O DMA Channel Ready 43 NC Not Connected 44 NC Not Connected 45 ACT SLV Drive active Drive sla...

Page 44: ...l 1 Select motor on drive 1 12 DIR Direction Direction of head movement 0 inward motion 1 outward motion 13 GND Digital Ground 14 STEP Step Low pulse for each track to track movement of the head 15 WD...

Page 45: ...l Port Data 2 These signals 0 to 7 provide the parallel port data signals 8 SLCTIN Out Select In This output signal is used to select the printer I O pin in ECP EPP mode 9 PD3 I O Parallel Port Data 3...

Page 46: ...erial Port 4 COM4 supports RS232 RS485 RS422 NOTE The RS232 and RS485 RS422 modes can be selected for any serial port in BIOS Setup under the Integrated Peripherals screen However the RS232 mode is th...

Page 47: ...RX1 Request To Send 1 Indicator to serial output port 1 is ready to transmit data Used as hardware handshake with CTS1 for low level flow control RX1 If in RS485 or RS422 mode this pin is Receive Data...

Page 48: ...DB9 Signal Description 1 1 COM3 DCD3 Data Carrier Detect 3 Indicator to serial port 3 that external modem is detecting a carrier signal i e a communication channel is currently open In direct connect...

Page 49: ...connected 13 2 RXD4 RX4 Receive Data 4 Serial port 4 receive data in RX4 If in RS485 or RS422 mode this pin is Receive Data 4 14 7 RTS4 TX4 Request To Send 4 Indicator to serial output port 4 is ready...

Page 50: ...with external connections or directly to the respective connector such as a keyboard speaker etc Table 3 17 gives the pin outs and interface signals for the Utility 1 interface Keyboard Battery Reset...

Page 51: ...f a 24 pin connector used to interface various signals to the external board with external connections or directly to the respective connector such as the mouse infrared IR etc Table 3 19 gives the pi...

Page 52: ...Packard Serial Infrared HPSIR and the Amplitude Shift Keyed Infrared ASKIR methods HPSIR is a serial implementation of infrared developed by Hewlett Packard The IrDA HPSIR and ASKIR signals share Seri...

Page 53: ...ouse Clock 11 GND Ground 12 VCC 5V 13 SMBCLK SMBus Clock 14 SMBDATA SMBus Data 15 USB1PWR 5V USB Port Power Port is disabled if this input is low 16 USB2PWR 5V USB Port Power Port is disabled if this...

Page 54: ...v 1 1 and Intel Universal HCI v 1 1 compatible Integrated physical layer transceivers Over current detection status on the USB port software Over current fuses for all four ports on the LB 700 board...

Page 55: ...E 802 3u Auto Negotiation support 3KB transmit and 3KB receive FIFOs helps prevent data underflow and overflow IEEE 802 3x 100BASE TX flow control support Improved dynamic transmit chaining with multi...

Page 56: ...by the VT82C686B and the LM4549 audio CODEC These two chips use a digital interface to communicate between the two which is defined by AC97 and is revision 2 1 compliant The LB 700 supports its own a...

Page 57: ...right channel 10 MIC1 Microphone in signal 1 or left channel 11 MIC_GND Microphone digital ground 12 MIC2 Microphone in signal 2 or right channel 13 MIC_REF Microphone reference signal 14 KEY Key 15 P...

Page 58: ...GA and UXGA 1400x1050 Supports LCD VGA and SVGA panels with 9 12 18 bit interface 1 Pixel Clock Supports UXGA and SXGA active matrix panels with 1x24 bit interface 2 Pixels Clock Supports 1 or 2 chann...

Page 59: ...formation 17 LCDP5 LCD Data Output 5 Refer to pin 12 for more information 18 LCDP6 LCD Data Output 6 Refer to pin 12 for more information 19 LCDP7 LCD Data Output 7 Refer to pin 12 for more informatio...

Page 60: ...DP24 LCD Data Output 24 The mapping for this signal changes with the type of flat panel selected in BIOS Setup Refer to the notes for this table 4 LCDP25 LCD Data Output 25 Refer to pin 3 for more inf...

Page 61: ...S_Y2P Data Positive Output 2 11 LVDS_CLKYM Clock Negative Output 12 LVDS_CLKYP Clock Positive Output Clock Channel 1 13 LVDS_Z0M Data Negative Output 14 LVDS_Z0P Data Positive Output 0 15 LVDS_Z1M Dat...

Page 62: ...g with the Oops jumper in place remove the Oops jumper and go into BIOS Setup Change the desired BIOS settings or select the default settings and save changes before rebooting the system To convert th...

Page 63: ...system will reset Enable the WDT in the Advanced BIOS Features of BIOS Setup Set the WDT for a time out interval in seconds between 2 and 255 in one second increments in the Advanced BIOS Features sc...

Page 64: ...ions J10 Pin Signal Description 1 5V 5 0 volts DC 5 2 GND Ground 3 GND Ground 4 12V This 12V is are for BUS power only optional 5 3 3V This 3 3V is for BUS power only optional 6 GND Ground 7 5V 5 0 vo...

Page 65: ...n the ROM BIOS and can be accessed when prompted using the Del key while the board is in the Power On Self Test POST state just before completing the boot process The screen displays a message indicat...

Page 66: ...rs on the boot screen Hit C if you want to run SETUP 4 Use the Enter key to select the screen menus listed in the Opening BIOS screen See Figure 4 1 NOTE The serial console port is not hardware protec...

Page 67: ...m use Enter to select menu item C Copyright 2004 Ampro Computers Inc http www ampro com Help for BIOS and Hardware Settings Figure 4 1 Opening BIOS Screen NOTE For the most current BIOS Information re...

Page 68: ...meric entry of the calendar month day of the month and all 4 digits of the year indicating the century plus year 08 Apr 2004 Time hh mm ss This requires 24 hour Clock setting in hours minutes and seco...

Page 69: ...c Slave USB HDD or USB CDROM Drive G none HDD CF on Pri Master CDROM on Pri Master HDD CF on Pri Slave CDROM on Pri Slave HDD on Sec Master CDROM on Sec Master HDD on Sec Slave CDROM on Sec Slave USB...

Page 70: ...ly allows you to select between the existing formats used to format your CompactFlash card as the Primary slave device NOTE This feature allows you to use any one of the three common formats available...

Page 71: ...graphical image displayed as the default Ampro Splash Screen or a user customized image on screen Refer to the Splash Screen Customization topic later in this chapter for instructions on how to custom...

Page 72: ...ed on Advanced features Post Memory Manager Disabled or Enabled If this field is set to Enabled the Post Memory Manger API is turned on The Post Memory Manger can be used by BIOS option ROMs to alloca...

Page 73: ...USB boot device to the LittleBoard 700 through an external hub Instead connect the USB boot device directly to the LittleBoard 700 On Board Serial Ports NOTE Serial Ports 1 and 2 can not share the sa...

Page 74: ...sed for Serial Port 4 If RS 485 mode is selected the RTS signal should be used to control the direction for this port transmit or receive On Board LPT Port LPT 1 Disabled 378h 278h 3BCh 370h or 270h T...

Page 75: ...16MB 32MB 64MB 128MB or 256MB This field specifies the size of memory used for the AGP Aperture The AGP Aperture Size indicates the amount of system memory that can be used for the 3D engine The syst...

Page 76: ...ess of the on board Audio controller used to emulate MPU 401 Midi or is disabled PCI INTA IRQ none 1 3 4 5 6 7 9 10 11 12 14 or 15 INTB IRQ none 1 3 4 5 6 7 9 10 11 12 14 or 15 INTC IRQ none 1 3 4 5 6...

Page 77: ...nd Play adapter If another device in the system is using this IRQ then this field should be set to Disabled Assign IRQ 6 Disabled or Enabled Typically Floppy Disk If this field is set to Enabled then...

Page 78: ...BIOS can assign this IRQ to a Plug and Play adapter If another device in the system is using this IRQ then this field should be set to Disabled Assign DMA 0 Disabled or Enabled If this field is set t...

Page 79: ...to Disabled Assign DMA 6 Disabled or Enabled If this field is set to Enabled then the BIOS can assign this DMA channel to a Plug and Play adapter If another device in the system is using this DMA chan...

Page 80: ...reen image supported by the LittleBoard 700 BIOS should be Bitmap image Exactly 640x480 pixels Exactly 16 colors A converted file size of not greater than 55kB Converting the Splash Screen File The fo...

Page 81: ...not approximately 153 718 bytes in size it is probably not in the right format or is too complex to be used in the BIOS You will have to edit it down in size until you have reached an acceptable file...

Page 82: ...Chapter 4 BIOS Setup 76 Reference Manual LittleBoard 700...

Page 83: ...onal assistance by going to the Ask a Question area in the Virtual Technician Requests can be submitted 24 hours a day 7 days a week You will receive immediate confirmation that your request has been...

Page 84: ...Appendix A Technical Support 78 Reference Manual LittleBoard 700...

Page 85: ...lden Flat Cable 9L28010 MMT PHYCO Housing IDCA001 F0802GFT K Housing 1100 16 J4 J16 Video LCD 2 Utility 1 16 pin Belden Flat Cable 9L28016 MMT PHYCO Housing IDCA001 F1002GFT K Housing 1100 20 J11 J13...

Page 86: ...Appendix B Connector Part Numbers 80 Reference Manual LittleBoard 700...

Page 87: ...red interface supported features 46 input and output codes table notes 29 Interrupt IRQs list 23 jumper locations 14 LEDs Ethernet Port 14 Lithium Battery RTC 56 LittleBoard 700 Audio interface featur...

Page 88: ...ection 56 Ethernet interfaces 2 8 49 Ethernet port LEDs 14 external battery 9 flat panel configurations 69 floppy disk drives 2 7 38 heatsinks 19 IDE devices 4 7 33 I O address map 24 Infrared interfa...

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