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ADLINK Technology LitleBoard 800, Reference Manual

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Chapter 3

Hardware 

LittleBoard 800

Reference Manual

27

Speaker

The signal lines for a speaker port with 0.1-watt drive are provided through a Utility 1 interface (J15).  

Note:

The shaded area denotes power or ground. The signals marked with * = Negative true logic.

Utility 2 Interface

The Utility 2 (J13) interface consists of 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, USB, etc. 

Table 3-9 on page 29

 lists the pin signals for the Utility 2 interface. The J13 connector uses 24 pins, 2 rows, 

odd/even (1, 2) with 0.100" pitch.

•

PS/2 Mouse signals

•

Infrared (IrDA) signals 

•

SMBus signals

•

USB signals for USB ports 1 and 2

•

Power button signal

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

Pin #

Signal

I/O

Description

1

-12V

I

-12 Volts – Supplied from external power source.

2

GND

I

Ground

3

-5V

I

-5 Volts – Supplied from external power source.

4

GND

I

Ground

5

LED

O

Power On LED – This on-board +3.3 volts is provided through 330 ohm 
resistor to an external Power-On LED.

6

NC

-

Not connected (Power Good)

7

SPKR+

O

+ Speaker Output – This signal drives external PC "Beep" speaker.

8

GND

I

Ground

9

RSTSW*

I

Reset Switch – This signal (ground) provided from external reset switch. 

10

NC

-

Not connected (Keyboard Switch)

11

KBDATA

I/O

Keyboard Data signal provided to external keyboard connector.

12

KBCLK

I/O

Keyboard Clock – Clock signal provided to external keyboard connector.

13

GND

I

Keyboard Ground

14

KBDPWR

O

Keyboard Power  – This +5 volts is provided to external keyboard 
connector. Requires external fuse for keyboard/mouse protection.

15

BATV+

I

Backup Battery – This connection provides an additional backup battery 
from an external source. It can also be used in place of the on-board 
backup battery, B1, shipped with all LittleBoard 800s. Each RTS battery 
input is protected with a zener diode.

16

BATV-

I

Battery - Return (Grounded) 

Summary of Contents for LitleBoard 800

Page 1: ...LittleBoard 800 Single Board Computer Reference Manual P N 5001816B Revision A ...

Page 2: ...ence This reference manual is for the person who designs computer related equipment including but not limited to hardware and software design and implementation of the same ADLINK Technology Inc assumes you are qualified in designing and implementing your hardware designs and their related software into your prototype computer equipment ii Reference Manual LittleBoard 800 TRADEMARKS CoreModule and...

Page 3: ...verview 17 Interrupt Channel Assignments 18 Memory Map 19 I O Address Map 19 Floppy Drive Interface 20 Parallel Port Interface 20 Serial Interfaces 21 Utility Interfaces 26 Utility 1 Interface 26 Keyboard Interface 26 External Battery 26 Reset Switch 26 Speaker 27 Utility 2 Interface 27 System Management Bus SMBus 28 USB Signals USB1 and USB2 28 Mouse Interface 28 Infrared Port IrDA 28 Utility 3 I...

Page 4: ...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...

Page 5: ...tton and Reset Switch Header Pin Signal Descriptions J29 34 Table 3 16 Power On Header Pin Signal Descriptions J30 34 Table 3 17 Optional CPU Fan J21 37 Table 3 18 Ethernet External LED Pin Signal Descriptions J28 37 Table A 1 Technical Support Contact Information 41 ...

Page 6: ...Contents vi Reference Manual LittleBoard 800 ...

Page 7: ...u to complete your design successfully Most of these references are also available on the Ampro By ADLINK web site in the InfoCenter The InfoCenter was created for embedded system developers to share ADLINK s knowledge insight and expertise Specifications EBX Spec Revision 2 0 March 1 2005 For the latest version of the EBX specifications contact the PC 104 Consortium at Web site http www pc104 org...

Page 8: ...ww intel com design network datashts 82541gi_ei htm Gigabit Ethernet Standard Microsystems Corp and the LPC47B272 chip used for both Super I O controllers Web site http www smsc com main catalog lpc47b272 html Realtek and the ALC203 LF chip used for the Audio CODEC Web site http www realtek com tw products productsView aspx Langid 1 PFid 29 Level 5 Conn 4 ProdID 53 ITE Tech Inc and the IT8888F chi...

Page 9: ...ed computing solutions can be designed into space constrained environments with off the shelf components The EBX standard boasts highly flexible and adaptable system expansion allowing easy and modular addition of functions such as additional USB 2 0 ports Firewire or wireless networking not usually contained in standard product offerings The EBX system expansion is based on popular existing indus...

Page 10: ...04 connector an ITE IT8888F PCI to ISA Bridge is included The LittleBoard 800 also supports up to 1GB of DDR RAM in a single 184 pin DDR DIMM slot and an AGP4x equivalent graphics controller which provides CRT and LVDS flat panel video interfaces for most popular LCD panels The LittleBoard 800 can be expanded through the PC 104 and PC 104 Plus expansion for additional system functions as these bus...

Page 11: ...rmats 360KB 1 2MB 720KB 1 44MB 2 88MB Parallel Port Provides a standard printer interface Supports IEEE standard 1284 protocols of EPP and ECP outputs Supports Bi directional data lines Supports 16 byte FIFO for ECP mode Serial Ports Four buffered serial ports with full handshaking Provides 16550 equivalent controllers each with a built in 16 byte FIFO buffer Supports full modem capability on two ...

Page 12: ...ode and flow control Supports full duplex or half duplex mode Full duplex mode supports transmit and receive frames simultaneously Supports IEEE 802 3x Flow control in full duplex mode Half duplex mode supports enhanced proprietary collision reduction mode Video Interfaces CRT LVDS Support CRT 2048 x 1536 with up to 64MB UMA Unified Memory Architecture AGP 4X equivalent graphics performance Dual c...

Page 13: ...r Super I O 1 LPC47B272 Flash BIOS Memory FWH AC 97 CODEC Gigabit Ethernet Controller 82541 GI PI PC 104 Plus Bus Connector PCI ISA Bridge PC 104 Connector RJ45 Magnetics RJ45 Magnetics Ethernet Controller 82551ER Keyboard Mouse IrDA Floppy Parallel CRT Connector PCI Bus USB Port 1 USB Port 2 USB Port 3 USB Port 4 USB LPC Bus Clock SM Bus IDE Primary ATA Super I O 2 LPC47B272 Compact Flash IDE Sec...

Page 14: ...ontroller U9 On back of board see Figure 2 4 Intel 82551ER 10 100BaseT Ethernet controller Ethernet functions Gigabit Ethernet Controller U11 On back of board see Figure 2 4 Intel 82541 GI PI 10 100 1000BaseT Ethernet controller Ethernet functions Ethernet Transformer T1 Pulse H5004 Gigabit Ethernet Transformer Ethernet Magnetics Ethernet Transformer U31 Pulse H1102NLT Fast Ethernet Transformer Et...

Page 15: ...Chapter 2 Product Overview LittleBoard 800 Reference Manual 9 Figure 2 3 Component Locations Front view U1 U2 U7 U3 T1 U13 U18 U19 U31 U1 U2 U7 U3 T1 U13 U18 U19 U31 ...

Page 16: ...ing unless otherwise indicated Table 2 2 Header and Connector Descriptions Jack Name Description SK1 Battery Socket Battery socket for 3 volt Lithium battery DIMM1 Memory 184 pin 050 1 27mm slot for a single DDR RAM DIMM J1A B C D PC 104 bus 104 pins for PC 104 connector J2A B C D PC 104 Plus 120 pin 079 2mm connector for PCI bus J3 Video CRT 10 pin connector for output to a CRT type monitor U51 U...

Page 17: ... Optional Fan 3 pin header provides 5V tach and ground to optional CPU fan J23 Ethernet 1 8 pin RJ45 connector for 10 100BaseT Ethernet port J26 Video LVDS 30 pin 079 2mm connector for LVDS type video displays J28 LAN LED 5 pin LAN LED connector for extra gigabit Ethernet LED J29 Power Button 5 pin header for ATX power button cable J30 Power On 3 pin connector for ATX power on functions NOTE ADLIN...

Page 18: ...ating until you determine how the common ground is connected The grounding holes 8 of the LittleBoard 800 are connected to ground potential return of the DC power supply connected to the board through J19 NOTE Pin 1 is shown as a black pin square or round in all connectors and jumpers in all illustrations J14 J26 J21 JP1 J3 J9 J29 J30 Ethernet Grounding Pad J17 J16 J12 J11 J7 J6 J15 J2 J1 DIMM1 J1...

Page 19: ... JP4 Serial Port 1 RS485 Termination Enable Termination pins 1 2 Disable Termination Removed Default JP5 Serial Port 2 RS485 Termination Enable Termination pins 1 2 Disable Termination Removed Default JP6 Serial Port 3 RS485 Termination Enable Termination pins 1 2 Disable Termination Removed Default JP7 Serial Port 4 RS485 Termination Enable Termination pins 1 2 Disable Termination Removed Default...

Page 20: ... heatsink but no fan for 40 C to 85 C operation The Pentium M CPU requires a heatsink but no fan for 20 to 70 C operation but does require a fan above 70 C 70 C to 85 C operation Table 2 5 Environmental Requirements Parameter 800MHz Celeron M Conditions 1 0GHz Celeron M Conditions 1 4GHz Pentium M Conditions Temperature Operating 20 to 70 C 4 to 158 F 20 to 70 C 4 to 158 F 20 to 70 C 4 to 158 F Ex...

Page 21: ... Mechanical Specifications Figure 2 7 shows the top view of the LittleBoard 800 with the mechanical mounting dimensions Figure 2 7 LittleBoard 800 Dimensions NOTE All dimensions are given in inches 7 22 0 20 0 20 0 0 7 80 5 80 5 70 2 80 2 65 7 60 5 55 5 35 0 20 0 ...

Page 22: ...Chapter 2 Product Overview 16 Reference Manual LittleBoard 800 ...

Page 23: ... I O Address Map Floppy Interface Serial Interfaces Parallel Interface Utility Interfaces Keyboard Mouse Battery Reset Switch Speaker USB SMBus Infrared IrDA Audio Interface CRT LVDS Video Interfaces Power Interfaces Power In ATX Power Miscellaneous Time of Day RTC Temperature Monitoring Oops Jumper BIOS recovery Serial Console Watchdog timer Optional CPU fan LAN LED ...

Page 24: ... PC 104 Ethernet RJ45 40 pin IDE Floppy and Compact Flash Table 3 1 Interrupt Channel Assignments Device vs IRQ No 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Timer D Keyboard D Secondary Cascade D COM1 O D O O O O O O O O O COM2 D O O O O O O O O O O COM3 O O O O O O O D O O O COM4 O O O O O O D O O O O Floppy D Parallel O O O O D O O O O O O RTC D IDE Primary D IDE Secondary D Math Coprocessor D PS 2 ...

Page 25: ... and RAM Shadowing 00100000h 04000000h Extended Memory If on board VGA is enabled then the amount of memory assigned is subtracted from extended memory FFF80000h FFFFFFFFh System Flash Table 3 3 I O Address Map Address hex Subsystem 0000 000F Primary DMA Controller 0020 0021 Master Interrupt Controller 0040 0043 Programmable Interrupt Timer Clock Timer 0060 06F Keyboard Controller 0061 NMI Speaker...

Page 26: ...0E0 00EF System reserved 0F0 00FF Math Coprocessor 0170 0177 Secondary IDE Hard Disk Controller 01F0 01F7 Primary IDE Hard Disk Controller 0278 027F Parallel Printer 02E8 02EF Serial Port 4 COM4 02F8 02FF Serial Port 2 COM2 0376 Secondary IDE Disk Controller 0378 037F Parallel Port Standard and EPP 03B0 03BB Video Monochrome 03C0 03DF VGA 03E8 03EF Serial Port 3 COM3 03F0 03F5 Floppy Disk Controll...

Page 27: ... mode 7 PD2 I O Parallel Port Data 2 Refer to pin 3 for more information 8 SLIN 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 Refer to pin 3 for more information 10 12 GND Ground 11 PD4 I O Parallel Port Data 4 Refer to pin 3 for more information 13 PD5 I O Parallel Port Data 5 Refer to pin 3 for more information 14 16 GND Gro...

Page 28: ... A and B headers use 20 pins 2 rows odd even 1 2 with 0 100 pitch NOTE The RS232 and RS485 RS422 modes can be selected for any serial port in BIOS Setup under the Advanced menu However the RS232 mode is the default selection Standard for any serial port Table 3 5 Serial A Interface Pin Signal Descriptions J11 Pin Pin DB9 Signal Description 1 1 COM1 DCD1 Data Carrier Detect 1 Indicates external ser...

Page 29: ... be driven by DTR2 as part of the DTR DSR handshake 12 6 DSR2 Data Set Ready 2 Indicates external serial communications device is powered initialized and ready Used as hardware handshake with DTR2 for overall readiness to communicate 13 2 RXD2 RX2 Receive Data 2 Serial port 2 receive data in RX1 If in RS485 or RS422 mode this pin is Receive Data 1 14 7 RTS2 TX2 Request To Send 2 Indicates Serial p...

Page 30: ...low level flow control RX3 If in RS485 or RS422 mode this pin is Receive Data 3 7 4 DTR3 Data Terminal Ready 3 Indicates this Serial port is powered initialized and ready Used as hardware handshake with DSR3 for overall readiness to communicate 8 9 RI3 Ring Indicator 3 Indicates external serial communications device is detecting a ring condition Used by software to initiate operations to answer an...

Page 31: ...ations device is ready to receive data Used as hardware handshake with RTS4 for low level flow control RX4 If in RS485 or RS422 mode this pin is Receive Data 4 17 4 DTR4 Data Terminal Ready 4 Indicates this Serial port is powered initialized and ready Used as hardware handshake with DSR4 for overall readiness to communicate 18 9 NC Not connected Ring Indicator 4 19 5 GND Ground 20 NC NC Not connec...

Page 32: ...he respective connectors such as keyboard speaker etc Table 3 7 provides the pin signals for the Utility 1 interface which uses 16 pins 2 rows odd even 1 2 with 0 100 pitch Keyboard Battery Reset Switch Speaker External voltages 5V In 12V In 3 3V Out to Power On LED Keyboard Interface The signal lines for a PS 2 keyboard are provided through the Utility 1 interface which is also fully PC AT compat...

Page 33: ... external power source 2 GND I Ground 3 5V I 5 Volts Supplied from external power source 4 GND I Ground 5 LED O Power On LED This on board 3 3 volts is provided through 330 ohm resistor to an external Power On LED 6 NC Not connected Power Good 7 SPKR O Speaker Output This signal drives external PC Beep speaker 8 GND I Ground 9 RSTSW I Reset Switch This signal ground provided from external reset sw...

Page 34: ...erial implementation of infrared developed by Hewlett Packard The IrDA HPSIR and ASKIR signals are available on the Utility 2 connector The HPSIR method allows serial communication at baud rates up to 115k baud Each word is sent serially beginning with a zero value start bit A zero is sent when a single infrared pulse is sent at the beginning of the serial bit time A one is sent when no infrared p...

Page 35: ... the system 4 NC O Not connected IR Mode select 5 IRTX O IR Transmit Data This signal goes to external IrDA Transceiver 6 IRRX I IR Receive Data This signal comes from external IrDA Transceiver 7 GND Ground 8 VCC 5 Volts 9 MDATA I O Mouse Data Data signal provided to external mouse connector 10 MCLK I O Mouse Clock Clock signal provided to external mouse connector 11 GND Ground 12 VCC 5 Volts 13 S...

Page 36: ...by the Realtek ALC203 LF audio CODEC The chip is defined by AC97 and is revision 2 2 compliant The audio interface signals are supplied to the 26 pin 2mm connector J9 Refer to the following list for the Audio CODEC ALC203 LF features Analog Mixer Dynamic Range 97dB typ D A Dynamic Range 89dB typ and A D Dynamic Range 90dB typ AC 97 Rev 2 1 compliant High quality Sample Rate Conversion SRC from 4kH...

Page 37: ...Audio signal in left channel 2 VIDEO_GND Video Audio ground 3 VIDEO_R Video Audio signal in right channel 4 CD_L CD ROM signal left channel 5 CD_GND CD ROM Audio ground 6 CD_R CD ROM signal right channel 7 LINE_IN_L Line in signal left channel 8 LINE_IN_GND Line in Audio ground 9 LINE_IN_R Line in signal right channel 10 MIC1 Microphone in signal 1 or left channel 11 MIC_GND Microphone Audio groun...

Page 38: ...9 2mm pitch Table 3 12 CRT Interface Pin Signal Descriptions J3 Pin Signal Description 1 RED Red This is the Red analog output signal to the CRT 2 GND Ground 3 GREEN Green This is the Green analog output signal to the CRT 4 GND Ground 5 BLUE Blue This is the Blue analog output signal to the CRT 6 GND Ground 7 HSYNC Horizontal Sync This signal is used for the digital horizontal sync output to the C...

Page 39: ...IYBP2 Data Positive Output 2 10 LVDS_IYBM2 Data Negative Output 11 LVDS_IYBP1 Data Positive Output 1 12 LVDS_IYBM1 Data Negative Output 13 LVDS_IYBP0 Data Positive Output 0 14 LVDS_IYBM0 Data Negative Output 15 LVDS_PANELBKLTCTL Control Panel Backlight NA NA 16 LVDS_PANELVDDEN Enable Panel Power NA NA 17 CLK_LVDS_IYAP Clock Positive Output Clock Channel 1 18 CLK_LVDS_IYAM Clock Negative Output 19 ...

Page 40: ...ription 1 5V 5 0 Volts This 5 0 volts DC 5 is the only voltage required for operation 2 GND Ground 3 GND Ground 4 12V 12 Volts This 12 volts is for the PC 104 PC 104 Plus and LVDS power only 5 3 3V 3 3 Volts This 3 3 volts is for PC 104 Plus Bus power only optional 6 GND Ground 7 5V 5 0 Volts This 5 0 volts DC 5 is the only voltage required for operation Table 3 15 Power On Button and Reset Switch...

Page 41: ... BIOS settings from loading After booting 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 the Serial A interface to an Oops jumper short together the DTR 7 and RI 8 pins on Serial A J11 header for Serial Port 1 As an alternate short the equivalent pins...

Page 42: ...system operation During the Boot process If the operating system fails to boot in the time interval set in the BIOS the system will reset Enable the WDT in Boot Settings Configuration of BIOS Setup Set the WDT for a time out interval in seconds between 1 and 255 in one second increments in the Boot Setting Configuration screen Ensure you allow enough time for the boot process to complete and for t...

Page 43: ...w with 0 100 pitch This header is for an external LED indicating Gigabit Ethernet power and activity Note The shaded area denotes power or ground Table 3 17 Optional CPU Fan J21 Pin Signal Description 1 Fan_Tach Fan Tachometer This signal indicates Fan speed 2 VCC 5 0 volts DC 5 3 GND Ground Table 3 18 Ethernet External LED Pin Signal Descriptions J28 Pin Signal Description 1 LED YEL Ethernet Powe...

Page 44: ...Chapter 3 Hardware 38 Reference Manual LittleBoard 800 ...

Page 45: ...ng the BIOS Setup in serial console mode is very similar to the steps you use to enter BIOS Setup with a VGA display except the actual keys you use 1 Set the serial terminal or the PC with communications software to the following settings 115k baud 8 bits One stop bit No parity No hardware handshake 2 Connect the serial console or the PC with serial terminal emulation to Serial Port 1 or Serial Po...

Page 46: ...anging the default setting of Available to Reserved Logo Screen Utility Splash Screen The LittleBoard 800 BIOS supports a graphical logo utility which can be customized by the user and displayed when enabled through the BIOS Setup Utility The graphical image can be a company logo or any custom image the user wants to display during the boot process The custom image can be displayed as the first im...

Page 47: ... may also request personal assistance by creating an Ask an Expert account and then going to the Ask a Question feature Requests can be submitted 24 hours a day 7 days a week You will receive immediate confirmation that your request has been entered followed by an e mail response Once you have submitted your request you must log in to My Stuff where you can check status update your request and acc...

Page 48: ...Appendix A Technical Support 42 Reference Manual LittleBoard 800 ...

Page 49: ... RTC 35 LittleBoard 800 audio AC 97 interface 30 block diagram 7 Celeron M CPU 4 connectors 10 console redirection feature 35 CPU features 4 dimensions 13 EBX Architecture 3 features 4 Floppy Disk Drive features 20 major chip list 7 major integrated circuit list 7 Parallel port features 20 Pentium M CPU 4 pin 1 locations 12 power requirements 14 product description 4 see also supported features 4 ...

Page 50: ...DA interface 5 IRQ assignments 18 ISA bus 5 jumpers on board 13 LVDS interface 32 memory 5 memory map 19 on board battery 6 Oops jumper BIOS recovery 6 35 parallel port 20 parallel port 1 5 PC Beep speaker interface 27 PC 104 bus 5 PC 104 Plus bus 5 Pentium M CPU 4 power requirements 14 power on switch 34 PS 2 keyboard interface 6 26 PS 2 mouse interface 6 Real time clock 6 reset switch interface ...

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