Little Board Single Board Computer Reference Manual P/N 5001670A Revision D...
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Computers, Incorporated. DISCLAIMER Ampro Computers, Incorporated makes no representations or warranties with respect to the contents of this manual or of the associated Ampro products, and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose. Ampro shall under no circumstances be liable for incidental or consequential damages or related expenses resulting from the use of this product, even if it has been notified of the possibility of such damages.
Chapter 1 About This Manual Purpose of this Manual This manual is for designers of systems based on the Little Board™ 700 single board computer (SBC). This manual contains information that permits designers to create an embedded system based on specific design requirements.
Chapter 1 About This Manual Chip specifications used on the LittleBoard 700: • Intel Corporation and the Celeron or Pentium III processor used for the embedded CPU. Web site: http://www.intel.com/design/intarch/datashts/273299.htm = Pentium III Web site: http://www.intel.com/design/intarch/datashts/273509.htm = Celeron • VIA Technologies, Inc. and the chips, VT8606 and VT82C686B, used for the Northbridge/Video controller and Southbridge respectively.
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Chapter 1 About This Manual • LittleBoard 486e – This embedded processor module is a high integration, high-performance, rugged, high quality 100MHz 486DX4 based PC/AT compatible single board system with all of the standard peripheral interfaces, plus the PC/104 interface and the equivalent of up to six expansion boards.
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Chapter 1 About This Manual Reference Manual LittleBoard 7...
Chapter 2 Product Overview This introduction presents general information about the EBX Architecture and the LittleBoard 700 single board computer (SBC). After reading this chapter you should understand: • EBX Architecture • LittleBoard 700 architecture • LittleBoard 700 features • Major components •...
Expansion PCI Stack through Bus Headers Headers Little Board 700 0.6 inch spacers (4) 4-40 nuts (4) Figure 2-1. Stacking PC/104 Modules with the LittleBoard 700 Product Description The LittleBoard 700 (LB 700) is an exceptionally high integration, high performance, rugged, and high quality single-board system, which contains all the component subsystems of a PC/AT PCI motherboard plus the equivalent of up to 5 PCI expansion boards.
Chapter 2 Product Overview Board Features • CPU features ♦ 933MHz LV Pentium® III Processor, LP 650MHz Celeron® or ULP 400MHz Celeron® • Memory ♦ Single standard 168-pin DIMM slot ♦ Supports +3.3V SDRAM up to 1GB ♦ Supports 133MHz (7.5ns) clock speed for Pentium III ♦...
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Chapter 2 Product Overview ♦ Supports programmable word length, stop bits, and parity ♦ Supports 16-bit programmable baud-rate generator and a interrupt generator. • Infrared Interface ♦ Supports shared IrDA 1.1 support on COM2 ♦ Supports HPSIR and ASKIR infrared modes •...
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Chapter 2 Product Overview • Video Interfaces (CRT/LVDS) ♦ Support CRT (1600 x 1200) with 32MB SMA (Shared Memory Area) ♦ AGP 4X graphics ♦ Compliant 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) •...
Chapter 2 Product Overview 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.
Chapter 2 Product Overview Connector Definitions Table 2-2 describes the connectors shown in Figures 2-3 to 2-5. All I/O connectors use 0.1” pin spacing unless otherwise indicated. Table 2-2. Connector Descriptions Jack # Signal Description J1A/J1B & PC/104 bus 104-pins for PC/104 connector J1C, J1D Fan connector 3-pin header provides +5v and ground to fan.
Chapter 2 Product Overview Power Specifications Table 2-8 shows the power requirements from the baseboard and the board power output. Table 2-8. Power Supply Requirements Parameter 400MHz Celeron (Q3) 650MHz Celeron (Q2) 933MHz Pentium III (Q1) Characteristics Characteristics Characteristics Input Type Regulated DC voltages Regulated DC voltages Regulated DC voltages...
Power Interface (J10) NOTE Ampro Computers, Inc. only supports the features/options tested and listed in this manual. The main integrated circuits (chips) used in the LittleBoard 700 may provide more features or options than are listed for the LittleBoard 700, but some of these chip features/options are not supported on the board and may not function as specified in the chip documentation.
Chapter 3 Hardware CPU (U1) The LittleBoard 700 offers three Intel processor choices; high performance 933MHz Low Voltage (LV) Pentium® III processor, 650MHz LV Celeron® processor, or the low cost, 400MHz LV Celeron processor. Celeron Processors The Celeron (0.13µ) processors at 650MHz or 400MHz have 256kB L2 Cache on board and use a 100MHz FSB (front side bus).
Chapter 3 Hardware Table 3-2. Memory Map Base Address Function 00000000h 0009FFFFh Conventional Memory 000A0000h 000AFFFFh Graphics Memory 000B0000h 000B7FFFh Mono Text Memory 000B8000h 000BFFFFh Color Text Memory 000C0000h 000C7FFFh Standard Video BIOS 000F0000h 000FFFFFh System BIOS Area (Storage and RAM Shadowing) 00100000h 04000000h Extended Memory (If onboard VGA is enabled, then the amount...
Chapter 3 Hardware PC/104-Plus Interface (J21) The PC/104-Plus uses a 120-pin (30x4) header interface. This interface header carries all of the appropriate PCI signals operating at clock speeds up to 33MHz. The Northbridge, VT8606, integrates a PCI arbiter that supports up to four devices with three external PCI masters. This interface header accepts stackable modules and is located on the top of the board.
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Chapter 3 Hardware Pin # Signal Input/ Description Output 20 (A20) Digital Ground 21 (A21) AD29 PCI Address and Data Bus Line 29 – Refer to Pin 3 for more information. 22 (A22) +5 volts ±5% power supply 23 (A23) REQ0* Bus Request 0 –...
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Chapter 3 Hardware Pin # Signal Input/ Description Output 47 (B17) AD23 PCI Address and Data Bus Line 23 – Refer to Pin 3 for more information. 48 (B18) Digital Ground 49 (B19) C/BE3* PCI Bus Command/Byte Enable 3 – Refer to Pin 4 for more information.
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Chapter 3 Hardware Pin # Signal Input/ Description Output 76 (C16) Digital Ground 77 (C17) AD22 PCI Address and Data Bus Line 22 – Refer to Pin 3 for more information. 78 (C18) IDSEL1 Initialization Device Select 1 – Refer to Pin 18 for more information 79 (C19) VI/O...
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Chapter 3 Hardware Pin # Signal Input/ Description Output 106 (D16) AD19 PCI Address and Data Bus Line 19 – Refer to Pin 3 for more information. 107 (D17) +3.3V +3.3 volts ±5% power supply 108 (D18) IDSEL2 Initialization Device Select 2 – Refer to Pin 18 for more information.
Chapter 3 Hardware PC/104 Interface (J1A,B,C,D) The PC/104 Bus uses a 104-pin 100 mil header interface. This interface header will carry all of the appropriate PC/104 signals operating at clock speeds up to 8MHz. This interface header accepts stackable modules and is located on the top of the board. Table 3-5.
Chapter 3 Hardware IDE Interface (J12, J17) The LittleBoard 700 provides two IDE connectors for primary and secondary IDE signals. The EIDE interface logic supports the following features: • Transfer rate up to 100Mbps • Increase reliability using Ultra DMA 33/66/100 transfer protocols •...
Chapter 3 Hardware Pin # Signal Description IOR* Primary Device I/O Read/Write Strobe Digital Ground IORDY Primary Device I/O-DMA Channel Ready Reserved Reserved IDACK0* Primary Device DMA Channel Acknowledge Digital Ground IRQ14 Interrupt Request 14 Not connected IDE ATA Primary Disk Address (0 to 2). Used to indicate which byte in the ATA command block or control block is being accessed PD33_66 UDMA 33/66 Sense...
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Chapter 3 Hardware Pin # Signal Description Digital Ground Key pin plug IDRQ0 Primary Device DMA Channel Request Digital Ground IOW* Primary Device I/O Read/Write Strobe Digital Ground IOR* Primary Device I/O Read/Write Strobe Digital Ground IORDY Primary Device I/O-DMA Channel Ready Reserved Reserved IDACK0*...
Chapter 3 Hardware CompactFlash Adapter (J23) The board contains a Type II PC card socket, which allows for the insertion of a CompactFlash Card. The CompactFlash Card acts as a standard IDE Drive and is connected to the primary IDE bus. If a CompactFlash card is installed, only one additional IDE drive may be added to the primary bus.
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Chapter 3 Hardware Pin # Signal Description Disk Data – These signals (0 to 15) provide the disk data signals Disk Data – These signals (0 to 15) provide the disk data signals Disk Data – These signals (0 to 15) provide the disk data signals CS3* Primary Slave/Master Chip Select Not Connected...
Chapter 3 Hardware Floppy Drive Interface (J14) The VT82C686B chip provides the floppy controller and supports two floppy drives. The floppy signals are provided through the 26-pin connector (J14). The floppy controller will support the 360k, 720k, 1.2M, 1.44M, or 2.88M drives Table 3-12.
Chapter 3 Hardware Parallel Port Interface (J15) Parallel port supports standard parallel, Bi-directional, ECP and EPP protocols. The VIA Southbridge provides the parallel port interface signals. Table 3-13. Parallel Interface Pin/Signal Descriptions (J15) Pin # Signal In/Out Description Strobe* Strobe* – This is an output signal used to strobe data into the printer.
Chapter 3 Hardware Pin # Signal In/Out Description Digital Ground SLCT Select – This is a status output signal from the printer. A High State indicates it is selected and powered on. Digital Ground Notes: The shaded area denotes power or ground. The signals marked with * = Negative true logic. Serial Interfaces (J11, J13) Two chips provide the circuitry for the 4 serial ports.
Chapter 3 Hardware Table 3-14. Serial A Interface Pin/Signal Descriptions (J11) Pin # Pin # Signal Description DCD1* Data Carrier Detect 1 – Indicator to serial port 1 that external modem is (COM1) detecting a carrier signal (i.e., a communication channel is currently open).
Chapter 3 Hardware Pin # Pin # Signal Description RTS2* Request To Send 2 – Indicator to serial output port 2 is ready to transmit data. Used as hardware handshake with CTS2 for low level flow control. TX2+ TX2+ – If in RS485 or RS422 mode, this pin is Transmit Data 2 +. TXD2 Transmit Data 2 –...
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Chapter 3 Hardware Pin # Pin # Signal Description DTR3* Data Terminal Ready 3 – Serial port 3 indicator that port is powered, initialized, and ready. Used as hardware handshake with DSR3 for overall readiness to communicate. Designed for direct input to external RS232 driver.
Chapter 3 Hardware Utility Interfaces The Utility interfaces consists of three connectors that provide the standard interface signals, which include the: • Utility 1 ♦ Keyboard ♦ External battery connection ♦ Reset Switch ♦ Speaker • Utility 2 ♦ PS/2 Mouse ♦...
Chapter 3 Hardware Speaker The signal lines for a speaker port with 0.1-watt drive are provided through a Utility 1 interface (J16). Table 3-16. Utility 1 Interface Pin/Signal Descriptions (J16) Pin # Signal Description -12 Volts Ground -5 Volts Ground Not used (Power On LED) Reserved SPKR+...
Chapter 3 Hardware Table 3-17. SMBus Reserved Addresses Component Address Binary Serial EEPROM (SEEP) 1010,010x SDRAM EPROM 1010,000x Clock Generator (ICS9250) 1101,001x Southbridge (VT82C686B) 0000,000x (default) Programmable Master Thermal Sensor (MAX1617) 0011,0010x USB Signals (USB0 and USB1) The LittleBoard 700 contains one root USB hub with four functional USB ports. This connector (Utility 2 ) provides two of the four USB ports (USB0 and USB1).
Chapter 3 Hardware Table 3-18. Utility 2 Interface Pin/Signal Descriptions (J24) Pin # Signal Description PWRBT* Power Button BATLOW* Low Battery Not Connected (IR Mode Select) IRTX IR Transmit Data IRRX IR Receive Data Ground MDATA Mouse Data MCLK Mouse Clock Ground SMBCLK SMBus Clock...
Chapter 3 Hardware Utility 3 Interface (J18) The Utility 3 interface is a 10-pin connector used to provide the two of the USB port signals to an external board with USB connections or directly to the respective USB connector for the USB ports. Table 3-19 gives the pin outs and interface signals for Utility 3 interface.
Chapter 3 Hardware Ethernet Interfaces (J7, J32) The Ethernet solution is provided by two Intel 82551ER PCI controller chips, which consists of both the Media Access Controller (MAC) and the physical layer (PHY) combined into a single component solution. The 82551ER is a 32-bit PCI controller that features enhanced scatter-gather bus mastering capabilities, which enables the 82551ER to perform high-speed data transfers over the PCI bus.
Chapter 3 Hardware Table 3-21. Ethernet Port 2 Pin/Signal Descriptions (J32) Pin # GND Digital Ground Analog Twisted Pair Ethernet Transmit Differential Pair. These pins transmit the serial bit stream for transmission on the Unshielded Twisted Pair Cable (UTP). These signals interface directly with an isolation transformer.
Chapter 3 Hardware Table 3-22. Audio Interface Pin/Signal Descriptions (J28) Pin # Signal Description VIDEO_L Video audio signal in left channel VIDEO_GND Video digital ground VIDEO_R Video audio signal in right channel CD_L CD-ROM signal left channel CD_GND CD-ROM digital ground CD_R CD-ROM signal right channel LINE_IN_L...
Chapter 3 Hardware Video Interfaces (J3, J4, J5, J31) The VT8606 chip provides the graphics control and video signals to the traditional glass CRT monitors and the LCD and LVDS flat panel displays. The chip features are listed below: CRT features: •...
Chapter 3 Hardware LCD Interface 1 Table 3-24. LCD Interface 1 Pin/Signal Descriptions (J3) Pin # Signal Description Digital Ground +3.3V +3.3V +12V +12V Digital Ground SHFCLK LCD shift clock Digital Ground LCD display enable Digital Ground Line Pulse – This signal is the digital monitor equivalent of HSYNC First Line Marker –...
Chapter 3 Hardware Pin # Signal Description +3.3V +3.3V +/- %5 ENAVEE Enable VEE ENAVDD Power sequencing output for LCD driver Digital Ground LCDP20 LCD Data Output 20 – Refer to pin 12 for more information. LCDP21 LCD Data Output 21 – Refer to pin 12 for more information. LCDP22 LCD Data Output 22 –...
Chapter 3 Hardware Miscellaneous Real Time Clock (RTC) The LittleBoard 700 contains a Real Time Clock (RTC). The CMOS RAM is backed up with a Lithium Battery. If the battery is not present, the BIOS has a battery-free boot option to complete the boot process.
Chapter 3 Hardware Hot (Serial) Cable To convert a standard serial cable to a Hot Cable, certain pins must be shorted together at the Serial port connector or at the DB9 connector. Short together the RTS (4) and RI (8) pins on Serial A (J11) header, for the serial port 1.
Chapter 3 Hardware Power Interface (J10) The LittleBoard 700 uses five separate voltages on the board, but only one of the voltages is provided externally (+5 volts) through the external connector, which uses a 7-pin vertical header with 0.100” spacing. Holes for a right angle mounting header are also available at J10. All the onboard voltages are derived from the externally supplied +5 volts DC +/- 5%.
Chapter 4 BIOS Setup Introduction This chapter describes the BIOS Setup menus and the various screens used for configuring the LittleBoard 700. Some features in the Operating System or application software may require configuration in the BIOS Setup screens. This section assumes the user is familiar with general BIOS Setup and does not attempt to describe the BIOS functions.
Chapter 4 BIOS Setup Accessing BIOS Setup (Serial Console) Entering 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. Connect the serial console, or the PC with serial terminal emulation, to Serial Port 1 or Serial Port 2 of the LittleBoard 700.
Chapter 4 BIOS Setup BIOS Configuration Screen Ampro Setup Utility for Little Board 700, SWxxxxxx [Date & Time] Help for Date > Date 08 Apr 2004< Time 10:24:34 [Drive Assignment] The Date & Time fields are updated Drive A 1.44 MB, 3.5”...
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Chapter 4 BIOS Setup NOTE Ampro does not recommend connecting a USB boot device to the LittleBoard 700 through an external hub. Instead, connect the USB boot device directly to the LittleBoard 700. Any USB (block) device that emulates a hard disk drive can be used when [USB HDD] is set as the drive option.
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Chapter 4 BIOS Setup • Drive and Boot Options ♦ Floppy Seek – [Disabled] or [Enabled] ♦ Hard disk Seek – [Disabled] or [Enabled] ♦ Floppy Swap – [Disabled] or [Enabled] ♦ Boot Method – [Boot Sector] or [Windows CE] Boot Sector is the traditional method for booting the system.
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Chapter 4 BIOS Setup • User Interface ♦ Show “Hit <Del>…” – [Disabled] or [Enabled] This field, if Enabled, will place “Hit Del” on screen during the boot process, to indicate when you may press “Del” to enter the BIOS Setup menus. ♦...
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Chapter 4 BIOS Setup • DRAM ♦ DRAM Clock Frequency – [SPD] or [PC100] This field specifies the DRAM clock frequency. • If this field is set to SPD (Serial Presence Detect), then the DRAM clock is set using the information read from the SPD(s) on the DRAM module(s).
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Chapter 4 BIOS Setup • Port – [3F8h], [2F8h], [3E8h], or [2E8h] This field selects the COM (Serial) port address used for console redirection when [Enabled] has been selected in Serial Console. Use a standard null-modem serial cable. However, connecting a Hot Cable to the other port (port not selected) overrides this field setting and activates the connected port.
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Chapter 4 BIOS Setup ♦ Serial 3 – [Disabled], [3F8h], [2F8h], [3E8h], [2E8h], [260h], [2F0h], [3E0h], [2E0h], [200h], or [220h] This field specifies the base address used for Serial Port 3. • IRQ – [3], [4], [5], [7], [9], [10], or [11] This field specifies the IRQ used for Serial Port 3.
Chapter 4 BIOS Setup ♦ PS/2 Mouse – [Disabled] or [Enabled] • If this field is set to [Enabled], then the on-board PS/2 Mouse controller is used and assigned an IRQ by the BIOS, typically IRQ 12. • If this field is set to [Disabled], then the on-board PS/2 Mouse controller is not used and IRQ 12 is available for other devices.
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Chapter 4 BIOS Setup Number LCD Resolution LCD Type 1024 x 768 x 18 (bit) TFT* 640 x 480 x 18 (bit) TFT* 800 x 600 x 18 (bit) 1024 x 768 x 18 (bit) 1280 x 1024 x 18 (bit) 1400 x 1050 x 18 (bit) TFTx2 800 x 600 x 16 (bit)
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Chapter 4 BIOS Setup ♦ Assign IRQ 1 – [Disabled] or [Enabled] • If this field is set to [Enabled], then the 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].
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Chapter 4 BIOS Setup ♦ Assign IRQ 11 – [Disabled] or [Enabled] (Typically ISA Bridge/Native IDE) • If this field is set to [Enabled], then the 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].
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Chapter 4 BIOS Setup ♦ Assign DMA 5 – [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 channel, then this field should be set to [Disabled].
Chapter 4 BIOS Setup Splash Screen Customization The LittleBoard 700 BIOS supports a graphical splash screen, which can be customized by the user and displayed on screen 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.
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Chapter 4 BIOS Setup Use the following steps to convert and load your custom image onto the LittleBoard 700. 1. Copy the files from the LB700\software\examples\splash directory on the CD-ROM to a new directory (conversion directory) on your PC. This new conversion directory is where you intend to do the conversion and save the file. 2.
Appendix A Technical Support Ampro Computers, Inc. provides a number of methods for contacting Technical Support listed in the Table A-1 below. Requests for support through the Virtual Technician are given the highest priority, and usually will be addressed within one working day.
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Appendix A Technical Support Reference Manual LittleBoard 700...
Appendix B Connection Part Numbers The following table provides the connector part numbers, or the equivalent, and if applicable the ribbon- cable part number, used as the mating connector to the referenced connectors on the LittleBoard 700. All connectors use 0.100” (2.54mm) pin spacing unless otherwise indicated. Table B-1.
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Appendix B Connector Part Numbers Reference Manual LittleBoard 700...