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Summary of Contents for Ampro MightyBoard 821
- Page 1 MightyBoard 821 Single Board Computer Reference Manual P/N 5001784B Revision A...
- Page 2 Notice Page NOTICE No part of this document may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual, or otherwise, without the prior written permission of Ampro Computers, Incorporated.
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Page 3: Table Of Contents
Contents Chapter 1 About This Manual ....................1 Purpose of this Manual ........................1 References ............................1 Chapter 2 Product Overview......................3 MightyBoard Architecture.........................3 Product Description..........................4 Board Features ..........................4 Block Diagram ..........................7 Major Components (ICs)......................7 Connector and Header Definitions....................9 Additional Components......................10 Jumper Definitions ........................11 Specifications..........................11 Power Specifications ........................11 Environmental Specifications....................12... - Page 4 Contents Infrared (IrDA) Port ........................26 Watchdog Timer........................27 Power Interfaces .......................... 27 ATX Power Supply Interface ....................27 Optional CPU Fan ........................28 Optional System Fan ....................... 28 Power and Sleep States........................ 28 Power-On Switch ........................28 Sleep States (ACPI) ......................... 29 Chapter 4 BIOS Setup ......................
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Page 5: Chapter 1 About This Manual
Chapter 1 About This Manual Purpose of this Manual This manual is for designers of systems based on the MightyBoard 821™ single board computer (SBC). The information in this manual helps designers create embedded systems based on specific design requirements. Information provided in this reference manual includes: •... - Page 6 Chapter 1 About This Manual • Intel Corporation and the Gigabit Ethernet PCI Express 82573V, used for the Gigabit Ethernet controller. Web site: http://www.intel.com/design/network/products/lan/controllers/82573.htm NOTE If you are unable to locate the datasheets using the links provided, go to the manufacturer’s web site where you should be able to perform a search using the chip datasheet number or name listed, including the extension such as htm or pdf.
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Page 7: Chapter 2 Product Overview
Chapter 2 Product Overview This introduction presents general information about the Mini-ITX form factor and the MightyBoard 821 single board computer (SBC). After reading this chapter you should understand: • MightyBoard 821 architecture • MightyBoard 821 features • Major components •... -
Page 8: Product Description
Chapter 2 Product Overview Product Description The MightyBoard 821 is an exceptionally high integration, high performance, rugged, and high quality single-board computer, which contains all the component subsystems of an ATX motherboard plus a single PCI expansion slot. Based on Intel processors (Pentium M or Celeron M), the MightyBoard 821 gives designers a complete, high performance embedded processor based on the Mini-ITX form factor. - Page 9 Chapter 2 Product Overview Provides standard printer port ♦ Supports IEEE standard 1284 protocols of EPP and ECP outputs ♦ Provides bi-directional data lines ♦ Supports 16 byte FIFO for ECP mode ♦ • USB Ports Provides two root USB hubs ♦...
- Page 10 Chapter 2 Product Overview • Half-duplex mode supports enhanced proprietary collision reduction mode Supports LAN Boot (See Appendix B) ♦ • Video Interfaces (CRT/LVDS) Support CRT (2048-1536) with 64MB BIOS dependent UMA (Unified Memory Architecture) ♦ Integrated graphics controller performance ♦...
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Page 11: Block Diagram
Chapter 2 Product Overview Block Diagram Figure 2-2 shows the functional components of the MightyBoard 821. Intel Pentium M Clock or Celeron M DDR2 SODIMM CRT VGA Memory Hub Memory Bus 82915GM (Northbridge) LVDS LCD Temp PCIe Bus Connector PCIe x16 Bus SMBus PATA... -
Page 12: Figure 2-3. Component Locations
Chapter 2 Product Overview Table 2-1. Major Component Descriptions and Functions Chip Type Mfg. Model Description Function CPU (U10) Intel Pentium M, 2.0GHz, 1.5GHz CPUs Embedded Celeron M Memory Hub (U7) Intel 915GM Memory and Video functions Memory and Video I/O Hub (U3) Intel 82801FB... -
Page 13: Connector And Header Definitions
Chapter 2 Product Overview Connector and Header Definitions Table 2-2 describes the connectors and headers shown in Figure 2-4. All I/O connectors and headers use 2.54mm (0.1") pin spacing (pitch) unless otherwise indicated. Table 2-2. Connector and Header Descriptions Jack # Signal Description Battery... -
Page 14: Additional Components
Chapter 2 Product Overview Figure 2-4. Connector and Header Locations NOTE Pin-1 is shown as a black pin (square or round) in all connectors and jumpers in all illustrations. Additional Components Fuses F1 and F2, in Table 2-3, are shown in Figure 2-4. -
Page 15: Jumper Definitions
Chapter 2 Product Overview Jumper Definitions Table 2-4 describes the jumpers shown in Figure 2-4 on page Table 2-4. Jumper Settings Jumper # Installed Removed/Installed JP1 – CMOS Normal/Clear Normal (pins 1-2) Default Clear (pins 2-3) JP2 – CPU Voltage Select 1.5V/533 FSB CPU (pins 1-2) 1.8V/400 FSB CPU (removed) JP3 –... -
Page 16: Environmental Specifications
Chapter 2 Product Overview Table 2-6. System Power Requirements (2.0 GHz CPU) Parameter +12.0VDC In-rush Current Max: 5.84A (70.08W) (Typical) Min: 0.20A (2.40W) Idle 0.97A (11.65W) BIT* Current 1.33A (16.00W) (Typical) Operating configurations: • In-rush operating configuration includes 512MB DDR RAM, ATX power, CRT monitor, two SATA HDDs and one IDE HDD each with WinXP Pro, keyboard and mouse. -
Page 17: Physical Specifications
Chapter 2 Product Overview Physical Specifications Table 2-8 shows the physical dimensions of the board, and Figure 2-5 shows the mounting dimensions and connector locations. Table 2-8. Weight and Footprint Dimensions NOTE Overall height is measured from the Item Dimension upper board surface to the highest 0.385kg. - Page 18 Chapter 2 Product Overview Reference Manual MightyBoard 821...
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Page 19: Chapter 3 Hardware
Chapter 3 Hardware Overview This chapter discusses the chips and features of the connectors in the following order: • Interrupt Channel Assignments • Memory Map • I/O Address Map • Serial Interfaces • USB Interfaces USB 2.0 Support ♦ Legacy USB Support ♦... -
Page 20: Interrupt Channel Assignments
Chapter 3 Hardware Interrupt Channel Assignments The interrupt channel assignments are shown in Table 3-1. Table 3-1. Interrupt Channel Assignments Device vs IRQ No. 10 11 Timer Keyboard Secondary Cascade COM1 COM2 COM3 COM4 Parallel Math Coprocessor PS/2 Mouse PCI INTA Automatically Assigned PCI INTB Automatically Assigned... -
Page 21: I/O Address Map
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 000CFFFFh Standard Video BIOS 000E0000h 000FFFFFh System BIOS Area (Storage and RAM Shadowing) 00100000h 04000000h Extended Memory (If onboard VGA is enabled, then the amount... -
Page 22: Serial Interfaces
Chapter 3 Hardware Serial Interfaces The Super I/O (W83627HF) chip and the LPC UART controller (F81216D) provide the circuitry for the four serial ports. The Super I/O chip provides serial ports 1 and 2 through connector J3 and header J6 respectively. -
Page 23: Table 3-4. Serial 2 (Com2) Interface Pin/Signal Descriptions (J6)
Chapter 3 Hardware Table 3-4. Serial 2 (COM2) Interface Pin/Signal Descriptions (J6) Pin # Pin # Signal Description DCD2* Data Carrier Detect 2 – Indicates external serial communications device is detecting a carrier signal (i.e., a communication channel is currently open). In direct connect environments, this input will be driven by DTR2 as part of the DTR2/DSR2 handshake. -
Page 24: Keyboard/Mouse Interfaces
Chapter 3 Hardware Table 3-5. Serial 3 and 4 (COM3 and COM4) Interface Pin/Signal Descriptions (J15) CTS3* Clear To Send 3 – Indicates external serial communications device is ready to receive data. Used as hardware handshake with RTS3 for low level flow control. RX3+ RX3+ –... -
Page 25: Mouse Interface
Chapter 3 Hardware Mouse Interface The Super I/O chip (W83627HF) provides the signal lines for a PS/2 mouse through the mouse connector (J1B). USB Interfaces The I/O Hub (82801DBM) provides the USB solution for both legacy UHCI controllers and EHCI controller (USB 2.0) support. -
Page 26: Audio Interface
Chapter 3 Hardware Table 3-6. USB Ports 4 & 5 Interface Pin/Signal Descriptions (J21) (Continued) USBP4+ Universal Serial Bus 3 Positive 7, 8, 9, 10 Ground Note: The shaded area denotes power or ground. Audio Interface The audio solution on the MightyBoard 821 is provided by the I/O Hub, 82801DBM (Southbridge) and the on-board Audio CODEC (ALC202A). -
Page 27: Lvds Interface
Chapter 3 Hardware • Supports Spread Spectrum Clocking; center and down spread support utilizing an external SSC clock • Supports panel up-scaling (to fit a smaller source image onto a specific native panel size) as well as panning and centering CRT Interface LVDS Interface Table 3-7. -
Page 28: Utility Interface
Chapter 3 Hardware Utility Interface External Power-On Switch This control signal is provided externally through a switch by connecting ground pin 8 to pin 6 on the Utility connector (J17). External Reset Switch This control signal is provided through an external switch by connecting ground pin 12 to pin 10 on the Utility connector. -
Page 29: Miscellaneous
Chapter 3 Hardware Miscellaneous Real Time Clock (RTC) The MightyBoard 821 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. External Battery (BT1) An external battery input connection is provided through the battery connector (BT1) for an external battery. -
Page 30: Ethernet External Led
Chapter 3 Hardware Ethernet External LED This header is for an external LED for Ethernet power and activity. Table 3-10. Ethernet External LED Pin/Signal Descriptions (JP6) Pin # Signal Description ACT#1 Ethernet Activity 1 ACT#2 Ethernet Activity 2 LINK#1 Ethernet Link 1 LINK#2 Ethernet Link 2 VCC3... -
Page 31: Watchdog Timer
Chapter 3 Hardware Table 3-11. Infrared (IrDA) Interface Pin/Signal Descriptions (J7) (Continued) IRRX IR Receive Data Ground Note: The shaded area denotes power or ground. Watchdog Timer The watchdog timer (WDT) restarts the system if a mishap occurs. Possible problems include failure to boot properly, the application software’s loss of control, unexpected conditions on the bus, or other hardware or software malfunctions. -
Page 32: Optional Cpu Fan
Chapter 3 Hardware Table 3-12. ATX Power Supply Interface Pin/Signal Descriptions (J2) (Continued) 13, 15 Ground line PS-On Power Supply On – This signal turns on and off the ATX power supply. 16, 17 Ground line Not connected (-5.0 volts) Note: The shaded area denotes power or ground. -
Page 33: Sleep States (Acpi)
Chapter 3 Hardware The Power-On Switch is provided externally by connecting a momentary switch between pins 1 and 2 on the Utility connector (J17). The Power-On signal occurs when ground is placed on pin 6 of J17. Sleep States (ACPI) The MightyBoard 821 supports the ACPI (Advanced Configuration and Power Interface) standard, which is a key component of certain Operating Systems’... - Page 34 Chapter 3 Hardware Power-On LED if connected. Your system will take longer to wake-up in this sleep state, however, since your data is saved to the disk, it is more secure and should not be lost in the event of a power failure. To enter a hibernate or suspend-to-disk state, the MightyBoard 821 must be fully powered on while ♦...
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Page 35: Chapter 4 Bios Setup
Chapter 4 BIOS Setup Introduction This section assumes the user is familiar with general BIOS Setup. Refer to the appropriate PC reference manuals for information about the onboard ROM-BIOS software interface. If Ampro has added to or modified the standard functions, these functions will be described. Entering BIOS Setup (VGA Display) To access BIOS Setup using a VGA display for the MightyBoard 821: Turn on the VGA monitor and the power supply to the MightyBoard 821. -
Page 36: Logo Screen
Chapter 4 BIOS Setup Restore power to the MightyBoard 821 and look for the screen prompt shown below. Hit ^C if you want to run SETUP Press the F4 key to enter Setup (early in the boot sequence if Quick Boot is set to [Enabled].) If Quick Boot is set to [Enabled], you may never see the screen prompt. -
Page 37: Appendix A Technical Support
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 Ask an Expert are given the highest priority, and usually will be addressed within one working day. •... - Page 38 Appendix A Technical Support Reference Manual MightyBoard 821...
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