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Chapter 2

Product Overview

MightyBoard 821

Reference Manual

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

BT1

Battery

2-pin, 1.25mm external battery connector

DIMM1

DDR2 Memory 1

240-pin socket for DDR2 RAM DIMM

DIMM2

DDR2 Memory 2

240-pin socket for DDR2 RAM DIMM

J1 A/B

Keyboard/Mouse

6-pin standard PS/2 connectors for keyboard (purple) and mouse
(green)

ATX PWR In

20-pin, 4.2mm for ATX power in connector

Serial 1 (COM1)

9-pin, 2.77mm connector for serial port 1 (COM1)

Parallel

25-pin connector for printer port (LPT 1)

Video (CRT)

15-pin connector for output to a CRT type monitor

Serial 2 (COM2)

10-pin, 2.0mm header for serial port 2 (COM2)

JP6

Ethernet External
LED

8-pin header for Ethernet activity signals on external LEDs

Infrared (IrDA)

5-pin header for Infrared (IrDA)

GPIO

10-pin, 2.0mm header for general purpose I/O

Video (LVDS)

30-pin, 2.0mm header for LVDS type video displays

J10

DNP

Do not populate

J11A

Ethernet 1
(LAN1)

8-pin RJ45 connector on Gigabit Ethernet port 1

J11B/C

USB 0 & 1

8-pin USB jack provides USB0 and USB1 ports

J12

CPU Fan

3-pin header for fan, +12V, tachometer, ground

J13A Ethernet

(LAN2)

8-pin RJ45 connector on Gigabit Ethernet port 2

J13B/C

USB 2 & 3

8-pin USB jack provides USB2 and USB3 ports

J14

Audio In/Out

14-pin jack for 3.5 mm MIC In, Line Out, Line In connectors

J15

Serial 3 & 4

20-pin, 2.0mm header for serial ports 3 and 4 (COM3 & COM4)

J16

PCI Express

164-pin, 2.0mm slot for PCI Express

J17

Utility

16-pin connector for PWR LED, IDE activity LED, Power switch,
reset switch, PC speaker (Beep)

J18

IDE

40-pin header for the IDE interface

J19

SATA 1

7-pin Serial ATA connector

J20

SATA 0

7-pin Serial ATA connector

J21

USB 4 & 5

10-pin, 2.0mm header for USB4 and USB5 ports

J22

System Fan

3-pin header for fan, +12V, tachometer, ground

Содержание MightyBoard 821

Страница 1: ...MightyBoard 821 Single Board Computer Reference Manual P N 5001784B Revision A...

Страница 2: ...Ampro at the address listed below on the Notice page of this document Audience This manual provides reference only for computer design engineers including but not limited to hardware and software desi...

Страница 3: ...Mechanical Specifications 13 Chapter 3 Hardware 15 Overview 15 Interrupt Channel Assignments 16 Memory Map 16 I O Address Map 17 Serial Interfaces 18 Keyboard Mouse Interfaces 20 Keyboard Interface 20...

Страница 4: ...4 Jumper Settings 11 Table 2 5 System Power Requirements 1 5 GHz CPU 11 Table 2 6 System Power Requirements 2 0 GHz CPU 12 Table 2 7 Environmental Requirements 12 Table 2 8 Weight and Footprint Dimen...

Страница 5: ...s also available on the Ampro web site in the InfoCenter The InfoCenter was created for embedded system developers to share Ampro s knowledge insight and expertise Specifications PCI Express Compliant...

Страница 6: ...it 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 w...

Страница 7: ...ctor is small enough for deeply embedded applications yet large enough to contain the functions of a complete embedded SBC including CPU memory mass storage interfaces display controller serial parall...

Страница 8: ...rates at clock speeds up to 100MHz Among the many embedded PC enhancements on the MightyBoard 821 that ensure embedded system operation and application versatility are a watchdog timer serial console...

Страница 9: ...ts programmable word length stop bits and parity Supports 16 bit programmable baud rate generator and an interrupt generator Infrared Interface Provides a five pin IrDA interface header J7 Supports Ir...

Страница 10: ...chitecture Integrated graphics controller performance LVDS outputs 1 or 2 channel four differential signals 3 bits clock Miscellaneous Provides real time clock RTC with replaceable battery Supports ba...

Страница 11: ...lkdiagm_b Intel Pentium M or Celeron M CPU DDR2 SODIMM Memory Bus Magnetics RJ45 Keyboard Mouse SMBus PCIe Bus Connector PCIe x16 Bus PCIe x1 Bus IrDA 1 1 Parallel AC 97 CODEC COM3 COM4 USB Port 2 USB...

Страница 12: ...me of the I O functions HDD Audio USB LAN PCI I O Functions Super I O U5 Nuvoton W83627HF Provides most of remaining I O functions FDD COM1 2 KB MS LPT Fan IrDA I O Functions LPC I O UART Controller U...

Страница 13: ...pin header for Ethernet activity signals on external LEDs J7 Infrared IrDA 5 pin header for Infrared IrDA J8 GPIO 10 pin 2 0mm header for general purpose I O J9 Video LVDS 30 pin 2 0mm header for LVD...

Страница 14: ...a black pin square or round in all connectors and jumpers in all illustrations Table 2 3 Additional Component Descriptions Component Description F1 1 6A Auto Reset Overcurrent Fuse for the USB 4 5 J21...

Страница 15: ...IT Burn In Test Operating configuration includes Idle configuration as well as one serial port with loop back one parallel port with loop back two Ethernet connections and four external USB flash driv...

Страница 16: ...ry Hub Northbridge I O Hub Southbridge and voltage regulators are the sources of heat on the board The MightyBoard 821 is designed to operate at its maximum CPU speed of 2 0GHz or 1 5GHz Both CPU vers...

Страница 17: ...re detailed dimensions Figure 2 5 Back Panel Overview Table 2 8 Weight and Footprint Dimensions Item Dimension NOTE Overall height is measured from the upper board surface to the highest permanent com...

Страница 18: ...Chapter 2 Product Overview 14 Reference Manual MightyBoard 821...

Страница 19: ...r On LED External IDE Activity LED Miscellaneous Real Time Clock RTC External Battery BT1 Temperature Monitoring User GPIO Signals Ethernet External LED Serial Console Serial Console Setup Watchdog ti...

Страница 20: ...1 12 13 14 15 Timer D Keyboard D Secondary Cascade D COM1 O D COM2 D O COM3 O D COM4 D O Parallel O D RTC D IDE D O Math Coprocessor D PS 2 Mouse D PCI INTA Automatically Assigned PCI INTB Automatical...

Страница 21: ...subtracted from extended memory FFF80000h FFFFFFFFh System Flash Table 3 3 I O Address Map Address hex Subsystem 000 00F Primary DMA Controller 020 021 Master Interrupt Controller 040 043 Programmable...

Страница 22: ...port For example on Serial Port 3 tie pins 3 to 5 and pins 4 to 6 at the Serial B interface connector as shown in Figure 3 1 As an alternate tie pins 2 to 3 and pins 7 to 8 at the DB9 serial connecto...

Страница 23: ...initialized and ready Used as hardware handshake with DSR2 for overall readiness to communicate 8 9 RI2 Ring Indicator 2 Indicates external serial communications device is detecting a ring condition U...

Страница 24: ...a communication channel is currently open In direct connect environments this input will be driven by DTR4 as part of the DTR4 DSR4 handshake 12 6 DSR4 Data Set Ready 4 Indicates external serial comm...

Страница 25: ...the J21 header One EHCI host controller for all four USB ports on connectors Supports USB v2 0 Specification Over current fuses located on the board where USB0 and USB1 share a single fuse F2 USB2 an...

Страница 26: ...e Memory Hub Northbridge features are listed below Supports 2D 3D graphics with extensive set of instructions including 3D rendering and display BLT operations MPEG2 decode acceleration 3D overlay CRT...

Страница 27: ...V source 3 GND Ground Gnd 4 GND Ground 5 LVDSB_Clk Clock Positive Output Clk Channel 1 6 LVDSB_Clk Clock Negative Output 7 NC Not Connected 3 8 NC Not Connected 9 LVDSB_Y2 Data Positive Output 2 10 LV...

Страница 28: ...the Utility connector for an external LED to indicate power is applied to the MightyBoard 821 Note The shaded area denotes power or ground NOTE To perform the equivalent of a power on reset the reset...

Страница 29: ...User GPIO Signals J8 The MightyBoard 821 provides ten GPIO pins including power and ground for custom use and the signals are routed to the J8 connector Enable and initialize values are set in the BIO...

Страница 30: ...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 pulse is sent during the bit t...

Страница 31: ...ol the WDT Refer to the WDT Readme file in the Miscellaneous Source Code Examples subdirectory under the MightyBoard 821 Software menu on the MightyBoard 821 Support Software DVD Power Interfaces ATX...

Страница 32: ...d 821 and its power supply during the OS shut down process If the OS supports sleep states the Power On button will also transition the MightyBoard 821 and its power supply between a fully Powered On...

Страница 33: ...andby state S1 In this state no internal operations take place except for the internal RTC real time clock and the contents of RAM This typically includes no activity for the CPU CD ROM or hard disk d...

Страница 34: ...r shutdown S5 All activity stops except the internal clock if there is a backup battery installed Removing the power cord from the power source ensures all activity is stopped except the internal cloc...

Страница 35: ...e in remote access mode is very similar to the steps you use to enter BIOS Setup with a VGA display 1 Turn on the power supply to the MightyBoard 821 and enter the BIOS Setup Utility in VGA mode 2 Set...

Страница 36: ...t image displayed on screen during the boot process and remain there depending on the options selected in BIOS Setup while the OS boots Logo Screen Image Requirements The user s image may be customize...

Страница 37: ...You 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 immed...

Страница 38: ...Appendix A Technical Support 34 Reference Manual MightyBoard 821...

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