cmd6686gx manual - RTD Embedded Technologies, Inc.

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Multifunction Connector, CN5 The Multifunction connector implements the following functions: • Speaker output • AT keyboard • System reset input • Watchdog Timer output • Battery Input The following table gives the pinout of the Multifunction connector. Facing the connector pins, the pinout is: Multifunction Connector CN5 Pin Signal Function in/out 1 SPKR+ Speaker output (open collector) out 2 SPKR- Speaker output (+5 volts) out 3 RESET Manual push button reset in 4 STBY-SW Internally connected out 5 KBD Keyboard Data in 6 KBC Keyboard Clock out 7 GND Ground -- 8 KBP Keyboard Power (+5 volts) out 9 BAT Battery input in 10 -- Not Connected -- 9 7 5 3 1 BAT GND KBD RESET SPKR+ KBP KBC STBY- SW SPKR- 10 8 6 4 2 Speaker A speaker output is available on pins 1 and 2of the Multifunction connector. These outputs are controlled by a transistor to supply 0.1 watt of power to an external speaker. The external speaker should have 8 ohm impedance and be connected between pins 1 and 2. Keyboard An AT compatible keyboard can be connected to the Multifunction connector. Usually PC keyboards come with a cable ending with a 5-pin male ’DIN’ connector. The following table lists the relationship between the Multifunction connector pins and a standard ’DIN’ keyboard connector. To ensure correct operation, check that the keyboard is either an AT compatible keyboard or a switchable XT/AT keyboard set to AT mode. Switchable keyboards are usually set by a switch on the back or bottom of the keyboard. 42
Keyboard Connector Pins on CN5 Pin Signal Function DIN 5 KBD Keyboard Data 2 6 KBC Keyboard Clock 1 7 GND Ground 4 8 KBP Keyboard Power (+5 Volts) 5 System Reset Pin 3 of the multifunction connector allows connection of an external push-button to <strong>manual</strong>ly reset the system. The push-button should be normally open, and connect to ground when pushed. Battery Pin 9 of the multifunction connector is the connection for an external backup battery (in the range 2.40 V to 4.15 V; typically 3.0 or 3.6 V). This battery is used by the cpuModule when system power is removed, to preserve the date and time in the Real Time Clock 43
Page 1: CMD6686GX cpuModule TM User’s Man
Page 4 and 5: Revision History 99.03.30 New 99.07
Page 6 and 7: Parallel Port Control .............
Page 8 and 9: The CMD6686GX cpuModule The PC/104
Page 10 and 11: Solid State Disk Socket • SSD soc
Page 13 and 14: CHAPTER 2: GETTING STARTED For many
Page 15 and 16: CN17 USB Connector 10 pin For a com
Page 17 and 18: Cable Kits For maximum flexibility,
Page 19 and 20: Connecting the utility cable The Mu
Page 21 and 22: Connecting to the PC/104 Bus The PC
Page 23 and 24: Booting to Boot Block Flash with Fa
Page 25: For More Information This chapter h
Page 28: I/O Connections The cpuModule comes
Page 31 and 32: CMD6686GX Connector Locations NOTE!
Page 33 and 34: Facing the connector pins, the pino
Page 35 and 36: Facing the serial port’s connecto
Page 37 and 38: Serial Port 2, CN8 The second seria
Page 39 and 40: Connector CN8 in RS-422/485 Mode 5
Page 41: Parallel Port Connector, CN6 21 BSY
Page 45 and 46: USB Connector,CN17 Two USB ports ar
Page 47 and 48: The following table lists signals o
Page 49 and 50: PC/104 Bus Signals MASTER* I During
Page 51 and 52: CHAPTER 4: CONFIGURING THE CPUMODUL
Page 53 and 54: Default Configuration In addition t
Page 55 and 56: Installing SSD Memory This section
Page 57 and 58: Main Menu Setup Fields The followin
Page 59 and 60: BIOS Features Setup The following i
Page 61 and 62: Cyrix 6x86/MII CPUID BIOS Features
Page 63 and 64: Power Management Setup Fields The f
Page 65 and 66: Power Management Setup Fields IRQ t
Page 67 and 68: PNP/PCI Configuration Setup Fields
Page 69 and 70: Integrated Peripherals Setup Fields
Page 71: Exit Setup Fields The following is
Page 74 and 75: Memory Map The module addresses mem
Page 76 and 77: 2 Only one of the I/O addresses sho
Page 78 and 79: The RTD Enhanced Award BIOS The RTD
Page 80 and 81: Cannot initialize controller. Make
Page 82 and 83: RTD Enhanced Award BIOS POST Codes
Page 84 and 85: RTD Enhanced Award BIOS POST Codes
Page 86 and 87: Bypassing the Stored Configuration
Page 88 and 89: Watchdog Timer Control The cpuModul
Page 90 and 91: Parallel Port Control The parallel
Page 92 and 93:
Storing Applications On-board The c
Page 95 and 96:
BIOS Extension Devices You can use
Page 97:
Directly Accessing the Solid State
Page 100 and 101:
Jumpers Many cpuModule options are
Page 102 and 103:
JP2 2-pin jumper Open (no terminati
Page 104 and 105:
686GX233 or 686GX300 Processor Ther
Page 106 and 107:
Common Problems and Solutions The f
Page 108 and 109:
two hard drives will not work, but
Page 110 and 111:
How to Obtain Technical Support If
Page 112 and 113:
112
Page 114:
Real Time Devices USA, Inc. P.O. Bo
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