Eagle Computer Service Manual For Authorized Service Personnel On
© 1998 ALPHA MICROSYSTEMS FIRST EDITION: July 1998 To re-order this document, request part number DSS-10517-00. FCC Notice This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
Table of Contents INTRODUCTION EAGLE SERIES COMPUTERS ACCESSING YOUR COMPUTER Electronic Equipment Handling Precautions HARDWARE CONFIGURABLE OPTIONS Printed Circuit Board Configuration AM-137 Board Configuration AM-319(-00) Board Configuration AM-319(-10) Board Configuration AM-319(-20) Board Configuration Remote Reset Capability Boot ID Configuration Switch Replacing the Time and Date Battery SSD Chip and Boot PROM Handling Roadrunner AM-172 Board Configuration Roadrunner AM-174 Board Configuration ACCESS
Eagle Series Computer Service Manual Page 1 INTRODUCTION The instructions in this document are intended only for authorized service personnel. Eagle series computers contain a high-output power supply, which produces current levels high enough to make it unsafe for unauthorized persons to perform work inside the chassis. Note: This document describes the Eagle Series computer packaged in the standard Eagle enclosure.
Page 2 Eagle Series Computer Service Manual ACCESSING YOUR COMPUTER For hardware information on the AM-990 chassis consult the AM-990 SBC Service Manual, part number DSS-10524-00. When adding additional equipment or servicing your computer, you need to remove your computer’s top cover. The top cover is held in place with four Phillips-head screws located on the computer’s rear panel. To remove the top cover, remove the four screws from the locations indicated in the illustration below.
Eagle Series Computer Service Manual Page 3 Eagle Top Cover Removal Electronic Equipment Handling Precautions With the AC power cord unplugged and the top cover removed, the components inside your computer are vulnerable to damage caused by static discharge. Your body and clothing are capable of storing an electrical charge that can damage or destroy unprotected electronic components. Before handling any computer hardware, make sure your work area is properly protected against static discharge.
Page 4 Eagle Series Computer Service Manual Static Protection Wrist Strap HARDWARE CONFIGURABLE OPTIONS The following sections summarize the configuration options available to let you tailor your hardware to your needs. Most of these options require gaining access to the main circuit boards within the computer, and therefore, should be attempted only by qualified technical personnel. Contact your VAR if you require assistance in this area.
Eagle Series Computer Service Manual Page 5 AM-319(-00) The AM-319(-00) board is used with either an AM-172 or AM-174 Roadrunner board in the Eagle 300500 computers. The AM-319 board supports all the I/O ports used to communicate with printers, terminals, networks, etc. It also contains your computer’s SSD chip and the boot configuration switches. AM-319(-10) The AM-319(-10) board is used with either an AM-172 or AM-174 Roadrunner board in the Eagle 200 computer.
Page 6 Eagle Series Computer Service Manual BOOT CONFIGURATION SWITCH J1 ER Y ALPHA MICROSYSTEMS BA TT W1 PARALLEL PORT W2 "IN" = REMOTE RESET ENABLED W2 "OUT" = REMOTE RESET DISABLED (DEFAULT) W2 SSD U14 U15 RESET SWITCH J2 FOUR ON-BOARD (4-7) RS232 SERIAL PORTS POWER CONNECTOR FOUR ON-BOARD (0-3) RS232 SERIAL PORTS PIN-1 W3 J3 J4 OSCILLATOR JUMPERS DO NOT REMOVE W4 J5 W5 U28 U29 AM-137 MEMORY CONNECTOR I/O EXPANSION—SUPPORTS AM-318, AM-318-10, AND AM-314 SERIAL I/O BOARDS, AND THE
Eagle Series Computer Service Manual Page 7 AM-319(-00) Board Configuration The illustration below shows the AM-319-00 board configured as shipped by Alpha Micro. There are only two user-configurable jumpers on this board, the W7 Remote Reset jumper and the W10 Ethernet Media Configuration jumper. All other jumpers should be left in their factory-configured positions. All possible configurations for jumpers W7 and W10 are shown in the illustration. ETHERNET MEDIA CONFIGURATION JUMPER W10 = ETHERNET A.U.
Page 8 Eagle Series Computer Service Manual AM-319(-10) Board Configuration The illustration below shows the AM-319(-10) board configured as shipped by Alpha Micro. There is only one user-configurable jumper on this board, the W3 Remote Reset jumper. All other jumpers should be left in their factory-configured positions. All possible configurations for jumper W3 are shown in the illustration. CONNECTOR FOR AM-219 DISKETTE CONTROLLER The J7 I/O expansion slot will also support the AM-366 Ethernet board.
Eagle Series Computer Service Manual Page 9 AM-319(-20) Board Configuration The illustration below shows the AM-319(-20) board configured as shipped by Alpha Micro. There is only one-user configurable jumper on this board, the JP7 Remote Reset jumper. All other jumpers should be left in their factory-configured positions.
Page 10 Eagle Series Computer Service Manual Remote Reset Capability The remote reset option jumper is shown in the AM-137, AM-319(-00), AM-319(-10), and AM-319(-20) illustrations. When remote reset is enabled, you can reset your computer via the terminal cable attached to serial port #0. This is done by connecting a push-button switch between pin-1 and pin-7 (signal ground) at the terminal end of the cable.
Eagle Series Computer Service Manual Page 11 AM-319(-20) Battery Replacement The AM-319(-20) board uses two three-volt lithium batteries (part #BR1225). The batteries are slightly smaller than a dime, and are secured side-by-side in a plastic holder. When the batteries need replacement, you must replace both batteries at the same time. Refer to the following steps and illustration for battery replacement.
Page 12 Eagle Series Computer Service Manual The battery backup on the AM-319(-20) also maintains the boot routine data stored in its onboard CMOS chip. After you install the new batteries and boot the system, the front panel may display a blinking “CE” for several seconds, indicating a CMOS checksum verification failure. If this occurs, the boot routine will next display “CC” while testing the CMOS RAM to ensure it is working properly.
Eagle Series Computer Service Manual Page 13 Roadrunner AM-172 Board Configuration The illustration below shows the AM-172 board configured as shipped by Alpha Micro. The only userconfigurable jumpers on this board are the JP5 and JP6 memory configuration jumpers. These jumpers only need to be reconfigured if you change the amount of memory installed in your computer. All other jumpers on the board should be left in their factory-configured positions.
Page 14 Eagle Series Computer Service Manual Roadrunner AM-174 Board Configuration The illustration below shows the AM-174 board configured as shipped by Alpha Micro. The only userconfigurable jumpers on this board are the JP11, JP12, and JP13 memory configuration jumpers. These jumpers only need to be reconfigured if you change the amount of memory installed in your computer. All other jumpers on the board should be left in their factory-configured positions.
Eagle Series Computer Service Manual Page 15 ACCESSING YOUR ROADRUNNER BOARD Where your Roadrunner board is located in your Eagle chassis depends on when you purchased your computer. On early-model Eagle computers, the Roadrunner board is mounted vertically on a special bracket as shown in the next two illustrations. Later model Eagle computers have their Roadrunner boards mounted horizontally on the chassis bottom, as shown in the third illustration.
Page 16 Eagle Series Computer Service Manual ROADRUNNER 030 OR 040 BOARD When upgrading or replacing your Roadrunner board, you must first unplug the two cables from the X-Bus connectors, the 50-pin SCSI cable, and the 4-pin power cable. After unplugging the cables, simply remove the four screws shown above and you can remove the Roadrunner board from the assembly. Roadrunner Installation (Early Models & Eagle 100 Upgrades) DSS-10517-00, Rev.
Eagle Series Computer Service Manual Page 17 6-32 PHILLIPS-HEAD SCREW In this configuration, the Roadrunner board is mounted on top of four standoffs which are attached directly to the screen on the bottom of the chassis. Roadrunner Installation (Late Model Eagle Computers) DSS-10517-00, Rev.
Page 18 Eagle Series Computer Service Manual UPGRADING ROADRUNNER ON-BOARD MEMORY The Roadrunner has one on-board SIMM (single inline memory module) expansion slot. SIMM memory is available in five sizes: 4, 8, 16, 32, and 64 megabytes. Installing Memory Special care must be taken when installing a SIMM module. The illustration below shows how the curve in the SIMM module must align with pin-1 on the SIMM connector. Insert the SIMM into the connector at a slight angle.
Eagle Series Computer Service Manual Page 19 PERIPHERAL MOUNTING For information on the AM-990 chassis version, consult the AM-990 SBC Service Manual, part number DSS-10524-00. Your Eagle computer cabinet can hold six half-height peripherals or three full-height 5.25” peripherals. Filler panels in the computer front panel can be removed to allow access to some of these peripherals.
Page 20 Eagle Series Computer Service Manual These two half-height 5.25" mounting positions support hard disk drives. Peripherals mounted in either of these locations cannot be accessed via the computer's front panel. These four half-height 5.25" mounting positions are designed for peripherals that use removeable media, like diskette and tape drives. A peripheral mounted in any of these four positions is accessible through a cutout in the computer's front panel.
Eagle Series Computer Service Manual Page 21 Eagle 100-500 Rear Panel Screws Refer to the following steps and illustration to unfasten the main electronics board from the standard Eagle rear panel. 1. Remove the five Phillips-head screws on the chassis rear panel where indicated in the illustration. These five screws hold the rear panel adapter plate to the chassis.
Page 22 Eagle Series Computer Service Manual Eagle 550 Rear Panel Screws Refer to the following steps and illustration to unfasten the main electronics board from the “Super Eagle” (Eagle 550) rear panel. 1. Remove the three Phillips-head screws where indicated in the illustration. The three screws hold the AM-319(-20) I/O mounting bracket to the chassis rear panel. 2.
Eagle Series Computer Service Manual Page 23 Side Mounting Bracket Removal - All Eagles Refer to the following steps and illustration to unfasten the main electronics board side mounting bracket from the Eagle chassis. This procedure is exactly the same for both the standard and Super Eagle chassis. 1. Remove the two Phillips-head screws that secure the main electronics board’s side mounting bracket to the chassis.
Page 24 Eagle Series Computer Service Manual 3. There are a ribbon cable and a number of small wires extending between the front panel and the display connector on the main electronics board. Do not disconnect any of these wires; they are long enough to allow you to lay the main electronics board assembly on your work surface without having to disconnect them. 4.
Eagle Series Computer Service Manual Page 25 DWB-00319-00 TO DWB-00172-00 X-BUS CABLING (for Rev. C00 and later of DWB-00319-00; for earlier revisions connect J5 to J5 and J6 to J6!) AM-319 A/D J5 J5 C/S C/S J6 J6 A/D AM-172 DWB-00319-00 TO DWB-00174-00 AND -02 X-BUS CABLING (for Rev.
