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Alpha Microsystems Eagle 250 Service Manual

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For Authorized
Service Personnel Only:
Service Manual
Eagle 250
DSM-00223-01

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Summary of Contents for Alpha Microsystems Eagle 250

  • Page 1 5,*+7 )520 7+( 67$57 $/3+$ $/3+$ For Authorized 0,&526<67(06 0,&526<67(06 Service Personnel Only: 5,*+7 )520 7+( 67$57 $/3+$ $/3+$ 0,&526<67(06 0,&526<67(06 Eagle 250 5,*+7 )520 7+( 67$57 $/3+$ $/3+$ Service Manual 0,&526<67(06 0,&526<67(06 5,*+7 )520 7+( 67$57 $/3+$ $/3+$ 0,&526<67(06 0,&526<67(06...
  • Page 2 CPU board; its identification number is printed on the SSD itself.) Software vendors may ask you for the SSD number if they are customizing software to run only on your computer. This document may contain references to products covered under the following U.S. Patent Number(s): 4,530,048 ALPHA MICROSYSTEMS 2722 S. Fairview Street Santa Ana, CA 92704...

  • Page 3: Table Of Contents

    Front Panel Display Wires for Upgrades..................11 UPGRADING EAGLE 250 ON-BOARD MEMORY ................ 11 Removing Memory SIMMs ......................12 Installing Memory.......................... 12 INSTALLING I/O BOARDS (FULL EAGLE 250 CONFIGURATION ONLY)........ 14 PERIPHERAL MOUNTING......................15 Additional Documentation ......................17 Table of Figures Figure 1: Chassis Top Cover Screws....................

  • Page 4: Introduction

    Eagle 250 component replacement or upgrade without this manual. • Upgrade Instructions: Eagle 100/200/300 to Eagle 250, PDI-00138-15: detailed instructions for upgrading any of these computers with the AM-138 board to create an Eagle 250 computer. All of these manuals are available on-line at our Web site, www.amos-online.com.

  • Page 5: Figure 1: Chassis Top Cover Screws

    Page 2 Eagle 250 Service Manual TOP COVER SCREWS SCSI Figure 1: Chassis Top Cover Screws Figure 2: Chassis Top Cover Removal Rev. 01...

  • Page 6: Electronic Equipment Handling Precautions

    Eagle 250 Service Manual Page 3 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 can store an electrical charge that can damage or destroy unprotected electronic components.

  • Page 7: Printed Circuit Board Configuration

    Page 4 Eagle 250 Service Manual Printed Circuit Board Configuration The AM-138 board is shown in Figure 4. Your board has been factory tested and shipped with its configuration jumpers set in their standard default positions. There are only two areas on the board which may require you to change jumper settings: •...

  • Page 8: Figure 4: Am-138-10 Board

    Eagle 250 Service Manual Page 5 Remote reset jumper (JP1) On-board Batteries go serial ports here. (full Eagle 250 only) Wide SCSI connector Narrow SCSI Serial I/O connector expansion slots (Eagle 250 full configuration only) Memory jumpers P8: Remote reset adapter...

  • Page 9: Am-138 Board Jumpers

    Page 6 Eagle 250 Service Manual AM-138 Board Jumpers Jumper Default Number Jumper Name Setting Notes RR-EN When IN, enables remote reset through serial port 0 (this is not supported through AM-90 card); when out, allows remote reset cable attachment at P8. See page 8.

  • Page 10: Am-138 Board Connectors

    P7. Ports 0 - 3 40-pin First four on-board ports Ports 4 - 7 40-pin Second four on-board ports (full Eagle 250 only) Power Molex For +5V, +12V, -12V and GND Power Molex For +5V and GND...

  • Page 11: Remote Reset Capability

    Page 8 Eagle 250 Service Manual Remote Reset Capability The AM-138 board has an option to enable remote hardware reset, either through serial port 0, or by using the Remote Reset Adapter, PDB-10323-00. You cannot use remote reset through port 0 if port 0 uses an AM-90 card for its back panel connection;...

  • Page 12: Ssd And Prom Chip Removal

    SSD and PROM Chip Removal The type of socket used for the boot PROM and SSD chips in your Eagle 250 requires a special tool for chip removal. If you ever need to remove and replace either of these chips, be sure to use the correct tool, as shown in Figure 6.

  • Page 13: Am-966-10 Connections

    Figure 6: SSD Chip Removal Tools AM-966-10 CONNECTIONS The Eagle 250 uses the AM-966-10 front panel display board, which connects to the AM-138. In most cases, you should not need to connect any wires to or disconnect any wires from the AM-966. However, if any of your front panel display lights stop working, or if one or more wires come loose from the AM- 966, you can refer to the picture and list below to check and, if necessary, remake any connections.

  • Page 14: Front Panel Display Wires For Upgrades

    Front Panel Display Wires for Upgrades Computers which were upgraded to an Eagle 250 from older Eagle computers may not use the AM-966- 10. If not, the 20-pin connector from the front panel attaches at P10, and additional front panel wires...

  • Page 15: Removing Memory Simms

    3. Lift the SIMM out of the connector Installing Memory The Eagle 250 supports from 4MB to 256MB of main memory: either one or two memory SIMMs of 4MB, 8MB, 16MB, 32MB, 64MB, or 128MB. Use 60ns SIMMs only; 70ns SIMMs will not work.

  • Page 16: Figure 8: Am-138-10 Simm Module Installation

    Eagle 250 Service Manual Page 13 MAKE SURE THIS CURVE IN THE SIMM CARD ALIGNS WITH PIN-1 IN THE SIMM CONNECTOR. SIMM (SINGLE INLINE MEMORY MODULE) RETAINER CLIP RETAINER CLIP SIMM CONNECTOR PIN-1 INDICATOR Figure 8: AM-138 SIMM Module Installation...

  • Page 17: Installing I/O Boards (Full Eagle 250 Configuration Only)

    I/O boards containing additional serial ports plug into the connectors at J7, J8, and J9 on the AM-138. As discussed in the Eagle 250 Installation and Technical Manual, you should add boards starting with J7 and working up to J9. For detailed installation instructions for any serial I/O board, please refer to the...

  • Page 18: Peripheral Mounting

    PERIPHERAL MOUNTING Your Eagle 250 computer can hold six half-height peripherals, in three 3.5” and three 5.25” mounting bays. One of the 3.5” bays and all of the 5.25” bays are accessible through the computer’s front panel after you remove the appropriate filler panels.

  • Page 19: Figure 10: Peripheral Bay Positions

    3.5" device in a 5.25” drive bay. Figure 10: Peripheral Bay Positions The following paragraphs give general instructions for mounting peripherals in the Eagle 250 cabinet. For detailed instructions on configuring a particular device, see the installation instructions shipped with that device.

  • Page 20: Additional Documentation

    Eagle 250 Service Manual Page 17 1. Since the AM-138 is attached to the panel, you need to detach it from the computer’s back panel before removing the mounting panel. Remove the screws near the UPS status port and parallel port on the back panel.

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