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Alpha Microsystems AM-6000 Service Manual

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For Authorized
Service Personnel Only:
Service Manual
AM-6000
DSS-10579-00, A02

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Summary of Contents for Alpha Microsystems AM-6000

  • Page 1 0,&526<67(06 0,&526<67(06 5,*+7 )520 7+( 67$57 For Authorized $/3+$ $/3+$ 0,&526<67(06 0,&526<67(06 Service Personnel Only: 5,*+7 )520 7+( 67$57 $/3+$ $/3+$ AM-6000 0,&526<67(06 0,&526<67(06 Service Manual 5,*+7 )520 7+( 67$57 $/3+$ $/3+$ 0,&526<67(06 0,&526<67(06 5,*+7 )520 7+( 67$57 $/3+$ $/3+$ 0,&526<67(06...
  • Page 2 Mettre au rébut les batteries usagées conformément aux instructions du fabricant. For AM-6000 systems, replace batteries with Panasonic or Ray-O-Vac BR1225 only. Use of another battery may present a risk of fire or explosion.

  • Page 3: Table Of Contents

    Printed Circuit Board Configuration..................4 Remote Reset Capability......................7 Replacing the Time and Date Battery ...................7 SSD and PROM Chip Removal ...................8 UPGRADING AM-6000 ON-BOARD MEMORY..............9 Removing Memory SIMMs....................9 Installing the External Cache SIMM................... 10 Installing Memory SIMMs ....................11 Setting Memory Jumpers....................12 PERIPHERAL MOUNTING (DESKSIDE CHASSIS VERSIONS) ........

  • Page 4: Introduction

    AM-6000 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. This document describes the AM-6000 computer package in both the deskside and the AM-990 chassis. It covers the following procedures: •...

  • Page 5: Accessing Your Computer (Am-990 And Am-990 Jumbo Chassis)

    Page 2 AM-6000 Service Manual Figure 2: Deskside Chassis Top Cover Removal ACCESSING YOUR COMPUTER (AM-990 AND AM-990 JUMBO CHASSIS) When adding additional equipment or servicing your computer, you will have to gain access to the components inside the computer. To do so, you will need to remove the computer's top cover and side panel.

  • Page 6: Electronic Equipment Handling Precautions

    AM-6000 Service Manual Page 3 LOCKING TABS TO REMOVE THE SIDE COVER, REMOVE THESE FOUR SCREWS. TO REMOVE THE TOP COVER, REMOVE THESE TWO SCREWS. Figure 3: AM-990 Chassis Removal 4. Once the top cover slides forward, pull straight up to remove it.

  • Page 7: Hardware Configurable Options

    The next few sections contain configuration information for the following boards: AM-319-20 The AM-319-20 system board is used with the AM-176 board in the AM-6000. The AM-319-20 board supports all the I/O ports used to communicate with printers, terminals, etc. The board also contains your computer's SSD chip and other I/O related circuitry.

  • Page 8: Figure 5: Am-319-20 Board Configuration

    AM-6000 Service Manual Page 5 AM-319-20 Board Configuration Figure 5 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 9: Figure 6: Am-176 Board Configuration

    Page 6 AM-6000 Service Manual AM-176 Board Configuration Your AM-176 board has been factory tested and shipped with its configuration jumpers set in their standard default positions. Only two areas on the board may require you to change jumper settings: •...

  • Page 10: Remote Reset Capability

    AM-6000 Service Manual Page 7 Remote Reset Capability The AM-319-20 board has an option to enable the computer's remote hardware reset. To enable remote reset, you must do two things: 1. Install the JP7 jumper, which is shown in the AM-319-20 illustration (Figure 5). The factory default is not installed.

  • Page 11: Ssd And Prom Chip Removal

    SSD and PROM Chip Removal The type of socket used for the boot PROM and SSD chips in your AM-6000 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 8.

  • Page 12: Upgrading Am-6000 On-Board Memory

    SIMMs, first remove the existing SIMMs, then install new ones, following the procedures below. If you change the amount of memory in your AM-6000, you must also reset the JP4 jumpers (memory size select) according to the settings later in this chapter.

  • Page 13: Installing The External Cache Simm

    Page 10 AM-6000 Service Manual Installing the External Cache SIMM The external cache SIMM must only be installed in the J1 slot, labeled CACHE SIMM. Never install memory expansion SIMMs in J1, or the cache SIMM at any other location.

  • Page 14: Installing Memory Simms

    SIMMs. Installing Memory SIMMs The AM-6000 supports a minimum of 8MB and a maximum of 512MB of main memory. Memory is implemented as paired SIMM modules (of equal capacity) of 4MB, 8MB, 16MB, 32MB, 64MB, or 128MB each. Use 60ns SIMMs only; 70ns SIMMs will not work. The following table shows the allowable memory SIMM configurations (above 256MB, only some configurations are shown—others...

  • Page 15: Setting Memory Jumpers

    Page 12 AM-6000 Service Manual To install memory expansion SIMMs on the AM-176 board, use this procedure: 1. Memory SIMMs must be installed in pairs of equal capacity. 2. Always install the SIMMs of largest capacity first. 3. Always install the first pair of SIMM modules at Bank0. Use Bank1 for a second pair of SIMM modules.
  • Page 16 AM-6000 Service Manual Page 13 Memory Module Size Total Bank0 Bank1 Combinations: Memory Settings Settings Position: Position: 2 x 4MB 4 x 4MB 16MB 2 x 8 MB 16 MB 2 x 8MB + 2 x 4MB 24MB 4 x 8MB...

  • Page 17: Peripheral Mounting (Deskside Chassis Versions)

    Page 14 AM-6000 Service Manual PERIPHERAL MOUNTING (DESKSIDE CHASSIS VERSIONS) Your deskside 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 18: Figure 12:Deskside Chassis Rear Panel Screw Locations

    AM-6000 Service Manual Page 15 A peripheral is installed in the drive mounting bracket using four Phillips-head screws. To install the peripheral mounting screws, you need access to both sides of the peripheral mounting bracket. On one side of the cabinet, all six of the mounting positions are easily accessible. However, on the other side of the cabinet, the AM-319-20 board and its mounting bracket block access to all but the top two mounting positions.

  • Page 19: Side Mounting Bracket Removal

    Page 16 AM-6000 Service Manual Side Mounting Bracket Removal Next, you need to unfasten the AM-319-20 side mounting bracket from the deskside chassis. To do so: 1. Remove the two Phillips head screws that secure the AM-319-20's side mounting bracket to the chassis.

  • Page 20: X-Bus Cable Routing

    AM-6000 Service Manual Page 17 3. There are a ribbon cable and a number of small wires extending between the front panel and the display connector on the AM-319-20. Do not disconnect any of these wires; the wires are long enough to allow you to lay down the AM-319-20 assembly on your work surface without having to disconnect them.

  • Page 21: Peripheral Mounting (Am-990 And Jumbo Chassis Versions)

    Page 18 AM-6000 Service Manual PERIPHERAL MOUNTING (AM-990 AND JUMBO CHASSIS VERSIONS) Mounting peripheral devices in your computer is simply a matter of attaching plastic rails to the side of the peripheral and sliding the device into its mounting position. The AM-990 chassis has mounting locations for 12 half-height (or six full-height) 5.25"...

  • Page 22: Plastic Mounting Rails

    AM-6000 Service Manual Page 19 Plastic Mounting Rails The plastic mounting rails are the key to installing peripheral devices in your computer. Two rails are required to mount a peripheral device. The rails (DWF-20652-00) are universal; they can be mounted on either the right or left hand side of the peripheral.

  • Page 23: X-Bus Cable Routing

    Page 20 AM-6000 Service Manual X-Bus Cable Routing You do not need to move either the AM-176 or the AM-319-20 board to mount new peripherals, which means you won’t need to disconnect the X-Bus cables. However, if an X-Bus cable should come unplugged from either the AM-176 or the AM-319-20 board it is extremely important that the cables are plugged back in correctly.

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