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Page 6

AM-6000 Service Manual

Rev. A02

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:

 

Memory size select (JP4)

 

Enabling or disabling the supply of SCSI bus termination voltage (JP3)—default set at enabled.

The AM-176 board is shown in Figure 6 with all of its jumpers in their default positions. (The illustration
does not show all components on the board.)

P1

DISC

JP1

T2

ALPHA MICROSYSTEMS        AM-176-00  Rev C00

ETHERNET PORT

P4

P3

P2

P5

JP2

TO AM-301-10

PROGRAM

DO NOT USE

P6

TO AM-301-10

CACHE SIMM

LOW BANK 0

LOW BANK 1

HIGH BANK 0

HIGH BANK 1

J1

J2

J3

J4

J5

P8

SERIAL

P9

+12V

P7

+5V

JP3

FAN

JP10

JP9

JP8

JP6

33

25

18

32

XCLK

-

+

JP5

D1 D2 D3

TX

RX

CD

JP7

CDIS
MDIS

68060 CPU

WIDE

SCSI

NARROW

SCSI

MEMORY CONFIGURATION

SEE TABLE 2

TERM POWER

JP6

TO

AM-301-10

PIN 1

PIN 1

66

50

PIN 1

BANK 0   BANK 1

JP4

Figure 6: AM-176 Board Configuration

Содержание AM-6000

Страница 1: ...6 0 526 67 06 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 0 526 67 06 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 0 526 67 06 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 0 526 67 06 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 0 526 67 06 5 7 520 7 67 57 3 3 0 526 67 06 0 ...

Страница 2: ...mmended by the manufacturer Discard used batteries according to the manufacturer s instructions ATTENTION Il y a danger d explosion s il y a replacement incorrect de la batterie Remplacer uniquement avec une batterie du même type ou d un type recommandé par le constructeur Mettre au rébut les batteries usagées conformément aux instructions du fabricant For AM 6000 systems replace batteries with Pa...

Страница 3: ...MBO CHASSIS VERSIONS 18 Plastic Mounting Rails 19 X Bus Cable Routing 20 ADDITIONAL DOCUMENTATION 20 Table of Figures Figure 1 Deskside Chassis Top Cover Screws 1 Figure 2 Deskside Chassis Top Cover Removal 2 Figure 3 AM 990 Chassis Removal 3 Figure 4 Static Protection Wrist Strap 4 Figure 5 AM 319 20 Board Configuration 5 Figure 6 AM 176 Board Configuration 6 Figure 7 AM 319 20 Backup Battery Rem...

Страница 4: ...nted circuit board configuration options Installing memory Peripheral installation ACCESSING YOUR COMPUTER DESKSIDE CHASSIS VERSION When adding additional equipment or servicing your computer you will need to remove your computer s top cover The top cover is held in place with four Phillips head screws on the computer s rear panel To remove the top cover remove all four screws from the locations i...

Страница 5: ... components inside the computer To do so you will need to remove the computer s top cover and side panel To remove the top cover 1 Unlock the front door and swing it open 2 Behind the front door remove the two screws that connect the top cover to the chassis 3 Use the palm of your hand to firmly strike the rear corners of the top cover to slide it forward in order to release the locking tabs that ...

Страница 6: ...s forward it can be removed by lifting straight up 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 Before handling any computer hardware make su...

Страница 7: ...eed assistance Printed Circuit Board Configuration 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 AM 176 The...

Страница 8: ...ESET A CHANNEL B CHANNEL P3 P6 P2 P5 P4 P1 LPT1 LPT0 LPT2 LPT3 JP5 32 JP4 OSC ALPHA MICROSYSTEMS AM319 20 G G G J7 P9 FLOPPY P8 P7 ADDRESS DATA CONTROL STATUS DISCON JP6 JP5A OSC 16 U57 SUPER EAGLE SPARE SSD U73 REM RESET JP7 P10 U80 P11 P12 JP8 JP9 RUN DISK JP10 PWR AM 219 MC1258 RJ 45 SERIAL PORTS ETHERNET PORTS TPI AUI ACTIVITY LEDS BUS CLOCK DO NOT CHANGE SIO EXP X BUS 990 DISPLAY PANEL EAGLE ...

Страница 9: ...own in Figure 6 with all of its jumpers in their default positions The illustration does not show all components on the board P1 DISC JP1 T2 ALPHA MICROSYSTEMS AM 176 00 Rev C00 ETHERNET PORT P4 P3 P2 P5 JP2 TO AM 301 10 PROGRAM DO NOT USE P6 TO AM 301 10 CACHE SIMM LOW BANK 0 LOW BANK 1 HIGH BANK 0 HIGH BANK 1 J1 J2 J3 J4 J5 P8 SERIAL P9 12V P7 5V JP3 FAN JP10 JP9 JP8 JP6 33 25 18 32 XCLK JP5 D1 ...

Страница 10: ...319 20 board uses two 3 volt lithium batteries BR 1225 to provide power to its time date circuit The batteries are no bigger than a dime 1 2 cm and are secured side by side in a plastic holder at location U80 as shown in Figure 5 The batteries need to be replaced when the status panel displays B1 or B0 You must replace both batteries at the same time For battery replacement please follow these ste...

Страница 11: ...in the boot routine data stored in its on board CMOS chip Therefore when you remove and replace the batteries your CMOS settings will be lost After you install the new batteries and turn system power on you need to access the CMOS Configuration menu and restore your settings Refer to the AM 6000 Owner s Manual for detailed instructions If you do not use the CMOS configuration menu to restore your ...

Страница 12: ...The AM 176 has four on board SIMM single inline memory module expansion slots which support 60ns DRAMs It also has one on board cache SIMM Should you want to replace or upgrade any of these 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 ...

Страница 13: ...M 176 board 1 Align pin 1 on the external cache SIMM module with pin 1 on connector at J1 Pin 1 on the SIMM module is on the notched end of the module see Figure 9 below 2 Insert the cache SIMM module into the J1 connector at a slight angle 3 Rotate into the upright position RETAINER CLIP RETAINER CLIP MAKE SURE THIS CURVE IN THE SIMM CARD ALIGNS WITH PIN 1 IN THE AM 176 SIMM CONNECTOR PIN 1 INDIC...

Страница 14: ...B 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 are possible 128MB memory SIMMs are supported only if your AM 176 board is revision B06 or C04 or later For this amount of memory Install these memory SIMMs 4MB 8MB 16MB 32MB 64MB 128MB 8MB 2 16MB 4 16MB 2 24...

Страница 15: ...5 Insert the SIMM module into the connector at a slight angle 6 Rotate into the upright position The SIMM will engage the retainer clips and click into position locking the SIMM in place 7 Repeat steps 4 through 6 for the second SIMM at connector J4 If you are using a second pair of SIMMs insert them into J3 and J5 using the same procedure Setting Memory Jumpers After installing the SIMMs set the ...

Страница 16: ...64MB X O X X O X 2 x 32MB 64MB X O O O O O 2 x 32MB 2 x 4MB 72MB X O O X X X 2 x 32MB 2 x 8MB 80MB X O O X X O 2 x 32MB 2 x 16MB 96MB X O O X O X 4 x 32MB 128MB X O O X O O 2 x 64MB 128MB O X X O O O 2 x 64MB 2 x 4MB 136MB O X X X X X 2 x 64MB 2 x 8MB 144MB O X X X X O 2 x 64MB 2 x 16MB 160MB O X X X O X 2 x 64MB 2 x 32MB 192MB O X X X O O 4 x 64MB 256MB O X X O X X 2 x 128MB 256MB O X O O O O 2 x...

Страница 17: ...height peripherals two of them can be accessed through the front panel 3 5 diskette or hard disk drives mounted in 5 25 mounting brackets are also compatible with your computer The following figure shows all six peripheral mounting positions in the deskside chassis For detailed instructions on configuring a particular device see the installation instructions shipped with that device 1 2 3 4 5 6 PE...

Страница 18: ...ssis To install peripherals in mounting positions 3 4 5 and 6 you will need to remove the AM 319 20 board and its mounting bracket from the chassis At first glance this might seem difficult but if you follow the procedure outlined below it will make the task much easier 1 Remove the three Phillips head screws where indicated in Figure 12 The three screws hold the AM 319 20 I O mounting bracket to ...

Страница 19: ...st make sure the mounting bracket is properly positioned over both tabs if it s not it will be impossible to reinstall the two screws that hold the assembly in place POWER SUPPLY 1 2 3 4 5 6 AM 319 20 BOARD MOUNTING BRACKET To remove theAM 319 20 board mounting assembly you must remove these two screws Figure 13 Deskside Chassis AM 319 20 Mounting Bracket Removal 2 To remove the AM 319 20 and its ...

Страница 20: ... bracket is an integral part of the chassis assembly You may find that with the bracket removed the chassis may shift slightly either forward or backward To reinstall the AM 319 20 mounting assembly you can realign the chassis by placing one hand on the top of the chassis and applying pressure either forward of backward With the chassis properly aligned the board and its mounting assembly will sli...

Страница 21: ...omputer with the slots numbered 1 through 12 SW1 J1 J2 J8 J7 J18 J19 J10 BATTERY 1 1 1 CPU W1 W8 1 2 3 4 5 6 7 8 9 10 11 12 PERIPHERAL MOUNTING AREA Figure 14 AM 990 Peripheral Mounting Area Slots 3 4 5 and 6 are used for installing peripherals that will be accessed through the opening in the computer door This includes devices that use removable media like diskette drives and magnetic tape drives...

Страница 22: ...652 00 Use the top holes for mounting full height devices Use the bottom holes for mounting half height devices SHORT END For Tandberg 1 4 streaming tape drives and all hard disk drives mount the rails with the short end pointing toward the rear of the computer LONG END For DAT tape drives mount the rails with the long end pointing toward the rear of the computer cabinet Figure 15 AM 990 Periphera...

Страница 23: ...aged The X bus cables must be connected as follows C S bus cable into P6 on the AM 176 board and P8 on the AM 319 20 board A D bus cable into P4 on the AM 176 board and P7 on the AM 319 20 board ADDITIONAL DOCUMENTATION Each peripheral device sold by Alpha Micro is covered by its own set of installation instructions The installation instructions include information on jumper settings termination a...

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