FECO 3000 # 54

	FECO:	3000 # 54
	MODIFICATION No:	N/A
	PRODUCT:	S40
	SUB-ASSEMBLY	NCR3-3438-PROC (D) (166MHZ)
	ESTIMATED MAN HOURS	2
	CLASS OF CHANGE:	INFORMATIONAL
	REASON FOR CHANGE:	TO UPGRADE S40 SYSTEM TO A DYADIC 166MHZ PROCESSOR

Procedure

1) Ensure the kit contains 166mhz processor board, the latest flash diskette and the latest
    SCU diskette.

2) Ensure the customer has 2 verified filesaves and the on-site document is present and
    correct.

    Obtain a printout of LISTPRO, LISTPTR BU, T-STATUS and list details from
    :INIT-DISK. Check path to UV with !PWD AT TCL.

    Copy pool.free table and then shutdown the system.

3) Insert the customers original SCU diskette and reset the system.

    Note down the BIOS level (displayed on the screen following the reset) e.g.1.00.04.

    Also note the SCU version from AT&T S40 display when diskette booted e.g. version
    3.11 overlay 0.39.

4) if the versions displayed are earlier than those supplied with the upgrade kit, then the
    BIOS will need flashing and SCU updating in accordance with para.7

5) with SCU booted, use the arrow keys to move to step 3. Change configuration settings
. At the password prompt enter esc.

    Check all internal board settings agree with the on site document.

    Press esc, to exit and arrow to exit option and .

    (cr) once more to exit to a dos a prompt.

    Power the system off at this point.

    (tech serv ref 97/02)

6) to exchange processor: remove l/h side cover (4 screws at rear) and remove the
    retaining bar and 2 screws. Withdraw the old processor and install the new 166MHz
    processor.

    Refit the retaining bar and replace the cover.

    If SCU and BIOS levels recorded in step 3 are equal to, or later than those supplied in
    the kit (currently SCU version 3.32 overlay 1.20 and BIOS 1.00.07.bgo), then proceed to
    para 10).

    If either are earlier, then the SCU image will need updating and/or the BIOS will need
    flashing to the later revision, as detailed below.

7) to backup the existing BIOS image:

    Insert the new 1.00.07.bgo BIOS diskette in the floppy drive, and power on the system.

    The system will display the flash utility logo, and give a warning/description of the
    procedure. To perform flash update manually press q to exit to dos a: prompt.

    Flash memory update will be displayed.

    Use cursor keys to highlight "save flash memory area to a file"

    From "save flash area". Select "save system BIOS and user area"

    Display will now show "path/filename"

    From the cursor position, re enter the displayed line a:\*.bio

    To read a:\nnnn.bio where nnnn is a recongisable 4 digit representation at the
    current BIOS.

    E.g. for 1.00.04 enter a:\1004.bio

    When completed press .

    At prompt "image title", enter the filename again e.g. 1004.bio

    The system will now backup the existing BIOS image to the diskette. Note: if the
    system warns there is no space on the diskette, insert a formatted blank diskette and
    repeat procedure from "save flash memory to a file"

    The display will return to the main menu when completed.

8) with the new flash diskette in the floppy drive, use the cursor keys to highlight "update
    flash memory area from a file"

    From "update flash area" take "update system BIOS+user area"

    Press

    System will display "enter path/filename"

    Tab down to highlight the new BIOS filename (currently 1007bgo_.bio and press .

    once more to accept "continue with programming" and system will update with new
     BIOS>

9) to update SCU image and check settings:

    Remove BIOS diskette, insert new SCU diskette in the floppy drive.

    Reset system and immediately press f1 to enter system setup.

    Use cursor keys to highlight "floppy options"

    Check floppy set to 1.44mb/1.25mb 3.5"

    Esc to setup menu again and move to "boot options"

    Change 1st boot device to floppy

    Check 2nd boot device set to hard disk

    Press f10 to save+exit and to exit.

    System will reset and boot SCU floppy.

    Enter SC utility and take step 3 "change configuration settings" check all settings are as
    noted in para 5) above and when satisfied press esc. To exit.

    Arrow down to step 4 "save configuration" .

    When completed, arrow to step 6 "exit" .

    And press f10 to reboot system and remove SCU diskette.

10) boot system and check processors are online by typing # pinfo . In root.

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