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           Classic Above Board Emulator Board Compatibility              
                                                                         
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   AS400 (IBM MINICOMPUTER) & 5250 SW

      AS400 emulation software/system can use IBM Enhanced 5250 adapter
      board and others. Try adding the following parameters to EMM and 5250
      line as below:

      In AT's, add EXPF=D000 to EMM.SYS; in PC's or XT's try EXPF=E000.
      For the batch software that loads emulation software, add the /MC
      parameter: E5250AH.COM /MC

      The MC parameter forces the emulation to use CC000 address, which
      could conflict if a Token Ring adapter is being used as the emulation
      platform. We currently don't know what other /M parameters are
      available.

   AST 3270

      *Field Report* of compatibility with Above Boards.

      Tech Notes:  Board uses 8 or 16k Shared RAM, not sure how it's set.
      Memory addresses are set by a parameter on one of their drivers. It's
      5 digits long: first digit - A B C D or E, second digit - 0 2 4 6 8 a
      c e, last 3 are 0's.

   AST 5251-11 EMULATOR ADAPTER

      *Field Report* of compatibility with Above Boards.

      Tech Notes: Default I/O address for this board is 258.  Set AB to an
      alternate address for compatibility. Same functions as the IBM 5250
      boards.Memory addresses:  16K addressable on 16K boundaries from
      8000h (512K) to F000h.  Use C800h on 5251 board & EXPF=CC00 on EMM
      line.

   ATTACHMATE 3270 EMULATOR BOARD MODEL II

      *FIELD REPORTS* of compatibility with current Above Boards. This 3270
      emulator board apparently offers the same functions as IBM 3278/79
      board.

      Tech Notes: One field report of incompatibility with AB/PS's
      CLOCK.SYS.  The board functions correctly when CLOCK.SYS is not
      invoked, so it should be compatible with all other discontinued ABs.

      Memory addresses: 64K ROM starting at A0000, B0000, C0000, or D0000

   BLUE LYNX 5250 EMULATOR BOARD

      *FIELD REPORTS* of compatibility with Above Boards.
      The reserved memory address of this board defaults to C8000 and is
      configured with switches.  If using EMM.SYS, configure the Blue Lynx
      board for C8000 and use EXPF=D000 on the EMM.SYS line.

   FORTE EMULATOR BOARD

      *FIELD REPORTS* of compatibility with current Above Boards. This
      emulation board seems to offer the same functions as an IBM 3278/79
      board.

      Tech Notes: we don't know the reserved memory addresses available for
      this board at this time.

   IBM 3278/79 EMULATOR ADAPTER

      Allows a PC or AT to act as a IBM 3278 or 3279 terminal and link to
      an IBM mainframe.  A control program which acts as a shell around DOS
      is needed to use this board.

      It is compatible with all ABs.  When used with the AB/AT, AB PS/AT,
      or AB 286,  the user must use the "NE" parameter in the CONFIG.SYS,
      eg. DEVICE=EMM.SYS AT x000 2x8 NE    (the "NE" parameter must be
      added manully , INSTALL does not add it.) WARNING!!!! USING THE NE
      PARAMETER CAN DAMAGE THE DATA ON THE HARD DISK IF EXTENDED MEMORY
      EXISTS ON THE AB!!!!!

      (If the caller does not have version 4.0 or greater of the AB
      software, they will need EMM.SYS version 3.30 or higher and use the
      "e" parameter in CONFIG.SYS, eg. DEVICE=EMM.SYS Mx Iz E     (The "e"
      parameter must be added manually, SETUP does not add it.)

      When troubleshooting, be sure to get the control program version
      number/

      Using QUIKBUF:  A Prtsc will not work when in the emulation mode
      because of the control program's shell around DOS.  QUIKBUF should be
      loaded in AUTOEXEC before the control program for all CP versions <
      3.0.

      Using TESTAB:  The control program's presence will disrupt TESTAB's
      operation.  If possible, the emulator h/w and s/w should be removed
      prior to running TESTAB.

      Memory addresses:   Uses approximately 8k at CE000

   IBM 5250 EMULATOR ADAPTER (NOT ENHANCED)

      If system locks up when switching from an emulation session to a DOS
      session, try changing EMM memory address parameter.  One customer
      found that the "EXPF=D000" fixed the problem on his AB Plus.

      If getting the message "No room in PC address space for 5250 RAM"
      Try adding the RD parameter on the EMM.SYS device driver line.
      Apparently the 5250 software tries to set itself up in specific
      ranges in conventional memory. We've had customers report that adding
      the RD parameter allowed everything to work. On the other hand, we've
      also heard from some customers who started out with the RD parameter
      and then got this message, they pulled the RD parameter and
      everything worked fine.

      Recommend NOT using Quikbuf with the emulator.  QUIKBUF should be
      added after the emulator program in AUTOEXEC.BAT.  QUIKBUF cannot be
      used to buffer a printer which has been assigned as System 3x printer
      emulation.  In some configurations, QUIKBUF may work only with the
      Pop-up menu disabled, in others it will not work at all and should be
      removed. Memory addressing: ??

      Allows a PC or AT to act as a terminal to an IBM System 34, 36, or 38
      minicomputer. Requires use of an emulator program, (be sure to get
      the s/w version number when troubleshooting).

   IBM ENHANCED 5250 EMULATOR ADAPTER

      *FIELD REPORTS* of compatibility with Above Boards.

      Tech Notes: This version of the hardware, when used with s/w versions
      lower than 2.1, has an incompatibility with ANY conventional memory
      between 512k and 640k WHEN AN EGA CARD IS INSTALLED.  There is a
      patch listed on pg. A-3 of the 5250 users guide, but it is not
      guaranteed by IBM.

      S/W versions 2.1 and 2.2 correct the EGA-Conventional memory problem.

      If system locks up when switching from an emulation session to a DOS
      session, try changing EMM memory address parameters.  One customer
      found that "EXPF=D000" fixed the problem on his AB Plus.

      Recommend NOT using Quikbuf with the emulator.  QUIKBUF should be
      added after the emulator program in AUTOEXEC.BAT.  QUIKBUF cannot be
      used to buffer a printer which has been assigned as System 3x printer
      emulation.  In some configurations, QUIKBUF may work only with the
      Pop-up menu disabled, in others it will not work at all and should be
      removed. Memory addressing: ?? I/O default:  271h, switches 1-6 allow
      selection of any of 240h-27Fh.

   EMERALD 3X TWIN EMULATION BOARD

      *Field Report* of compatibility with current Above Boards.

      Tech Notes: The Emerald 3X Twin has a movable IRQ and IO address (via
      jumpers), but does not use any memory above 640K.

   IDEA ASSOCIATES 5251 EMULATOR (IDEACOMM)

      *Field Reports* of compatibility with the Above Boards.

      Tech Notes: There is ram on the board, 16Kb in size, mappable on 16k
      boundaries from C000 to EC00, and is software configurable.

   IRMA EMULATOR BOARD

      We have FIELD REPORTS of compatibility with all ABs.

      Offers same functions as IBM 3278/79 board.

      I/O Address: 248
      Memory addresses:  ??????

   ITT COURIER 3278/79 EMULATOR BOARD

      *FIELD REPORTS* of compatibility with Above Boards in SOME
      environments. If the AB is set up to provide extended, conventional,
      or a combination of extended or conventional everything will be fine.

      If the AB is needed to provide expanded memory, there may be a
      reserved memory conflict. This emulator board uses a 64K block of
      addresses, based at either D0000h or E0000h.  If an EGA or VGA is
      present in an AT-type system, the AB cannot be used to provide
      expanded memory.  If there isn't an EGA or VGA in that system, then
      set the AB for C0000h. In PC-type systems set the expanded memory
      page frame to start at E0000h regardless if there's an EGA or VGA
      present.

   LEE DATA 3270 EMULATOR

      *FIELD REPORTS* of complete compatibility with Above Boards providing
      conventional or extended memory.  When the Above Board is providing
      expanded memory there is a potentional reserved memory conflict since
      this board has a ROM from D000 - DFFF that cannot be changed. In
      80286-based computers that have an EGA or VGA adapter there will be
      no room for the expanded memory page frame in reserved memory.

   MICROPLUS 3278 EMULATOR BOARD

      We have MIXED FIELD REPORTS on compatibility with Above Boards and
      this board. This emulator apparently offers the same functions as the
      IBM 3278/79 board. Apparently it is compatible with ABs providing
      conventional or extended memory, but could run into a conflict with
      an AB providing expanded memory.

      We have a field report of compatibility with an AB providing expanded
      memory in a PC system using the DC000-EBFFFh range for the expanded
      memory page frame. Another field report cites unresolvable reserved
      memory conflicts in an AT system. We don't know what reserved memory
      addresses this emulator board uses or if the addresses can be moved.

   PDI508 ARCNET INTERFACE (PURE DATA LTD)

      Customer Reports of compatibility with Above Boards and the Matched
      Memory Classic. Intel memory boards providing conventional or
      extended memory have no conflicts with this board, however if an
      Intel memory board is providing expanded memory there are some
      reserved memory issues to be aware of.

      For instance, if the customer had an EGA or VGA board, the PDi508
      board, and wanted an Above Board to provide expanded memory, there
      wouldn't be enough reserved memory address space for all three
      boards.

      Pure Data Ltd. has a work-around for the EGA, expanded memory, and
      their Arcnet board in their product addendum bulletin #6300001000 of
      May 15, 1987.

      Pure Data Ltd. boards are software or switch configurable. The
      software configurable models are the PDI516+ and the PDI508+. The
      516+ board is configured by running the program CFGI516. The 508+
      board is configured by running the program CFGI508. Alternate address
      is CC00 by running these programs.

      Models PDI507 and PDI508 are switch configurable. Contact Pure Data
      for more information, (Pure Data can be contacted from within the
      United States at ph: 416-731-6444).

   QUADRAM MAINLINK EMULATION

      * FIELD REPORT *   Compatible with AB PLUS EMS or EXTENDED memory.

      This board has a nonconfigurable "Reserved Buffer" area at CE00 -
      CFFF.  8K ROM defaults to D000 but is configurable.  Use CC00 for
      MAINLINK ROM and D000 for EMM to avoid conflict with other hardware.

      MAINLINK includes MLTEST which checks for memory, I/O or IRQ
      conflicts.  It sees the first EMS 16k page but not the subsequent
      pages.

      Switches 4-8 on SW1 (Mainlink board) determine the ROM address.
      Switches 1 - 3 should probably not be adjusted.

      Please note that OFF = OPEN = UP.

      1-Unused (Always OFF), 2-OFF=AT (ON=?), 3-ON=PROM onboard (OFF=?)
        4    5    6    7    8     Address
        ON   ON   ON   OFF  ON    D000  (default)
        ON   OFF  OFF  ON   ON    CC00
        ON   ON   OFF  ON   ON    C800
        ON   OFF  ON   ON   ON    C400
        ON   OFF  OFF  OFF  ON    C000

   SYSTEM 36 LOCAL AREA ATTACHMENT ADAPTER

      FIELD REPORT that this adapter is NOT compatible with Above Boards
      providing conventional memory in an IBM AT. Apparently this adapter
      is looking for an IBM AT with 512k on the motherboard ONLY! It
      doesn't seem to allow the computer to finish booting if it finds a
      board that can provide memory.

   WANG W-LOCK EMULATION BOARD

      *FIELD REPORTS* of compatibility with Above Boards.

      Tech Notes: We have had reports that some Wang boards use D0000-DF000
      and cannot be changed. If an Above Board were asked to provide
      expanded memory in an 80286-based computer with an EGA or VGA display
      adapter there would not be enough reserved memory space for the
      expanded memory manager to load.  Other reports indicate that
      revision 2.5 or later of the Wang emulation software will allow Wang
      boards to use E0000-EF000.



End of file                 Intel FaxBack # 1330          October 2,1992
