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           ISA Bus: Computer Compatibility: i386/i486-Based: J-Z           
                                                                           
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MICRON TECHNOLOGIES 386

  *CUSTOMER REPORTS* that current Above Boards and Matched Memory Classic
  boards are very compatible with this 80386-based computer.

  This computer is very similiar to Compaq 386 systems, and comes with 2
  megabytes on the system board.

  This system treats its memory much like the Compaq 386 systems. To set up
  the Intel memory card for extended memory, start the Intel memory card
  extended memory address at the 2meg address. The remaining extended memory
  on the Micron Technologies system board will allocate itself behind the
  Intel memory card automatically, in the same fashion as Compaq 386
  systems. It is not necessary to run the system setup program after the
  extended memory is installed, as this system is self-configuring.

MICRONICS 386 CACHE 5.0 MOTHERBOARD

  We have CUSTOMER REPORTS of incompatibility with Above Boards and Matched
  Memory Classic boards in 386 computers built around the Micronics CACHE
  5.0 motherboards.

  This is a Zero Wait state motherboard with no way to conform with the IBM
  Standard of One Wait State in the Data Bus. According to Micronics
  Technical Support the only way to add extended memory to this computer is
  on a proprietary Micronics daughterboard.

MITSUBISHI MP 3200 (386-16)

  *CUSTOMER REPORTS* of compatibility between these 80386-16 computers and
  current Above Boards and Matched Memory Classic boards.  These computers
  apparently operate a 12mhz data bus.  Set Setboard to 12MHz, (EMM will
  probably lock up when trying to load in this computer if the Above Board
  was set to operate in an 8MHz bus).

  Tech Notes:
  1 meg of memory on a plug-in system board
  2 proprietary 32 bit slots for Mitsubishi 4 meg memory add-in boards

  Symptom:       
       AB shows failures as extended memory in the second 512
       bank using 386 to the Max, same failures with several independent
       memory testing software packages. TESTAB and EMM both report no
       failures. Mitsubishi tech (per customer) says AB is incompatible.

  Solution:      
       customer discovered that the Mitsubishi system has a
       cache.  If the cache is enabled and has no chips inserted, the AB
       fails.  With the cache disabled, AB works fine.

NCR
NCR 916 SX

  *CUSTOMER REPORTS* that this 80386SX-based system is Compatible with
  current Above Boards and Matched Memory Classic boards as expanded memory.
  Has 1 Meg on the system board, (640k conventional and 384k of extended).

NCR PC920

  Compatible with current Above Boards and Matched Memory Classic boards,
  works as either extended or expanded memory.  Choose 6-8Mhz bus speed in
  Setboard.

  This is a 20Mhz 80386-based machine that comes with 2MB of 32-bit RAM.
  This is divided into 640k conventional, 128k used for BIOS cache, and
  1280k of extended.  It runs the bus at 8mhz.  Machine set-up is in ROM,
  accessible by hitting F1 during the boot process.  No NCR system board
  switches or jumpers need to be set to use Intel memory cards as extended
  memory.

NEC
NEC POWERMATE SX PLUS

  We have multiple customer reports of incompatibilities with Intel Memory
  Boards and this NEC system. We have even called NEC technical support to
  confirm this.

  Tech Notes: This is an NEC Powermate SX Plus, 386SX, 16MHz, 640K conv, 1Mb
  ext, 384K reserved for Shadow ROM.  NEC tech support says Powermate SX
  Plus and Powermate 286 Plus run 0 wait state bus in Turbo and standard
  speed, and Intel Memory Boards require the IBM Standard 1 wait state.

NEC BUSINESSMATE 386-16

  *CUSTOMER REPORTS* that current Above Boards and Matched Memory Classic
  boards work fine as Extended memory with the bus speed set at 10Mhz. As of
  yet we have no reports with an Intel memory card providing expanded memory
  in these systems.

NEC PORTABLE 386

  *CUSTOMER REPORTS* that current Above Boards and Matched Memory Classic
  boards work great in the NEC expansion box (referred to as the "Docking
  Station") for this system. This system operates an 8MHz bus.

  Manually copy EMM.sys in Config.DS file, because when this box is
  installed the system no longer looks for config.sys and autoexec.bat.  It
  uses config.ds and autoexec.ds. You must manually copy EMM, Quikmem, and
  Quikbuf to these files.

NEC POWERMATE 386

  *CUSTOMER REPORTS* of compatibility with current Above Boards and Matched
  Memory Classic boards in this Intel386dx-based system.

NEC PROSPEED 386

  This Intel80386-based portable has a "docking station" module to allow
  expansion boards to be installed.  Current Above Boards and Matched Memory
  Classic boards are compatible installed in the docking station as expanded
  memory.

  ***  B E W A R E  !!!  ***

  The computer uses two different configuration files.  CONFIG.SYS is only
  for devices that are used in the portable...if the expanded memory is
  installed in the docking station, the EMM line must be in a file called
  CONFIG.DS which gets executed instead of CONFIG.SYS when the docking
  station is sensed during boot-up.

PC LIMITED 386-16

  Customer reports of compatibility with current Above Boards and the
  Matched Memory Classic boards. There are also customer reports that the
  discontinued Above Board 286 &  PS/286 work in this system.  The expansion
  slots run at 12Mhz.

TANDY 4000

  Customer reports of compatibility with current Above Boards and the
  Matched Memory Classic boards in this is 80386-based computer. There is
  also one customer report of compatibility with the discontinued Above
  Board AT.

  This system has an 80287 socket for an 80287-8 math chip.  There is also a
  socket that would accept an Intel 80387DX, but the motherboard has no
  supporting logic or circuitry for it.  The socket will accept a WEITEK co-
  processor board.

TOSHIBA 5200

  Current Above Boards and Matched Memory Classic boards are marginally
  compatible with this 20MHz 80386-based computer. This computer operates an
  8Mhz data bus.

  Tech Notes:The computer supports EMM directly on the motherboard so
  SETBOARD and TESTAB will report a non-AB at one of our I/O addresses; this
  does NOT cause any functional problems.

  This is a 20Mhz 80386-based portable has one full-length 16-bit slot
  (which an Intel memory card will fit into), and one 1/2 length 8- bit slot
  (which an Above Board will NOT fit into).  The system set-up (accessed by
  typing TEST3) allows you to select SLOW, NORMAL or HIGH speed operation.
  SLOW is slow bus/slow CPU. NORMAL is slow bus/fast CPU.  HIGH is fast
  bus/fast CPU.

  EXTENDED:  Current Above Boards and Matched Memory Classic boards work as
  extended memory if the system is set to NORMAL or SLOW and the memory on
  the motherboard is configured to give a starting address of 2048.  The
  Intel memory cards fail as extended memory if the system is set to HIGH.

  EXPANDED:  Intel memory cards work as expanded memory at any system
  setting.

  An Above board piggy (daughter card) will NOT fit in this machine.

UNISYS 286

  *CUSTOMER REPORTS* of compatibility with current Above Boards and Matched
  Memory Classic.  Need to run SETBOARD for 10MHz bus speed.  EMM.SYS may
  lock the system on boot if the Above Board is not configured for a 10MHz
  bus speed.  This system may be very similar to the Sperry IT since Sperry
  and Burroughs combined to form Unisys.  Probably not compatible with the
  Above Board AT or PS/AT because of the faster bus speed.

UNISYS 386-16

  *CUSTOMER REPORTS* of compatibility with current Above Boards and Matched
  Memory Classic boards in these 16MHz 80386-based computers. Apparently the
  data bus is operated at 10MHz.

WYSE 386 16MHZ

  *CUSTOMER REPORTS* of Compatibility... with a twist. This system has 1 meg
  standard on the backplane board with room for another meg (using 256k
  DRAMs). In order for any add-in board to provide exTENDed memory this
  backplane board needs to be fully populated.

ZENITH 386

  *CUSTOMER REPORTS* that current Above Boards and Matched Memory Classic
  boards are compatible with this 80386-based computer. Also have reports
  that the discontinued Above Board 286 and PS/286 are compatible.

  Zenith 386/25 and 33 MHz systems handle caching in a way that confuses
  Setboard and it returns the error, "Cannot program EEPROM."  Disabling
  cache during setup fixes the problem.



End of file                 Intel FaxBack # 1022          December 2,1992
