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MEMO1420.TXT
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1992-06-24
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╔═════════════════════════════════════════════════════════════════════════╗
║ ║
║ Classic Above Board Accelerator Board Compatibility: A-K ║
║ ║
╚═════════════════════════════════════════════════════════════════════════╝
INBOARD 386
Compatible with current Above Boards and Matched Memory Classic as well
as the discontinued Above Board 286, PS/286, AT, and PS/AT.
Tech Notes: If you want to use an Intel classic bus memory board with
IEMM386, ILIM386, or a 386 control program such as QEMM or 386MAX, you
must configure the memory board for EXTENDED memory. You cannot use
IEMM386, ILIM386, or EMM together. You will need to choose one or the
other. For expanded memory, you must have EMM Ver. 3.5.or higher.
Do not run SETUPAT, TESTAB, or INSTALL with IEMM386 or ILIM386
installed.
If an Above Board AT is set up to use 64K chips to backfill
conventional memory, then these chips must be replaced with 256K chips
if the InBoard 386 is used to supply conventional memory from 256K-
640K. Leaving these chips in will cause EMM to return Msg. 7: Some of
the memory is not working.
INBOARD 386/PC
Compatible with Current Above Boards and Matched Memory Classic as well
as the discontinued Above Board 286, PS 286, PC, & PS/PC: IF the
Above Board or Matched Memory Classic is supplying ONLY EXPANDED
memory, AND IF the InBoard 386/PC is NOT trying to supply any EXPANDED
memory, (you can NOT have more then one expanded memory manager in any
computer system at one time).
Since the InBoard 386/PC supplies all of its own conventional memory,
no memory board can supply conventional memory in a system with an
InBoard PC.
To get more EXTENDED memory in a system with an InBoard PC, you must
use the InBoard PC Piggy Back Option. No memory board, (Above Board
and Matched Memory Classic included), can provide EXTENDED memory in a
computer that wasn't designed to accommodate extended memory on its
data bus.
GENERAL INFORMATION
Some accelerator boards contain on board RAM, which must not conflict
with RAM on other memory boards. Any memory boards with conventional
memory that conflicts with memory on the accelerator board should be
removed or have the conflicting memory disabled.
Some turbo boards with coprocessor sockets require the motherboard
coprocessor socket to be "plugged" with a dummy chip when a coprocessor
is used on the turbo board.
In 8088-based systems, may get error "unable to program eeprom" with
accelerator board installed. Choices:
1. Send them the latest version of Above Board/Matched Memory Classic
software with the new SETBOARD program.
2. Put the Intel board in another 8088 system to run SETBOARD, or...
3. Remove the accelerator board and replace 8088 to run SETBOARD.
APPLIED REASONING'S PC ELEVATOR
Tested by Intel and found to have limited compatibility with Above
Boards and Matched Memory Classic. The PC Elevator board holds 1Mb of
RAM which emulates Expanded Memory. This RAM is incompatible with
Intel expanded memory provided by an Above Board or Matched Memory
Classic board.
Applied Reasoning was at one time working on a device driver which
would allow the board's memory to be used with Intel's EMS memory, but
as of this date we have no information if they ever managed to get that
to work. Requires an 80287-8 coprocessor.
AST
AST FLASHPAK
Tested and confirmed compatible with current Above Boards and Matched
Memory Classic. When enabling the cache on the Flashpak, the user
needs to be sure to NOT cache the region in reserved memory where EMM
creates the 64K page frame. Switches 7-10 on switch block #2 allow the
user to choose the "cached memory range" (pp A-5 to A-6 in the AST
Flashpak manual.)
AST HOTSHOT
*CUSTOMER REPORTS* of compatibility with Above Boards and Matched
Memory Classic. The device driver KDD.SYS, (or FDD.SYS), for changing
speeds will conflict with EMM.SYS. Try placing the KDD.SYS driver
before EMM.SYS in the CONFIG.SYS.
BREAKTHRU 286 TURBO (BY PCSG)
*CUSTOMER REPORTS* of compatibility with Above Boards and Matched
Memory Classic.
Tech Notes: Math co-processor socket is jumpered for either 5MHz or
8MHz co-processor. Customers report it uses the same I/O port address
as the Above Board PS/PC clock. Gives clock message 101. Send
customers the ABCLOCK software.
KAM & ASSOCIATES AT EXCELERATOR II
Currently we have no information on Above Board compatibility with this
accelerator.
══════════════════════════════════════════════════════════════════════════════
End of file Intel FaxBack # 1420 June 24,1992