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MEMO1566.TXT
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1992-08-27
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╔═════════════════════════════════════════════════════════════════════════╗
║ ║
║ Above Board 2 and 2 Plus Problems: Part 2 ║
║ ║
╚═════════════════════════════════════════════════════════════════════════╝
LOTUS 123 & SYMPHONY KEYBOARD ERRORS
Earlier versions of the Above Board QUIKBUF program (versions earlier
than 2.1A), may cause random keyboard errors (such as characters
appearing in empty cells or shifting to capital letters) in 1-2-3 and
Symphony. If this happens, remove QUIKBUF from the AUTOEXEC.BAT file.
Then contact Intel's customer support BBS to get the current version of
QUIKBUF.
TROUBLESHOOTING - MEMORY CONFLICTS
The following two step process has cleared up most of the EMM
compatibility problems Intel has run across:
1. Add the EXPF=D000 parameter to the EMM line in the CONFIG.SYS file
to force EMM to use only the D000 64K-byte block of memory.
2. Examine your "view configuration" command for anything using
addresses in the D000 area. If something is using these addresses,
move it down into the C000 area.
DETECTING/LOCATING A BAD SIMM
If you receive a 164 memory size error or a 201 memory type error,
either the Above Board contains a bad SIMM or the Above Board itself is
bad. There are three ways to determine whether the board or a SIMM is
causing the problem:
1. MCATEST will test the SIMMs on all Intel Micro Channel boards;
Above Board MC, Above Board 2 Plus, Above Board MC32, and Above
Board 2. To check without MCATEST, see the two suggestions below
for only the Above Board 2 and 2 Plus.
2. The 164 or 201 error message lists the failing address as well as
the pattern of failing data bits. If you reverse the affected SIMM
pair and reboot the computer, you can compare the new pattern with
the previous one. If the pattern moved with SIMMs, the SIMM is
probably bad. If the pattern didn't move, the Above Board is
probably bad.
3. After receiving the 164 error, press the F1 key to allow EMM to
install. If EMM detects a bad SIMM, it will display a message
indicating Memory module number x on the board in slot x is
missing, misinstalled, or defective. If you reverse the affected
SIMM pair and repeat this process, you can see whether the
defective module number moved (indicating a bad SIMM) or stayed the
same (indicating a bad board).
If one of the Above Board's original SIMMs goes bad, Intel will replace
it. If a SIMM that Intel didn't supply goes bad, you should return it
to the place of purchase.
RD PARAMETER DOESN'T WORK
If you use the EXPF=D000 parameter, you can't use the RD (relocate
driver) parameter. When EMM loads, it will return a message indicating
that EMM can't relocate the driver. The computer will lose 16K bytes
of expanded memory and won't gain any conventional memory.
QUIKBUF PROBLEMS
QUIKBUF POP UP MENU & ABOVE BOARD 2
If you want to disable QUIKBUF's pop-up menu, remove the V from the
QUIKBUF command in the AUTOEXEC.BAT file and replace it with O (for
other). SOFTSET doesn't support this feature.
MORE THAN 16MB OF MEMORY IN AN 80386DX-BASED PS/2 COMPUTER
CAUTION! Some programs will not work correctly with more than 16MB of
memory in the computer. If you have more than 16MB in your computer,
follow these guidelines:
■ DISK CACHES: Don't use disk caches. Not only will your data get
corrupted, your hard disk format can get destroyed as well.
■ RAM DISKS: Don't make one larger than 15MB or your data can get
corrupted. DOS VDISK is one that will not work.
■ OTHER PROGRAMS: Ask the manufacturer if the program will run
correctly in a computer with more than 16MB of RAM. Some programs
may corrupt their own data files if used with memory above 16MB.
NOTE: The latest MC32 option diskette must be used when installing
two MC32's with 8MB each in the same system. This diskette
has the software part number 302477-001A. The memory on boards
installed using this diskette will be counted along with the
system memory during boot up.
PACKED FILE IS CORRUPT MESSAGE
This message can be displayed when you install two of the discontinued
Above Board 2's in the same computer at the same time. To avoid this
message, install one Above Board 2 at a time, allowing each to set up
their memory without conflicting with the other.
PARITY ERRORS - CHECK EXTENDED MEMORY START ADDRESS
If the extended memory start address isn't correctly specified
in the EMM.SYS command, a parity error can result. EMM 4.0
revision C requires the EXTF=xxxx parameter to specify the Above
Board extended memory start address. Earlier versions of EMM do not
require this parameter. SoftSet will determine this address for you,
but here's how to determine that address yourself:
POST + 384 = xxxx Extended memory start address
Some computers (such as the Model 70 and 55sx) use 128K bytes
for caching, so the count is only 896K bytes on a 1M-byte system
board. Here are some examples:
■ 1M-byte system board, no caching: 1024 + 384 = 1408
■ 1M-byte system board, 128K bytes cached: 896 + 384 = 1280
■ 2M-byte system board, no caching: 2048 + 384 = 2432
■ 1M-byte system board, 2M bytes on Above Board installed earlier:
1024 + 2048 + 384 = 3456
The Model 55SX and 70 computers map the EPROMs into RAM, so there is
128K bytes less extended memory available. Choosing the 70 setting in
older versions of SoftSet that don't have a model 55SX option will
provide the correct extended memory start address in a model 55SX.
Choosing 50 will create a 128K-byte gap, and accessing memory will
cause a parity error.
An older version of SoftSet (ver 1.2) had a bug; every time it's run it
will add the amount of memory on the Above Board to the existing
starting address and make a higher start address. Manually edit the
line to show the correct address.
SYS 1198 ERROR MESSAGE
This error can occur when the ILIM386.SYS command is in the CONFIG.SYS
file for OS\2. You must remove the iLIM386.SYS command. Both OS\2 and
ILIM386 are memory managers, and they can't co-exist in the same
computer.
ZERO WAIT STATES WITH ABOVE BOARD 2 AND 2 PLUS
To run the Above Board 2 or Above Board 2 Plus at 0 wait states in an
IBM model 50 or 60, you must use 100ns SIMMS, run SOFTSET and specify
the "disable" or "mappable conventional" feature. This disables the
system board memory which is slower than 150ns memory.
The IBM model 50z is designed to run only with 0 wait states and will
not benefit from this procedure.
MISSING OR WRONG DISK AND MANUALS
If you receive the wrong diskettes or manual with your Above Board, do
the following:
1. Note whether the Above Board box was unopened before you bought it.
2. Gather the following information:
a. Serial number of the Above Board
b. Date on outer label of Above Board box
c. Name and address of the dealer who sold the Above Board
d. List of missing items
3. Call Intel Customer Support
══════════════════════════════════════════════════════════════════════════════
End of file Intel FaxBack # 1566 August 27,1992