Contents of the READ.ME file
ALLEMM4.SYS Version 1.04d
Fixes from the previous release of ALLEMM4:
1) A problem with Function 21 sub function 1 (5401h)
Search For Named Handle has been fixed.
The ALLMENU program is a menu driven series of tools
that includes within it the following functions:
- EXAMEM (to examine logical memory use)
- XEXAMEM (to examine physical memory allocation)
- ALLEMM4 Information (EMS 4.0 type information)
- System Information (info about your computer)
- Drivers Installed (list of installed devices)
- Files Installed (list of installed DOS FILES)
- Buffers Installed (list of installed DOS BUFFERS)
- Lastdrive Information (list of the DOS drive tables)
- DOS Memory Blocks (list of the DOS memory allocation chain)
- Dump All Info (gathers all the above info in a text file
called ALLDMP.DAT for support purposes)
- Network and Misc. Information (displays configuration data
on various networks -- .DAT files)
Note: FILEMENU.EXE is used by the ALLMENU program.
Note: The manual refers to the EXAMEM and XEXAMEM programs
as independent utilities. These are now part of the
The ACCTEST program will test the ALL CHARGECARD.
To use ACCTEST, reboot your system with no CONFIG.SYS
or AUTOEXEC.BAT files, and then run the test program.
Example: ACCTEST 100 -- will test the card 100 times
Many users use a batch file to change their configuration
information and then want the system to reboot immediately
using a program which resets the computer by jumping to
the reboot sequence in the BIOS (at location FFFF:0000).
The problem is that the system will reset but the maps on the
ALL CHARGECARD remain enabled, thus causing a faulty restart.
The ACCRESET program will reset the ALL CHARGECARD first, and
then jump to the BIOS reset sequence.
ACCRESET.COM Source Listing
mov dx,33e0 ; call the ALL CHARGECARD port
mov al,00 ; with disable mapping sequence
out dx,al ; and turn mapping off
jmp ffff:0000 ; now jump to BIOS to reset
Since the ALL CHARGECARD maps memory a problem arises with
applications that transfer information directly through
the DMA (direct memory access) rather than through the
standard DOS interrupts. When mapping, logical memory is
no longer related to physical memory on a one-to-one
basis. Thus a direct DMA transfer may occur sending information
into a mapped region, and into oblivion. Tape back-up systems
are the most common occurance of this problem. Previously,
the only way to do a tape back-up would be to reboot your
computer without ALLEMM4 in the CONFIG.SYS file. The DMAFIX
program will allow you to use your tape back-up system without
having to reboot your system (ie. with ALLEMM4 still active).
Syntax: DMAFIX /SET -- before running the tape back-up
DMAFIX /RESET -- to restore mapping
Note: If you a running under DESQview DMAFIX will only
work in the first or primary partition, which must
be a DOS partition.
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