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Jason Aller Floppy Collection
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TURBOEMS.ZIP
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README.1ST
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1988-08-12
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1. INSTALL Program Options:
Several options have been added to the Turbo EMS INSTALL program
which may be of interest:
/m - This option causes the INSTALL program displays to
be in black and white regardless of the display
adapter. This option should be used if a black
and white monitor is attached to a CGA.
Example:
C> INSTALL /m
/c - This option sends the INSTALL program immediately
to the "Configure Turbo EMS" screen. If you are
updating your configuration rather than installing
Turbo EMS, the use of this option is convenient.
Example:
C> INSTALL /c
In the "Configure Turbo EMS" portion of the Installation program,
if the Swap Medium is "Disk" rather than "Extended Memory", you
can now elect to have the swap file allocated in a directory other
than the root directory of the drive you choose. Optionally, you
can elect to give the swap file a name other than $EMS.SWP, but the
default is still a file named $EMS.SWP in the root directory of the
drive you specify. To change this default, move the light bar to
the option for specifying a Swap Disk Drive and press ENTER. To change
the default drive, simply backspace over the information you want to change
and type in the fully qualified filename you want in the form:
"drive:\path\filename"
If a filename is not specified and the path ends with a "\", the default
filename ($EMS.SWP) will automatically be used.
2. VEM.SYS - The device driver
The swap file is no longer marked as "Read Only" by Turbo EMS. This
change was made to provide full support for the DOS SHARE command.
If you manually change your swap file to "Read Only", Turbo EMS will change
it to "Read/Write" when it opens it.
Some minor changes were made to memory management to make Turbo
EMS more fully compatible with programs which use the memory aliasing
ability of the LIM 4.0 specification. Turbo EMS is still not able
to do complete memory alias support but will support many
applications that take advantage of this ability.
3. TEMS.EXE - The Command
Turbo EMS is now compatible with DOS 4.0, including support of
the DOS 4.0 "huge" disk partitions. You can now use the "Fast I/O"
option of Turbo EMS on a DOS 4.0 "huge" partition.
The Turbo EMS swap file can now be placed in any directory on
any drive and can be named with any vaild DOS file name, although the
default remains a file named $EMS.SWP in the root directory of the Swap
Disk Drive specified. The TEMS /d= option has been expanded to permit
specification of a complete path and file name. For example:
c>TEMS /d=c:\tems\swap.one
will invoke expanded memory and allocte the Turbo EMS swap file in the
"tems" directory of the C drive and name the swap file
"swap.one". Note that this feature is particularly useful
for networked user's of Turbo EMS who wish to place the swap
file on a networked drive, but are either unable to access the
root directory or are conflicting with others networked users
who also need access to the swap file in the root directory.
Notes:
1) Turbo EMS restricts the total number of characters in the
parameter section of the Device=VEM.SYS line in CONFIG.SYS
to 70 characters. With the ability to specify a path/filename
for the swap file it is possible to exceed this length.
If you must specify more than 70 characters you should
use the command line options of the TEMS command to specify
some (or all) of the parameters.
2) In DOS 4.0 the VDISK no longer allocates extended memory
from the low address (100000). Instead, VDISK allocates
available extended memory from the highest possible address
and sets the amount of extended memory available to be
the amount present less the amount used by VDISK. As a
result, the Turbo EMS Install program will not detect the
presence of a VDISK but will show the total amount of extended
memory present to be the total amount less the amount allocated
to VDISK. Thus if you are running a DOS 4.0 VDISK, you can let
Turbo EMS default its starting address in extended memory.
4. Microsoft Windows 2.x
Windows 2.x users should be aware of the use of Turbo EMS expanded
memory by Windows 2.x. While Windows 2.x recognizes the presence of Turbo
EMS expanded memory, it will not make use of this expanded memory if
either the page frame is within the 640K address space or you have allocated
less than 17 pages of expanded memory. Applications running
under Windows will still make use of the expanded memory provided
by Turbo EMS. If your page frame resides within the 640K address space,
you can set up Window's SmartDrive in part of your extended memory and use
the rest of your extended memory for Turbo EMS expanded memory.
Windows will then swap applications to and from SmartDrive while
programs running under Windows will use the Turbo EMS expanded memory.
Please consult your Windows User's Guide for instructions on setting up
and using SmartDrive as well as for any changes to the PIF section of your
WIN.INI file that might be necessary.
In order to place the page frame outside of the 640K address
space you must have at least 64K of RAM above the 640K address and
below the 1 MB address. The simplest way to have this memory is to purchase
a RYBS Hi-Card (or equivalent) and to specify a page frame address in
the Install/Configure Turbo EMS section. To do this, move the light bar
to the "Page Frame Align" option and press ENTER. Next, move the light bar
to the "User-Specified" parameter and press ENTER. At the prompt, enter
the starting address as a 4 character hexidecimal number (eg. C000).
Alternatively, you can use the /A=xxxx option on the TEMS command line.
When the page frame is moved to between 640 KB and 1 MB, Windows 2.x
will use the expanded memory and you will have additional conventional
memory for your applications.
Note that the Hi-Card memory can be used for applications
other than Turbo EMS. It is possible to locate TSR's,
device drivers (including VEM.SYS) and many network programs
in the address space between 640 KB and 1 MB.
5. Lotus 1-2-3 and Symphony
Symphony and 1-2-3 users who do repeated sorts will find that the time
needed for second and subsequent sorts can be drastically reduced if
the sorted file is saved to and restored from a temporary file prior to
the next sort. This has the effect of forcing "garbage collection" prior
to each sort.
6. Symantec Q & A
Users of Q & A version 3.0 should be aware that this application does disk
I/O from expanded memory. If you have configured Turbo EMS to use extended
memory, this will not be a problem. If you have configured Turbo EMS to use
a disk file to provide expanded memory, you should hide expanded memory
before invoking Q & A.
7. DOS 4.0
DOS 4.0 can make use of expanded memory for some of its internal uses such
as VDISK, BUFFERS, etc.. While Turbo EMS is compatible with DOS 4.0 and
applications running under DOS 4.0, Turbo EMS supplied expanded memory
should not be used for DOS 4.0 internal uses, nor should it be used if you
have installed the DOS 4.0 EMS device drivers XMAEM.SYS and/or XMA2EMS.SYS.