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SMAX Product Info
SMAX is a TSR driver needed to access MAXI style extended capacity
disks on some systems.
While DOS versions 3.2x and later can automatically handle the
housekeeping required to access MAXI style extended capacity
disks, the BIOS and hardware on many systems will not. SMAX.COM
is a memory resident driver which is used to improve the
compatibility of MAXI extended capacity disks with some
combinations of hardware and DOS. It is not a true device driver
in the conventional sense of DOS terminology. Rather, it is a
simple TSR (terminate but stay resident) program which patches
into the BIOS disk interrupt vector (interrupt hex 13) and
changes the EOT (end of track, or last sector in a track)
parameter to match the increased value of the MAXI extended
capacity disks when it detects a disk read or write operation.
MAXIForm v1.8 or later, MAXI Disk v3.2 or later, and FreeForm
v2.3 or later will automatically configure SMAX for the type of
disk being formatted. SMAX will automatically configure itself
for the read/write operations to allow transparent access to all
DOS and MAXI formatted disks, regardless of density.
SMAX is included with all current releases of MAXIForm, MAXI Disk, and FreeForm.
You can download it here separately if someone gave you MAXI formatted
disks and you cannot read them on your system.
SMAX MAY BE FREELY COPIED AND DISTRIBUTED TO YOUR
FRIENDS FOR THEIR PRIVATE, NON-COMMERCIAL USE (SO THAT
THEY CAN READ FILES WHICH YOU MAY SEND THEM ON MAXI
FORMATTED DISKS) PROVIDED THAT THE COPYRIGHT NOTICE IS
NOT REMOVED. THIRD PARTY SOFTWARE DEVELOPERS OR VENDORS
WISHING TO INCLUDE SMAX WITH THEIR OWN COMMERCIAL
PRODUCTS REQUIRE THE PRIOR WRITTEN PERMISSION OF HERNE
DATA SYSTEMS ALONG WITH A RUNTIME DISTRIBUTION LICENSE.
SMAX can also be used to access Microsoft DMF and other extended
NOTE TO SOFTWARE PUBLISHERS and DISTRIBUTORS:
We also have an installer stub which can load and run your install program
direct from a MAXI style or DMF disk. This enables you to provide your
software on fewer disks without worrying if the user has the proper
drivers to read them. The MAXI Installer Stub is availble for a
one time charge of $50 US for unlimited use. Contact us for details.
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