Herne Data Systems Ltd. - SMAX Product Info

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SMAX Product Info

Operating system - DOS 3.2 or later	Current version - 4.0b
Download - SMAX4.ZIP (15k bytes)	See also - MAXIForm... MAXI Disk... FreeForm... Disk format 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 capacity disks.

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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(This page last updated 2001-Dec-26.)

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