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1992-11-12
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Disk Enhancer v1.0 Copyright 1992
Disk Enhancer is a utility that can speed up the operation of your
floppy diskette drives. This is accomplished by modifying values in the
Disk Base table, an 11 byte segment in low memory that is read directly
by the diskette controller. The diskette controller uses the Disk Table
to determine timing values (how the long the controller gives the drive's
motor to complete various tasks) for the diskette drives connected to it.
Disk Enhancer enhances diskette drives only -- it does not effect hard drive
parameters or performance in any way. Disk Enhancer is NOT A TSR, so it
does not use up memory. Just run Disk Enhancer every time you boot/reboot,
and the Disk Base table will be updated. The easiest way to accomplish
this is by calling Disk Enhancer from your AUTOEXEC.BAT. This program
resets the following values:
Motor Off delay- default: 2 seconds new: user specified
This is the amount of time the diskette drive motor stays on after
completing a diskette operation. The main feature of this program is
to allow you to specify up to a 14 second delay via a command line
parameter. Increasing the delay allows you to enter DOS commands
without having to wait for the diskette drive motor to spin up between
every command.
Head Settle time- default: 15 milliseconds new: 2 milliseconds
This is the amount of time the diskette controller waits for the head
to become stabilized after seeking to a different track.
Motor Startup time- default: 1 second new: 0.25 second
This is the amount of time the diskette controller waits for the
diskette drive motor to spin up.
Performance increases will depend on your machine, but might be up to
5 seconds on copy operations over 1MB. Also, older machines may not be
able to handle the faster speed settings. It is a good idea to insure
that disk operations operate normally before permanently using this program
on your PC. This can be accomplished by copying several text files to a
diskette, then verifying that the data was copied correctly by using a text
editor or the TYPE command. The responsibility of insuring that this program
works on your machine is completely yours, so use at your own risk!
To run Disk Enhancer type:
DISKENH <delay (in seconds)>
where delay is how long you want the diskette drive motor to stay on after
completing a diskette read/write. Valid values are 1 through 14 inclusive.
For example:
DISKENH 7
sets the delay to 7 seconds.
Disk Enhancer must be run every time you boot/reboot your PC.
This program is freeware and is for everyone's personal use. However,
this program may not be used commercially, to produce any tangible profit,
nor can it be packaged with any other products/software without my written
consent.
Lee Greer
Marietta, GA