Casio IT-2000D PDAs & Smartphones User Manual


 
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System Menu Boot Process
Pressing the RESET switch sets the drive C: as the current drive, and MS-DOS is loaded from
that drive. As a result, the System Menu that includes the maintenance program will be initiated
(refer to “System Menu Boot Process” on this page).
Resume Process
This process restores the conditions that existed before the power was most recently turned off.
Any application program that was running at that point in time can be continued.
The contents of the above listed processes will be described in the following sections.
Application Boot Process
The application boot process is used to initiate application programs that have been installed in the
system by the user. The main system will search for CONFIG.SYS and AUTOEXEC.BAT files
according to the priority given below.
The system assigns the first drive on which the files are found as the current drive, and boots MS-
DOS from the drive C. Consequently, if the CONFIG.SYS and AUTOEXEC.BAT files created by
the user are located on one drive, MS-DOS will be booted from the drive assigned as the current
drive. Under factory defaults it is apparent that the CONFIG.SYS and AUTOEXEC.BAT files
created by the user cannot be found. If this occurs, therefore, the CONFIG.SYS and
AUTOEXEC.BAT files located in the drive C: are selected and the System Menu will be initiated.
Priority of the drives:
If the F-ROM drive is provided
[Card drive (F:)] -> [RAM drive (A:)] -> [F-ROM drive (D:)] -> [Basic drive (C:)]
If the F-ROM drive is not provided
[Card drive (E:)] -> [RAM drive (A:)] -> [Basic drive (C:)]
Note:
The RAM disk (A:) is valid for use only if setup is made through the System Menu.
System Menu Boot Process
The System Menu boot process is used to initiate the System Menu, which is nothing but a
maintenance program for this terminal system. The System Menu boot process will be executed only
if the RESET switch at the rear of the main unit is pressed.
If, in addition, a power OFF factor is encountered during the execution of the System Menu, the next
boot process will be the Application boot process.