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C1555M-F (10/05) 55

DOS ENVIRONMENT AND COMMAND REFERENCE

DOS stands for Disk Operating System. Every time you turn on the CM9700-CC1 or every time you reboot (Alt +Ctrl +Del), the computer loads DOS

from the CC1 disk into the memory (RAM). Once loaded DOS lets you run other programs, in particular, the CM9700.EXE program.

On factory-conﬁgured systems the autoexec.bat ﬁle is conﬁgured for one of the following scenarios:

• The boot process ends at the following system prompt (c:\9700>).

• The boot process loads and executes the CM9700.EXE program.

THE BOOT PROCESS

The following process occurs when the CC1 is turned on or is rebooted:

1. If turned OFF and then turned ON, the CC1 goes through a power-on self-test (POST). Here the computer essentially examines its electronic

components.

2. The computer looks at drive A for a DOS system disk. If one is not there, the CC1 will load DOS from its hard drive.

3. This process looks for two “hidden” system ﬁles: IO.SYS and MSDOS.SYS. If these ﬁles are not present, DOS displays the “Non-System

disk or disk error” message. (The CC1 also displays this error during the boot process if there is a ﬂoppy disk in the A drive that has no

system ﬁles).

4. If the “hidden” ﬁles are present, IO.SYS loads ﬁrst and executes. An initialization program called SYSINIT contained within IO.SYS reads in

the MSDOS.SYS ﬁle; SYSINIT next locates the CONFIG.SYS ﬁle and executes its ﬁles for it to conﬁgure itself in memory. Then, SYSINIT

locates and invokes COMMAND.COM. If SYSINIT cannot ﬁnd COMMAND.COM, DOS displays the “Bad or missing Command Interpreter“

error message.

5. If SYSINIT ﬁnds and loads COMMAND.COM, it, in turn, searches your root directory for the AUTOEXEC.BAT ﬁle. If it exits,

COMMAND.COM will cause the AUTOEXEC.BAT ﬁle to execute. If AUTOEXEC.BAT does not exist, the DATE and TIME commands are

invoked by COMMAND.COM. After entering date and time information, the basic system prompt (C:>) appears. This completes the startup

or boot process.

You cannot separate the boot process from CC1 initialization. The DOS boot process must succeed before the CM9700.EXE program can run. The

result of the DOS initialization process is that you either have a system prompt on a DOS screen or, as part of the boot process, the CM9700.EXE

program has been invoked. In the latter case, the System window of the diagnostic screen displays “Setup Complete…” if everything initialized

OK; otherwise, an applicable error message appears.

AUTOEXEC.BAT AND THE BOOT PROCESS

The AUTOEXEC.BAT ﬁle is the last ﬁle called during the boot process. For CC1s conﬁgured as part of a system node at the factory, the end result

of this process is the appearance of the CM9700 diagnostic screen on the attached VGA monitor.

The factory-conﬁgured boot process occurs because of the instructions added to the AUTOEXEC.BAT ﬁle. The AUTOEXEC.BAT ﬁle is a batch ﬁle,

which contains a series of instructions that are executed serially when the ﬁle is called.

Invoking the CM9700 Executable

The following commands are the last two in the AUTOEXEC.BAT ﬁle:

CD9700 This command directs DOS to the 9700 directory where the 9700 executable resides.

CM9700 Node1 This command starts the executable (CM9700) and directs the program to load into memory all conﬁguration ﬁles having the

collective preﬁx name of “Node1” (also located in the same directory).

The program continues to conﬁgure the system environment and goes on line. If everything is functioning properly, the “Setup Complete”

message appears on the CM9700 diagnostic System Window on the attached VGA monitor.

If you change the name (the preﬁx) of your current ﬂat ﬁles or copy a new set of conﬁguration ﬁles (with a different name) to the 9700 directory,

then you must change the AUTOEXEC.BAT ﬁle to correspond.

NOTE: Since COMMAND.COM is not a hidden ﬁle, it is possible that it could accidentally be moved, corrupted or erased. If this occurs, you

may need to start DOS from a ﬂoppy disk and COPY COMMAND.COM into the CC1s root directory.

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