Preinstallation Procedure - Tandy 1200 HD User Manual

4.2 PREINSTALLATION PROCEDURE
In this section, you will find instructions on how to prepare your
system unit for the installation of options.
If you have just unpacked your computer (Section 1.3) and intend to
install options before setting up your system, go directly to step 10.
1. Obtain the DOS prompt for the drive that contains your
DOS programs.
2. In response to the DOS prompt,
Type:
s
Press:
(Keturn)
The following message will appear on your monitor
screen:
Remove power from the System Now!
3. Make sure the disk drive activity indicators are off
4. Remove any diskette that might be in the diskette drive.
5 . Turn the system unit power switch off.
6. Turn the monitor power switch off.
7. Turn all other system components off.
8. Disconnect the power cord from the system unit.
9. Disconnect all other cords and cables from the system
unit.
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