![](/images/new-backgrounds/1251997/25199733x1.webp)
3.4. Installing Options
Caution
Remove the power cord before operation to install the option.
Do not touch an inside parts within ten seconds after removing the power cord because you may receive an electric shock.
Do not forget to tighten the screw. If the screw is not tightened, it may cause short circuit or an error due to noise.
Three option boards can install in the slots.
Initialize the RAM data in accordance with section 9.4. Initializing Parameters.
| Page 15 |