IBM SY27-0345-06 - Manual (Page 19)

Reset Button
The reset button, shown in Figure 1-14, works in this fashion:
If you press it, you will reload the operational code.
If you press it within 10 seconds of powering on, you will start the Extended
POST. See “Extended POST” on page 3-1 for more information.
Figure 1-14. Reset Button
The reset button is recessed to prevent accidental activation. Use a pen or pencil
to press it.
Inside Views
FRUs in the IBM 2210 12x Models
Figure 1-15. View without Cover (12x Models)
Chapter 1. Models, Indicators, and FRUs 1-5